Re: Exposure techniques

2020-03-13 Thread John
We did something similar to that in school. Shooting film (medium format T-Max 100). Set up a plain white foam ball. Had to have shots with it black on one side, white on the other (without blowing the highlights); shots with it grey on one side; shots with a hard transition, shots with a soft

Re: Exposure techniques

2020-03-13 Thread John
On 3/12/2020 12:49:01, l...@red4est.com wrote: On March 12, 2020 9:12:31 AM PDT, John wrote: If you need an exact exposure, use a hand held meter. Most of the time it's not critical. I agree, most of the time it's not critical, but when it is, why carry around a single meter when I have

Re: Exposure techniques

2020-03-13 Thread Boris Liberman
Well, here is my two centavos. To begin with, my camera, being mirrorless has live histogram feature. It is necessary to look up on the internet the specific settings for the JPEG engine, because as I gather, the histogram is based on what JPEG engine computes and not on what the sensor sees. Yet,

Re: Exposure techniques

2020-03-13 Thread Larry Colen
> On Mar 13, 2020, at 12:00 AM, Paul Stenquist wrote: > > I haven’t wasted time doing this, but I know from a half century of > experience that by the time I had rendered all they would be identical. I’d say that most of the time the final result would be the same. I know that uncorrected sh

Re: Exposure techniques

2020-03-13 Thread Paul Stenquist
I haven’t wasted time doing this, but I know from a half century of experience that by the time I had rendered all they would be identical. Paul > On Mar 12, 2020, at 11:24 PM, Larry Colen wrote: > > I’m very curious if anyone has done any side by side tests. Set up a scene, > set the expos

Re: Exposure techniques

2020-03-12 Thread Larry Colen
I’m very curious if anyone has done any side by side tests. Set up a scene, set the exposure on pure automatic, then by hand held meter, then by the histogram, and see how the results vary. It would also be interesting to see the final product of those different exposures. A proper test would

Re: Exposure techniques

2020-03-12 Thread Mark Roberts
Larry Colen wrote: >I’m curious how people go about setting and checking exposure. >My early pentax DSLRs were really bad at metering, so I just >got in the habit of always checking the histogram. I check the histogram, expose to the right but avoid any white clipping, and underexpose if there'

Re: Exposure techniques

2020-03-12 Thread Ralf R Radermacher
Am 12.03.20 um 19:26 schrieb Paul Stenquist: I’ve had several very accurate and expensive handheld meters. The meter in my k1 is every bit as good. The only real advantage of handheld is in situations where an incident meter is best, such as a backlit scene. Exactly. I still have a Lunasix wi

Re: Exposure techniques

2020-03-12 Thread Paul Stenquist
I’ve had several very accurate and expensive handheld meters. The meter in my k1 is every bit as good. The only real advantage of handheld is in situations where an incident meter is best, such as a backlit scene. However, Drawing On experience it’s pretty easy to estimate the exposure comp need

Re: Exposure techniques

2020-03-12 Thread Paul Sorenson
Because it's still the most accurate...and it doesn't have 36 million built-in variables. ;-) -p On 3/12/2020 11:49 AM, l...@red4est.com wrote: On March 12, 2020 9:12:31 AM PDT, John wrote: On 3/11/2020 09:32:03, Dale H. Cook wrote: On 3/11/2020 5:54 AM, Alan C wrote: Everything you say

Re: Exposure techniques

2020-03-12 Thread Bill
On 3/12/2020 11:18 AM, Paul Stenquist wrote: You can get a 2 terabyte skinny drive from Amazon for $60. That, at least, makes sense. Online storage for anything more than casual retrieval makes no sense. My phone uploads images to a cloud storage, but I'm not taking much of anything I want to

Re: Exposure techniques

2020-03-12 Thread Paul Stenquist
You can get a 2 terabyte skinny drive from Amazon for $60. > On Mar 12, 2020, at 1:13 PM, Bill wrote: > > On 3/12/2020 10:17 AM, John wrote: >> Storage is down to about $25/terabyte IN CALIFORNIA ... it's not that cheap >> and it's not that easy to get in some other parts of the world > > Onli

