Hi Ken, welcome to the list. A few quick thoughts. o One strategy is to scan at the highest resolution and highest bits per pixel once to create a master file with all the possible data you can capture. This way you can make derivative files at smaller sizes, etc. and "never" have to rescan the image.
o Do your tone and color correction on this master file, but don't sharpen it. o When you want to print it downsample it to the appropriate size and resolution and sharpen it for printing. o When you want to display it on the web, downsample it to the appropriate size and resolution, sharpen it for the web, then save as JPEG with a medium level of compression. o Save in TIFF in preference to BMP. Among other things TIFF can support high bit (e.g. 48 bits/pixel) images, whereas BMP can't. o The JPEG standard includes a lossless setting. Photoshop 6 supports it: set the quality level to 12. it will compress to, say, 1/3 of the original size. JPEG only supports 24-bit images. o Do a Google search on Charles Poynton. He's the gamma guru. Gamma comes into play in setting up your monitor, ICC profile-based color management, and tonal correction with with a different twist in each circumstance. o VueScan is often spoken well of on this list. o If you run Windows, look into Picture Window at http://www.dl-c.com/ for a cheaper alternative to Photoshop that can manipulate high-bit images. Have fun, --bill At 9:59 PM -0700 20-10-01, Ken Durling wrote: >Greetings - > >Can you handle another newbie? (I heard that groan) ;-) > >OK, not entirely new to scanning, but just got my first film scanner - >a Canon FS2710 that I got 2nd hand. Seems to be working fine. > >it's making me realize that I need to get into a whole other level of >control and understanding of what I'm doing. Prior to this all my >work - about 4 years of it - has been on a HP 5200C flatbed, with the >bundled PhotoDeluxe and occasionally Corel Photo House. I've gotten >pretty good at the basics. I've tried out Photoshop Elements and >like it, but at this point am wavering as to whether I should get the >whole PS6 package or if PSE would do it. IAny advice appreciated. I >know you need to know more about what I want to be able to do. > >At this point I mainly am striving to just get the absolute best >quality photo and then reproduction thereof that I can, given my >budget, which is why I'm limited to 2720 dpi. Probably it will be >fine for my purposes, which is mostly web-based right now, but >eventually I'd like to make my own prints, up to 8x10, with a very >occasional larger one. Don't have a photo printer right now, just an >HP Color Inkjet, but will probably eventually get an Epson 1280 or a >smaller one. > >Right now I think most of my questions concern procedure with these >large scans, which are new to me. I'd appreciate any tips no how to >minimize loss when compressing to a jpeg. For example, Is there any >substantial difference as to whether I save the original scan as a >.TIFF or a .BMP? These seem to be the main options offered by the >Canon software. I do have a trial copy of Vuescan, which I'm *very* >impressed by so far, and will be going over to a full version of that >probably, unless I'm convinced otherwise here! Vuescan seems to be >able to handle different films much better. > >Another question when working with large files like this is at what >point do you do most of your image adjustment? Do you do all your >color balancing, sizing, and similar image property work on the .TIFF >and then compress and run sharpen on the jpeg? > >So I have a lot to learn about color control, and have basically zero >experience with color management. But I'm not doing a lot of printing >just yet, so that's probably not my first concern. To start with I'd >appreciate a good explanation of "gamma." > >Anyway, enough for now! Needless to say, some or all of the above may >be able to be answered by links and FAQ's, please feel free to refer >me to the requisite sources, I'm a good reader! > >If you want to critique what I've been doing thus far, I have a >portfolio at photo.net: > >http://www.photo.net/shared/community-member?user_id=402251 > >And a primitive template-based website. URL is in my sig. > >Thanks very much. I promise to try not to ask the 14,000 most asked >newbie questions. > > >Ken Durling > >Website http://home.earthlink.net/~kdurling/ > >Alternate e-mail: [EMAIL PROTECTED] -- ====================================================================== Bill Fernandez * User Interface Architect * Bill Fernandez Design (505) 346-3080 * [EMAIL PROTECTED] * http://billfernandez.com ======================================================================
