dapter... :)
-Cory
--
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
ggest problem will be repair. It's no longer cost-effective
to repair an older unit. As current DSLRs fail, they will simply be
tossed...
Anyway, I'm probably full of crap... it happens routinely... :)
-Cory
--
****
a MF lens on, but the
AF switch in the AF position. If he's not happy about your focus choice,
he won't fire.
It's gotten me quite a few times. Now I just leave it on MF
unless I *definately* want AF.
-Cory
--
****
t that.
Cheers,
Brian
+
Brian Walters
Western Sydney, Australia
--
*****
* Cory Papenfuss*
* Electrical Engineering candidat
the gimp and is lacking lots of the whizbang
bells and whistles. It will, however, provide the basic image
manipulation tools and preserve deep color.
-Cory
--
*****
*
them, you should top them off before you use them if you expect to get
much life out of them. Still, they're cheap enough to have a few sets and
rotate through.
-Cory
--
*
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
ly worth a try, although I haven't used it a lot...
(I'm quite familiar with the basic design from other, similar libs including
ImageVision on the SGI.)
- Toralf
--
**
one was about 1100. If I would
have had the charger earlier I would have taken them back for a
replacement. Tough to find out that information without individual cell
data.
-Cory
--
*****
* Cory Papenfuss
eady there
for that.
-Cory
--
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
That will make removal of the
lens difficult without damage to the lens, body, both, or require
disassembly.
-Cory
--
*****
* Cory Papenfuss*
*
ery one of
them does the interpolation. Some better than others.
-Cory
--
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
sition more than aperture so it would save lots of
stopping-down.
-Cory
--
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
to Pentax suggesting they implement this as a firmware
option. Of course I haven't heard anything about it by the time the
English-Japanese-English telephone game stalls it out.
-Cory
--
*****
*
cos.
The firmware updates at the moment for the -DS only affects >1GB
SD cards and a slight change on noise reduction IIRC. You won't gain much
by upgrading.
-Cory
--
**
posts.) Sheesh, sometimes there is simply too much testosterone on this list.
Agreed. You'd think it was usenet for how much carrying-on has
been happening recently.
-Cory
--
*****
* Cory Pape
re's a movement to organize one.
-Cory
--
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
or fork of
the gimp. It's based on an old version of Gimp, but I've used it for
basic photography manipulations in 16-bit linear files with color
management. Still pretty rough around the edges, but it does work.
-Cory
--
ertainly are not based on engineering and feature-enhancing
reasoning. Once marketing gets ahold of the system, the engineers have
lost.
-Cory
--
*****
* Cory Papenfuss
buy you a whole lot. Running it through an algorithm that's
designed for music (e.g. FLAC) compresses it a lot tighter.
-Cory
--
*****
* Cory Papenfuss*
* Electrical E
e sensor *REALLY* saw.
-Cory
--
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
tion will allow you to take
portraits under moonlight only. :)
--
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
*
g/camping.
Awesome shot. I agree... you suck. :)
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
er in Juneau has changed *noticably* since I moved there
in 1992.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering
a quieter machine
> would be very nice. Small is better than big.
>
>
> Shel
>
I've been using a Super Mazzer Jolly... beast of a thing, but
really does a good job for espresso. I've seen them go on ebay for
$100-$200 used IIRC.
-Cory
--
***
able of touching (and making even MORE
racket) in order to get an acceptably fine espresso grind.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* E
m/2.8 when
I need a wide-angle faster than the kit lens. It's touted as a fisheye,
but on the 1.5 crop it's not very fishy. If really necessary I can
un-barrel-distort it in post-processing.
-Cory
--
******
his type of
photo as well.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytech
wish I knew
who made it for Sears.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia
the image review,
> not by using an external meter.
> jco
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Cory Papenfuss
> Sent: Wednesday, March 21, 2007 8:33 AM
> To: Pentax-Discuss Mail List
> Subject: RE: Metering Takumar le
se grain is a whole different animal from digital noise, so
a big grain of salt is required to swallow such comparisons at all.
-Cory
--
*
* Cory Papenfuss, Ph.D., PPSEL-IA
t the performance of the
technology.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virgini
e different sensor sizes vs. film. The primary difference
between them all is technical (i.e. quality). Secondary effects are
artifacts of the format.
So where does all this elitism so rampant on this list come from?
Rather tiresome.
-Cory
--
; Enjoy
>
> William Robb
>
Photo: Interesting, quality shot. Nice, tight composition.
Subject:Eagle bait.
:)
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA
will recall that when I replied to the comment you posted, I told you
> exactly that.
>
> Be well
>
> William Robb
>
I think we're more or less agreeing here... I'm just being my
pedantic self.
Cheers,
-Cory
--
***
pretation-based information such as "XYZ technology
has a warmer color," "The bokeh of lens XYZ has a dreamy quality," or
"Medium format is better for portraiture" without attributing the
source. Those meanings are non-transferrable. :)
-Cory
--
looked like it's next meal and
> tried to take it.