Re: Exposure techniques

2020-03-12 Thread Bill
On 3/12/2020 10:17 AM, John wrote: Storage is down to about $25/terabyte IN CALIFORNIA ... it's not that cheap and it's not that easy to get in some other parts of the world Online storage also depends on someone else keeping things safe for you. Hello Megaupload. Ask their subscribers how they

Re: Exposure techniques

2020-03-12 Thread lrc
On March 12, 2020 9:12:31 AM PDT, John wrote: >On 3/11/2020 09:32:03, Dale H. Cook wrote: >> On 3/11/2020 5:54 AM, Alan C wrote: >> >>> Everything you say is probably quite true but I find it is easy >enough to do >>> any corrections at the PP stage so I don't get too carried away with >the

Re: Exposure techniques

2020-03-12 Thread Ralf R Radermacher
Am 12.03.20 um 17:17 schrieb John: Storage is down to about $25/terabyte IN CALIFORNIA ... And that's not counting additional media for backups. So, it's at least twice this amount or rather three times to stay on the safe side. Ralf -- Ralf R. Radermacher - Köln/Cologne, Germany Blog : ht

Re: Exposure techniques

2020-03-12 Thread John
On 3/11/2020 21:29:19, Larry Colen wrote: On Mar 11, 2020, at 4:10 PM, wrote: It's not the cost of storage, it's the amount of time spent in reviewing multiple images! Part of that is a workflow question. I’ve developed a “successive approximations” workflow that helps me quickly weed dow

Re: Exposure techniques

2020-03-12 Thread John
Storage is down to about $25/terabyte IN CALIFORNIA ... it's not that cheap and it's not that easy to get in some other parts of the world "Get it right in camera" still takes the least storage and is the easiest way to deal with images in post processing. Why rely on being able to "rescue" a

Re: Exposure techniques

2020-03-12 Thread John
On 3/11/2020 09:32:03, Dale H. Cook wrote: On 3/11/2020 5:54 AM, Alan C wrote: Everything you say is probably quite true but I find it is easy enough to do any corrections at the PP stage so I don't get too carried away with the technicalities. PP cannot correct clipping - once data is clipp

Re: Exposure techniques

2020-03-11 Thread Larry Colen
and not too terribly much even for five frames, it’d be nice to be able to bracket 2,3 or 5 frames with 0ev, just to get a set burst. > > > John in Brisbane > > > > -Original Message- > From: PDML On Behalf Of l...@red4est.com > Sent: Thursday, 12 March 2

RE: Exposure techniques

2020-03-11 Thread jcoyle
iginal Message- From: PDML On Behalf Of l...@red4est.com Sent: Thursday, 12 March 2020 3:16 AM To: Pentax-Discuss Mail List Subject: Re: Exposure techniques Storage is down to about $25 per terabyte, storage isn't much of a problem On March 11, 2020 10:01:51 AM PDT, Alan C wrote: >

Re: Exposure techniques

2020-03-11 Thread lrc
Storage is down to about $25 per terabyte, storage isn't much of a problem On March 11, 2020 10:01:51 AM PDT, Alan C wrote: >If you shoot RAW, much more tonal data is preserved. Nothing is >clipped. >Incorrectly exposed images can usually be brought up in PP.  In fact >you >do edit the unwanted

Re: Exposure techniques

2020-03-11 Thread Alan C
If you shoot RAW, much more tonal data is preserved. Nothing is clipped. Incorrectly exposed images can usually be brought up in PP.  In fact you do edit the unwanted images on the camera. If you shoot RAW, there is only one image to edit, albeit on the computer. I agree that if you discard the

Re: Exposure techniques

2020-03-11 Thread David J Brooks
On Mon, Mar 9, 2020 at 11:40 AM Larry Colen wrote: > I’m curious how people go about setting and checking exposure. > I check my histogram after everyshot. Even when i did equestrian events i would go back and check if i took 3-4 shots in a row. I would adjust if needed. My K-5 is the best Penta

Re: Exposure techniques

2020-03-11 Thread Dale H. Cook
On 3/11/2020 5:54 AM, Alan C wrote: Everything you say is probably quite true but I find it is easy enough to do any corrections at the PP stage so I don't get too carried away with the technicalities. PP cannot correct clipping - once data is clipped it is gone. Bracketing everything is a s

Re: Exposure techniques

2020-03-11 Thread Paul Stenquist
Agreed. Altering exposure in RAW conversion Is a simple matter. Excessive fiddling is a waste of time. Paul > On Mar 11, 2020, at 5:55 AM, Alan C wrote: > > Everything you say is probably quite true but I find it is easy enough to do > any corrections at the PP stage so I don't get too carri

Re: Exposure techniques

2020-03-11 Thread Alan C
Everything you say is probably quite true but I find it is easy enough to do any corrections at the PP stage so I don't get too carried away with the technicalities. Bracketing everything is a solution but it must shorten the life of the camera & triples the editing process, not to mention the

Re: Exposure techniques

2020-03-10 Thread Dale H. Cook
On 3/9/2020 11:39 AM, Larry Colen wrote: I’m curious how people go about setting and checking exposure. Off-list a few months ago Larry gave me some very useful suggestions on optimizing exposure with my K-70. I now run the camera in automatic bracketing mode (+/- 1 and 2 stops) and look at

Re: Exposure techniques

2020-03-10 Thread Godfrey DiGiorgi
Proper exposure differs based on scene, intent, specific camera/sensor capabilities, and is affected by the metering calibration of whatever measurement device you're using. For example: Most flowers and a lot of foliage reflect high in the IR range, that's what insects see, and many digital sen

Re: Exposure techniques

2020-03-10 Thread Daniel J. Matyola
My typical correction for "NOT flowers" is about the same, and blows out flowers. What is your typical correction for flowers? Dan Matyola *https://tinyurl.com/DJM-Pentax-Gallery * On Tue, Mar 10, 2020 at 10:42 AM Godfrey DiGiorgi wrote: > Proper exposu

Re: Exposure techniques

2020-03-09 Thread Ken Waller
By using the in-camera R G B histogram you can monitor the highlights in those channels and adjust exposure to prevent blown out highlights in those channels. Also shooting in RAW and biasing exposure slightly toward under exposure you can perfect exposure in post processing. -Original Mes

Re: Exposure techniques

2020-03-09 Thread d...@dougbrewerphoto.com
The proper answer, of course, is “it depends.” Pentax dslr metering is too hot to my taste, so in general walking around use I set -1/3 exp comp and go from there. My preferred setup for candid work is Av, with one dial controlling aperture and the other exp comp, so the baseline -1/3 gets me i

Re: Exposure techniques

2020-03-09 Thread Bulent Celasun
I am aware of the problem of red channel data clipping even while the camera histogram looks fine. All the digital cameras (non-DSLR Canons, Panasonics, Ricohs) I used had this "feature". It usually matters little IF the red (especially dark red) is the subject. So while shooting a red-rich flower

Re: Exposure techniques

2020-03-09 Thread John
Most of the time eyeballing the histogram to make sure it's not climbing the walls on either end is good enough, even with the *ist-D. In difficult metering situations I'll pull out a hand-held incident meter & include a old Macbeth ColorChecker in the first frame of the lighting setup. Chang

Re: Exposure techniques

2020-03-09 Thread Paul Sorenson
Being an old curmudgeon, if I want the most accuracy with the fewest frames shot, and if light and action are not rapidly changing, I fall back to manual exposure and an incident light meter.  That pretty much overcomes the problem with blown highlights and/or over saturated color channels. -

Re: Exposure techniques

2020-03-09 Thread Stanley Halpin
I have a three stage strategy, depending on how quickly a scene is likely to vanish (e.g., a street scene just happens, no time to think…) or how quickly the light is changing. Stage 1a: let the camera do the work. It does quite well in most situations. 1b: depending on lighting situatio

Re: Exposure techniques

2020-03-09 Thread Paul Stenquist
It depends on the scene The K-1 meter does fine on neutral or dark frames. With an abundance of white, such as white sky dominating the frame, I’ll dial in -1 to -1.5 stops of exposure comp. As you say, dynamic range is good enough that one doesn’t have to nail the exposure, and correcting it i

Re: Exposure compensation

2017-01-26 Thread Steve Cottrell
On 26/1/17, Eric Weir, discombobulated, unleashed: >While I'm At It. You just made that up ;-) -- Cheers, Cotty ___/\__Broadcast, Corporate, || (O) |Web Video Production -- _ -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.n