>
> William Robb
>
I guess not too many eagles there. I'm thinking more B.C. and
S.E. Alaska for eagle bait. You're in Saskatoon, right?
-Cory
--
*****
ike oasis
among the canola fields
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virgin
the box, but friendly to everybody and everything.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering
al I believe Pentax cameras are very well made.
> Regards
>
Since the battery is different, the flash charging circuit would
have had to be redesigned. Could be a marginal redesign.
-Cory
--
*****
er done far-field single-row panos so far. The
bit of multi-row I've done has been pretty rough. This 29-frame, 95
megapixel one still seems too small printed at 42"x9"
http://www.ee.vt.edu/~mythtv/PESO/4/
-Cory
--
***
e seen look like
weird, pastel caricature pictures of the subject. This one works.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
*
software you
>> used to process/edit the photo. Compare it to the software you would
>> normally use. If you're not interested, I won't be offended. If you
>> think I need to revise the assumptions or rules please let me know. If
>> you think this is a ridiculo
Yes. Scrolling sucks, so my current resolution setup is the
minimum acceptable for me. Currently looking for a 3rd monitor...
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA
to the mountain by its
correct name.
-Cory
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
ocessing anyway.
Just figured I'd get some thoughts. I could get a nice old Pentax
prime, but 28mm is about as wide as I could find for a reasonable price.
Thanks
-Cory
***
tax on a 35mm camera. The
Zenitar isn't a 20mm ... it's CONSIDERABLY wider than the 20mm and the
18mm. How do you arrive at the conclusion that the 16mm Zenitar equates to
20mm coverage on 35mm?
Shel
On Sat, 23 Apr 2005 11:31:44 -0400 (EDT), Cory Papenfuss wrote:
Anyway, the 16mm Zenit
e field of view, regardless of your math, is greater with
the Zenitar than it is with a 20mm lens on a 35mm camera. Have you looked
through both focal lengths on a 35mm camera? Have you actually compared
photos side-by-side?
Shel
[Original Message]
From: Cory Papenfuss
Perhaps I wasn't
'll need to glue together.
... I'm also thinking astrophotography. I used to use a 28mm
wideangle on my 35mm for photographing Aurora.
-Cory
*****
* Cory Papenfuss*
and is even wider than the 18mm
kit lens I currently have. Thus it is not a redundant lens for what I
currently have and justifies purchase... :)
-Cory
*****
* Cory Papenfuss
e going to build your own
camera). The sensitivity plot on http://www.deep-sky.co.uk/dslr/dslr.htm
was lifted from it. I do not know how easy the IR filter is to remove...
if you find out, let me know... :)
-Cory
**
On Thu, 28 Apr 2005, Rob Studdert wrote:
On 28 Apr 2005 at 8:30, Cory Papenfuss wrote:
- You will need the AC adapter for any long-time exposures. I posted
awhile back on the voltage/current of the power adapter and someone
responded with 6.5V, 3.0A. Since I'm a cheap bastard, I have modif
one solid datapoint.
-Cory
*
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State
revert to TTL on the
internal lens at least, but I don't think it does.
-Cory
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student
l flash that supports P-TTL and TTL in order to use the *internal*
flash in TTL? I see on p153 that TTL doesn't work on the internal flash.
Odd.
-Cory
*****
* Cory Papenfuss
that's reasonable, but does the camera lock you out from doing
it?
-Cory
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
with the built-in
flash?
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
u from yourself, I
guess.
I'm sure there are more questions that can be had out of this... but I hope
that clearer.
Godfrey
Thanks a lot for the clarifications. The engineer in me sees
opportunities to make improvements and workarounds for lots
well stick with an extra-dumb one (and just get a more powerful version).
-Cory
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student
ibility to abuse a hot-air popcorn popper to roast coffee, my affinity
to good coffee for espresso and regular coffee, and my cheapness gene to
do it all for less than a "good" cup of regular (starbucks-equivalent).
-Cory
etty happy with it, but will likely use it for the
close-up fisheye effect and architectural photography... no landscape as I
was initially thinking. For that I think I'd prefer to use Panotools and
assemble higher-resolution landscape shots.
-Cory
***
view is a bit wider than 14mm, so the 16-45 is still no
as wide, either. If you stand in the corner of a room, the Zenitar will
get almost the whole thing.
-Cory
**
currently manufacturing, selling, and making a profit on
the product, you will find *NOTHING* about it on any of their worldwide
websites.
-Cory
*****
* Cory Papenfuss*
shot with on big spike on the
left.
I've had the request in for 6 weeks now and have yet to even hear
an acknowledgement of its receipt.
-Cory
*****
* Cory Papenfuss
) to see if you
did. Seems silly to me when it could be done in-camera. Photoshop/Gimp
will let you generate a log historgram... try it sometime. For some
images its indispensable for analysis.
-Cory
**
e's often a stop of lattitude more than is indicated by blinky
highlights on the histogram.