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 1:52 PM, Steve Cottrell wrote: > > On 26/1/17, Larry Colen, discombobulated, unleashed: > >> What I ask is? > > GSH > > (Good Spot Hippy) Nope. -- Eric Weir Decatur, GA USA eew...@

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 12:37 PM, Larry Colen wrote: > > On January 26, 2017 9:15:53 AM PST, Steve Cottrell wrote: >> On 26/1/17, Eric Weir, discombobulated, unleashed: >> >>> WIAI, a question for you and Godfrey: What's "chimping"? Taking a >> shot, >>> checking the results, adjusting and takin

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 12:15 PM, Steve Cottrell wrote: > > On 26/1/17, Eric Weir, discombobulated, unleashed: > >> WIAI, a question for you and Godfrey: What's "chimping"? Taking a shot, >> checking the results, adjusting and taking it again? > > I've seen lots of internet acronyms but not that

Re: Exposure compensation

2017-01-26 Thread Steve Cottrell
On 26/1/17, Larry Colen, discombobulated, unleashed: >What I ask is? GSH (Good Spot Hippy) -- Cheers, Cotty ___/\__Broadcast, Corporate, || (O) |Web Video Production -- _ -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/

Re: Exposure compensation

2017-01-26 Thread Larry Colen
What I ask is? On January 26, 2017 9:15:53 AM PST, Steve Cottrell wrote: >On 26/1/17, Eric Weir, discombobulated, unleashed: > >>WIAI, a question for you and Godfrey: What's "chimping"? Taking a >shot, >>checking the results, adjusting and taking it again? Yes, people looking at the display and

Re: Exposure compensation

2017-01-26 Thread Steve Cottrell
On 26/1/17, Eric Weir, discombobulated, unleashed: >WIAI, a question for you and Godfrey: What's "chimping"? Taking a shot, >checking the results, adjusting and taking it again? I've seen lots of internet acronyms but not that one. h!! -- Cheers,

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 11:52 AM, Larry Colen wrote: > > Yup, theory and practice. In practice, Lightroom is only good for > compensating by a few stops. With the K100 and K20, when shooting in low > light I was ruled by the histogram, with the K-5,3,1 it guides me. I know > that I can give a

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 11:50 AM, Godfrey DiGiorgi wrote: > > It's not the ability to focus you lose, it's the ability to easily check > focus on the camera LCD or EVF in the field—the image display of a several > stops underexposed JPEG is too difficult to see fine detail in most of the > time

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 11:29 AM, Gonz wrote: > > Not quite accurate, but close. There is still an amplifier there. > Just multiplying the digital values you get will result in > posterization at the shadow end, its math. You can't create > information out of nothing. If you only have 2 bits of

Re: Exposure compensation

2017-01-26 Thread Larry Colen
Gonz wrote: Not quite accurate, but close. There is still an amplifier there. Just multiplying the digital values you get will result in posterization at the shadow end, its math. You can't create information out of nothing. If you only have 2 bits of information (4 values), then the digitiza

Re: Exposure compensation

2017-01-26 Thread Godfrey DiGiorgi
> On Jan 26, 2017, at 7:43 AM, Eric Weir wrote: > > Thanks, Godfrey. I notice the disadvantage you mention in the other > post—possibly losing ability to focus accurately. Can autofocus be trusted in > such situations? It's not the ability to focus you lose, it's the ability to easily check fo

Re: Exposure compensation

2017-01-26 Thread Gonz
Not quite accurate, but close. There is still an amplifier there. Just multiplying the digital values you get will result in posterization at the shadow end, its math. You can't create information out of nothing. If you only have 2 bits of information (4 values), then the digitization can only re

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 10:36 AM, Godfrey DiGiorgi wrote: > >> Thanks, Mark. That helps. >> >> It also raises something else I’ve been wondering about. Can I set ISO to a >> low value, use whatever aperture and shutting settings I want for depth of >> field and capturing motion, not bother abou

Re: Exposure compensation

2017-01-26 Thread Godfrey DiGiorgi
> Thanks, Mark. That helps. > > It also raises something else I’ve been wondering about. Can I set ISO to a > low value, use whatever aperture and shutting settings I want for depth of > field and capturing motion, not bother about underexposure, adjust exposure > in post processing, and retain

Re: Exposure compensation

2017-01-26 Thread Godfrey DiGiorgi
> On Jan 26, 2017, at 7:19 AM, Mark Roberts wrote: > > Eric Weir wrote: > >> There are things that were said, though, that I did not hear. That is, >> didn’t understand. >> And probably am not going to understand when you explain it to me. What’s an >> “ISO invariant” camera? > > In the ear

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 10:19 AM, Mark Roberts wrote: > > In the early days of digital it was standard practice to apply some > amplification to the signal from the sensor prior to analog-to-digital > conversion. This was how one increased the ISO setting. It's still > used in some sensors today b

Re: Exposure compensation

2017-01-26 Thread Mark Roberts
Eric Weir wrote: >There are things that were said, though, that I did not hear. That is, didn’t >understand. >And probably am not going to understand when you explain it to me. What’s an >“ISO invariant” camera? In the early days of digital it was standard practice to apply some amplification

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 26, 2017, at 8:15 AM, Eric Weir wrote: > > Pos That shoulda been “Zos”. (And now I see that spell-check did it.) -- Eric Weir Decatur, GA USA eew...@bellsouth.net “...we are a form of invitation

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 25, 2017, at 7:08 PM, Rick Womer wrote: > > If you're in Program mode, the exposure compensation adjustment (the > +/- button + the rear dial on the K-5) moves the exposure the desired > number of stops up or down the program line; i.e. generally adjusts > both shutter and aperture and

Re: Exposure compensation

2017-01-26 Thread Eric Weir
> On Jan 24, 2017, at 1:07 PM, Bruce Walker wrote: > > I never bother thinking about ETTR at all, ever. I just adjust > the exposure in post if I see fit. I’m glad to hear this. -- Eric Weir Decatur, GA U

Re: Exposure compensation

2017-01-25 Thread Rick Womer
Eric, here's a concrete answer from my concrete little brain: If you're in Program mode, the exposure compensation adjustment (the +/- button + the rear dial on the K-5) moves the exposure the desired number of stops up or down the program line; i.e. generally adjusts both shutter and aperture and

Re: Exposure compensation: don't optimize for the wrong thing

2017-01-25 Thread Larry Colen
Ken Waller wrote: I've found on my K-3, K20d and K10, in some cases, the individual channels - R, G, B need to be reviewed separately on the in camera histogram to prevent blow out of details in that specific channel, especially R. Exactly. I learned that early on when photographing flowers.

Re: Exposure compensation

2017-01-25 Thread P. J. Alling
Didn't I say that, possibly poorly? On 1/25/2017 12:48 PM, Zos Xavius wrote: Actually EV compensation affects manual mode by changing how the meter reads out. So putting settings that "match the needle" in will reflect your compensation amount. Also the green button will reset to the program li

Re: Exposure compensation

2017-01-25 Thread Ken Waller
ginal Message - From: "P. J. Alling" Subject: Re: Exposure compensation On Pentax cameras, at least, the histogram is being generated from the embedded, or generated, in the case of live view, jpeg. So you can afford and might even want some clipping of highlights if you'r

Re: Exposure compensation

2017-01-25 Thread P. J. Alling
On Pentax cameras, at least, the histogram is being generated from the embedded, or generated, in the case of live view, jpeg. So you can afford and might even want some clipping of highlights if you're shooting raw. How much would depend on the jpeg camera settings since those directly effect

Re: Exposure compensation

2017-01-25 Thread Zos Xavius
Actually EV compensation affects manual mode by changing how the meter reads out. So putting settings that "match the needle" in will reflect your compensation amount. Also the green button will reset to the program line with compensation if it is engaged. On Tue, Jan 24, 2017 at 9:53 AM, Steve Co

Re: Exposure compensation

2017-01-25 Thread John
On 1/24/2017 3:31 PM, Larry Colen wrote: Bruce Walker wrote: On Tue, Jan 24, 2017 at 11:56 AM, Larry Colen wrote: Also, there are different exposure methodologies. [...] If you're shooting raw, then you generally want to "expose to the right", in order to preserve the highlights, Come aga

Re: Exposure compensation

2017-01-24 Thread Larry Colen
Steve Cottrell wrote: On 24/1/17, Larry Colen, discombobulated, unleashed: Also, there are different exposure methodologies. If you are shooting to JPEG, then you want to expose for the final image, and if you lose all detail in the highlights or the shadows, well there's only so much you ca

Re: Exposure compensation

2017-01-24 Thread Steve Cottrell
On 24/1/17, Larry Colen, discombobulated, unleashed: >Also, there are different exposure methodologies. If you are shooting >to JPEG, then you want to expose for the final image, and if you lose >all detail in the highlights or the shadows, well there's only so much >you can fit into 8 bits.