-Cory
*****
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. gradu
ggesting.
Then might I suggest suggesting suggestions applicable to
enthusiasts as well as avid professionals :) (*everyone* is learning
to some degree)
-Cory
*****
* Cory Papenfuss
id professionals :) (*everyone* is learning to some degree)
Was that better?
William Robb
Yes, I'll suggest it was. :)
-Cory
*
* Cory Papenfuss*
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*
and these are "1/3 stop" apart:
1.4 -> 1.6 -> 1.8 -> 2 -> 2.2 -> 2.5 -> 2.8 ...
-Cory
*
* Cory Papenfuss*
* Electrical Engineering ca
to guarantee an identical exposure between shots. Something
like:
f/16 @ 1/100s (0.010 sec)
f/11 @ 1/50s (0.020 sec)
A half-stop in-between would be
f/13 @ 1/66s (0.015 sec)
Yeah, you're right... useless... :)
-Cory
nother one :)
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytechnic Institute and State University *
*
ts today on a future
platform.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytechnic Institute and State University *
*
ss there's more metadata information
extracted in the process, there's no point in obfuscating the file
anymore.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
.. they're the "least" proprietary. K-mount, AA-batts,
SD-cards, pseudo-TIFF RAW files, sensor datasheet available, etc.
Sorry about the rant... must have brewed up BitchBlend in the
espresso machine this morning... :)
-Cory
--
***
e a silly idea for archival since it takes up even more space than
the original file.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering
ast charge
them. I charge mine at 200 ma.
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytechnic Institute and State University *
*
ble to choose a
smaller on or whittle down a bigger one into something lightweight. With
Winders you're pretty much stuck.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA
erything else is woefully inadequate for reliable simulations like that.
To each their own though... I only extol benefits for ME, but
don't try to convert anyone.
-Cory
--
*****
* C
thout paying for any software.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytechnic Institut
it
with none of the risk.
Again... to each their own. Whatever floats your 'scope.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering
2400 built for about 1/4 the price of a single (slower) processor Mac at
the time.
Hardware cost: 25% of slower Mac.
OS cost: $0
Application cost: $0
Aggravation: more.
Freedom to tinker: priceless...
:)
-Cory
--
*****
*
ialization of TIFF in structure, so the
same utilities that work on PEF files as specialized TIFFs would also work on
DNG files.)
Godfrey
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA
han macs and MUCH cheaper than commercial unix workstations. The
performance of unix without the cost.
Not just for servers and render-farms. Workstations are a very
popular and viable venue for linux boxen. It's not for Gramma, but sadly
those are the folks that suffer most
ing and photography is yet one more
venue for me. If it were any more than a hobby, I'd likely have a Mac for
photographic stuff.
-Cory
--
*
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytechnic Institute and State University *
*
...resist...urgetocomment...
--
*
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytechnic Institute and
mmencement next Friday.
Graduate school finally over for me as well.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering
30 mail-in rebate - which works out to $9.
Note: it's Bestbuy.ca
Michael Hamilton
[EMAIL PROTECTED]
http://www.michaelhamilton.ca
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA
but it at least gets you comfortable with a
"shoot-from-the-hip" exposure.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
ged as the other continue to force current
through it. Badness.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
"well-past f/11" is bunk or not.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* V
arties to produce them.
Having lower noise, higher ISO, and more megapixels I think is
the way to improve things at the moment.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
*
on a niche product.
Of course then there's the 645D :)
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering
stars on night
photos.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Polytechnic
T-R-I-C.
Batteries suck.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
* Virginia Po
s for
gasoline engines are 25-30%, so a *really* good one would be 35%. Oh, and
that's peak (RPM of max torque, WOT). High-quality modern diesels are
5-10% better thermodynamically (35-40%).
-Cory
--
*
* Co
ot; and requires 91/96 octane fuel. Of course that doesn't
exist, so it practically requires 100 octane.
Air-cooled engines blow (in every sense of the word).
-Cory
--
*****
* Cory Pa
onsidered
"high-compression" even though it's 8.5:1. One of the few aircraft
engines that can actually run on autofuel (91 or better).
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA
d installed a full digital King IFR stack... then earned my
instrument rating in it. Dual nav/com, ILS/GS, MB, VFR GPS, DME, RNAV...
didn't want to bother installing an ADF.
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-I
pressed to a non-stupid level? Anyone know?
-Cory
--
*****
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering*
*
Ooops... my bad. I must have mis-read a press release somewhere.
On Thu, 10 Aug 2006, John Francis wrote:
> On Thu, Aug 10, 2006 at 04:16:57PM -0400, Cory Papenfuss wrote:
> >
> > Just a though, but IIRC the K1[01]0D does DNG RAW files. Are they
> > compr
, or use a lab that will give
you a profile for their output or specifically states they use something
wide (like ProRGB), chances are they use sRGB.
-Cory
--
*
* Cory Papenfuss, Ph.D., PPSEL-IA
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