Re: Exposure compensation

2017-01-24 Thread Larry Colen
Bruce Walker wrote: On Tue, Jan 24, 2017 at 11:56 AM, Larry Colen wrote: Also, there are different exposure methodologies. [...] If you're shooting raw, then you generally want to "expose to the right", in order to preserve the highlights, Come again? ETTR actually endangers highlights. It

Re: Exposure compensation

2017-01-24 Thread Bruce Walker
On Tue, Jan 24, 2017 at 11:56 AM, Larry Colen wrote: > > Also, there are different exposure methodologies. [...] > If you're shooting raw, then you generally want to "expose > to the right", in order to preserve the highlights, Come again? ETTR actually endangers highlights. It's the shadows tha

Re: Exposure compensation

2017-01-24 Thread Larry Colen
Steve Cottrell wrote: On 24/1/17, Eric Weir, discombobulated, unleashed: I've been puzzled by this. How does it work? There are only three variables--sensitivity, aperture, shutter speed. Doesn't it have to adjust one of those? Then what's with a separate function? If you use your camera on

Re: Exposure compensation

2017-01-24 Thread Steve Cottrell
On 24/1/17, Eric Weir, discombobulated, unleashed: >I've been puzzled by this. How does it work? There are only three >variables--sensitivity, aperture, shutter speed. Doesn't it have to >adjust one of those? Then what's with a separate function? If you use your camera on fully manual settings (I

Re: Exposure compensation

2017-01-24 Thread P. J. Alling
Exposure compensation effects everything while it's on. So if you're getting consistently over or under exposed shots using the cameras suggested settings or if you're in one of the automatic modes, you can dial in the compensation. I've noticed that the K-5II and K20D consistently under expo

Re: Exposure Choices

2016-05-21 Thread John
Maybe, maybe not. I'd have to go into the other room and open Photoshop to find out for sure. I remember (pretty sure I remember) that in a PS Contrast adjustment layer there are two sliders - Contrast & Brightness. AFAIK, Gamma is a slider in a different kind of adjustment layer. On 5/20/2016

Re: Exposure Choices

2016-05-21 Thread Jack Davis
Imagine you find it useful & a comforting option. J - Original Message - From: "Godfrey DiGiorgi" To: "PDML" Sent: Saturday, May 21, 2016 8:05:29 AM Subject: Re: Exposure Choices It was a misnomer … LR supports adjusting the overall exposure in the range of

Re: Exposure Choices

2016-05-21 Thread Godfrey DiGiorgi
It was a misnomer … LR supports adjusting the overall exposure in the range of +/- 5 EV total. That means that if you have a 'ISO-less' sensor, in other words, a sensor where the ISO settings on the camera are implemented by just biasing the captured data by an EV offset. For example, if the n

Re: Exposure Choices

2016-05-21 Thread Mark Roberts
Larry Colen wrote: >John wrote: >> I *think* "exposure compensation" in LR is the same as "exposure" in PS. >> >> "Brightness" in PS seems to be something different, affecting contrast. > >Could brightness be something like gamma? It depends on which version of Photoshop you're using. It's gamma

Re: Exposure Choices

2016-05-20 Thread Jack Davis
I simply noted a reference to LR "exposure compensation" and it set me to wondering what it might uniquely offer. Thanks all who responded! J - Original Message - From: "Godfrey DiGiorgi" To: "PDML" Sent: Friday, May 20, 2016 6:26:41 PM Subject: Re: Ex

Re: Exposure Choices

2016-05-20 Thread Paul Stenquist
Could brightness be something like brightness? Paul via phone > On May 20, 2016, at 9:04 PM, Larry Colen wrote: > > > > John wrote: >> I *think* "exposure compensation" in LR is the same as "exposure" in PS. >> >> "Brightness" in PS seems to be something different, affecting contrast. > >

Re: Exposure Choices

2016-05-20 Thread Godfrey DiGiorgi
I don't see an "exposure compensation" control in Lightroom. Only exposure. No matter: it's a bias-offset adjustment for all values in the image and does what the exposure compensation adjustment on your camera does: raises the values by the same offset across the board. Brightness in PS does

Re: Exposure Choices

2016-05-20 Thread Larry Colen
John wrote: I *think* "exposure compensation" in LR is the same as "exposure" in PS. "Brightness" in PS seems to be something different, affecting contrast. Could brightness be something like gamma? On 5/19/2016 11:26 AM, Jack Davis wrote: Is result in applying "exposure compensation"

Re: Exposure Choices

2016-05-19 Thread Jack Davis
Thanks, John! Much appreciated. J - Original Message - From: "John" To: "Pentax-Discuss Mail List" Sent: Thursday, May 19, 2016 11:14:20 AM Subject: Re: Exposure Choices I *think* "exposure compensation" in LR is the same as "exposure" in PS.

Re: Exposure Choices

2016-05-19 Thread John
I *think* "exposure compensation" in LR is the same as "exposure" in PS. "Brightness" in PS seems to be something different, affecting contrast. On 5/19/2016 11:26 AM, Jack Davis wrote: Is result in applying "exposure compensation" in LR significantly different than applying an increase in ei

Re: Exposure mystery

2016-04-25 Thread Larry Colen
Rick Womer wrote: Some might think Larry is over exposed ! ;-)<< He certainly would be if Bruce W ever shot his portrait. Why not, everyone else is asking photographers to work for exposure. -- Larry Colen l...@red4est.com (postbox on min4est) http://red4est.com/lrc -- PDML Pentax-Disc

Re: Exposure mystery

2016-04-25 Thread Larry Colen
Steve Cottrell wrote: http://i2.mirror.co.uk/incoming/article2051183.ece/ALTERNATES/s1227b/ PEOPLE-ONLY-Michael-OBrien.jpg Are you volunteering to be the one holding it? Any culinary references are left as an exercise for the student. -- Larry Colen l...@red4est.com (postbox on min4est) ht

Re: Exposure mystery

2016-04-25 Thread Jack Davis
That exposure is a mystery? J Sent from my iPhone > On Apr 25, 2016, at 9:34 AM, Steve Cottrell wrote: > > On 25/4/16, Bruce Walker, discombobulated, unleashed: > >> I'd make him wear a hat. > > > Like this > > > PEO

Re: Exposure mystery

2016-04-25 Thread Bruce Walker
On Mon, Apr 25, 2016 at 12:16 PM, Ken Waller wrote: > >> On Mon, Apr 25, 2016 at 10:46 AM, Bruce Walker >> wrote: >>> >>> On Mon, Apr 25, 2016 at 10:36 AM, Rick Womer >>> wrote: >> >> Some might think Larry is over exposed ! ;-) << He certainly would be if Bruce W ever shot his

Re: Exposure mystery

2016-04-25 Thread Steve Cottrell
On 25/4/16, Bruce Walker, discombobulated, unleashed: >I'd make him wear a hat. Like this -- Cheers, Cotty ___/\__Broadcast, Corporate, || (O) |Web Video Production ---

Re: Exposure mystery

2016-04-25 Thread Ken Waller
Kenneth Waller http://www.pentaxphotogallery.com/kennethwaller - Original Message - From: "Zos Xavius" Subject: Re: Exposure mystery i can't believe i missed that joke. not enough coffee yet. please accept my apologies. it finally hit me lol. On Mon, Apr 25, 2

Re: Exposure mystery

2016-04-25 Thread Zos Xavius
i can't believe i missed that joke. not enough coffee yet. please accept my apologies. it finally hit me lol. On Mon, Apr 25, 2016 at 10:46 AM, Bruce Walker wrote: > On Mon, Apr 25, 2016 at 10:36 AM, Rick Womer wrote: Some might think Larry is over exposed ! ;-) << >> >> He certainly would b

Re: Exposure mystery

2016-04-25 Thread Bruce Walker
On Mon, Apr 25, 2016 at 10:36 AM, Rick Womer wrote: >>>Some might think Larry is over exposed ! ;-) << > > He certainly would be if Bruce W ever shot his portrait. I'd make him wear a hat. -- -bmw -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to

Re: Exposure mystery

2016-04-25 Thread Rick Womer
- >>From: Steve Cottrell >>Sent: Apr 24, 2016 1:08 PM >>To: pentax list >>Subject: Re: Exposure mystery >> >>On 24/4/16, David J Brooks, discombobulated, unleashed: >> >>>I have Larry on all of my Dslr's and sometimes on my new X30 >> >&

Re: Exposure mystery

2016-04-25 Thread Steve Cottrell
On 25/4/16, mike wilson, discombobulated, unleashed: >> >But as to the actual question ... seems to me I had something like that >> >happen - though my feeble memory is saying it was only when I was using >> >flash fill >> >> Ahhh - a flash fill Larry. I think Wheatfield Willie will know, so gi

Re: Exposure mystery

2016-04-24 Thread Mark Stringer
Is there a "best practices" on initial settings? I saw a youtube video and some settings were done to eliminate random unsharp photos. Nothing about random exposure problems. If anyone knows of such and article or other videos I'd like to review them as the K3II is still somewhat new to me.

Re: Exposure mystery

2016-04-24 Thread mike wilson
> On 24 April 2016 at 23:26 Steve Cottrell wrote: > > > On 24/4/16, ann sanfedele, discombobulated, unleashed: > > >But as to the actual question ... seems to me I had something like that > >happen - though my feeble memory is saying it was only when I was using > >flash fill > > Ahhh - a fl

Re: Exposure mystery

2016-04-24 Thread Steve Cottrell
On 24/4/16, ann sanfedele, discombobulated, unleashed: >But as to the actual question ... seems to me I had something like that >happen - though my feeble memory is saying it was only when I was using >flash fill Ahhh - a flash fill Larry. I think Wheatfield Willie will know, so give him a MARK

Re: Exposure mystery

2016-04-24 Thread ann sanfedele
Cotty, YOu are so sharp! But as to the actual question ... seems to me I had something like that happen - though my feeble memory is saying it was only when I was using flash fill ann On 4/24/2016 1:08 PM, Steve Cottrell wrote: On 24/4/16, David J Brooks, discombobulated, unleashed: I ha

Re: Exposure mystery

2016-04-24 Thread Ken Waller
Some might think Larry is over exposed ! ;-) -Original Message- >From: Steve Cottrell >Sent: Apr 24, 2016 1:08 PM >To: pentax list >Subject: Re: Exposure mystery > >On 24/4/16, David J Brooks, discombobulated, unleashed: > >>I have Larry on all of my Dslr&#x

Re: Exposure mystery

2016-04-24 Thread Zos Xavius
That camera did you a favor. The underexposed one is the only one without a blown sky. :) EXIF looks the same on all shots. It must have been an aperture lever error. It happens. If it becomes a regular occurrence I would be concerned. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.n

Re: Exposure mystery

2016-04-24 Thread David J Brooks
miss one , and all hell breaks loose.:-) On Sun, Apr 24, 2016 at 1:08 PM, Steve Cottrell wrote: > On 24/4/16, David J Brooks, discombobulated, unleashed: > >>I have Larry on all of my Dslr's and sometimes on my new X30 > > So am I given to understand that a single darkened exposure over a > serie

Re: Exposure mystery

2016-04-24 Thread Larry Colen
Mark Roberts wrote: David J Brooks wrote: I have Larry on all of my Dslr's and sometimes on my new X30 If I had Larry on all my DSLR's I'd probably give up photography and take up something less surreal. Fortunately, being weathersealed, most Pentax DSLRs are easy to clean. -- Larry

Re: Exposure mystery

2016-04-24 Thread Mark Roberts
David J Brooks wrote: >I have Larry on all of my Dslr's and sometimes on my new X30 If I had Larry on all my DSLR's I'd probably give up photography and take up something less surreal. -- Mark Roberts - Photography & Multimedia www.robertstech.com --- This email has been checked for virus

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