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[OM] Re: E-500 senior picture

Subject: [OM] Re: E-500 senior picture
From: Garth <garth@xxxxxxxxxxxxxxx>
Date: Fri, 14 Jul 2006 06:47:11 -0600
Moose wrote:
> Tim Randles wrote:
>> what is wrong with JPEG format?


Tim:

Moose's overview is short and excellent.  To add: there should be an 
option in the E-500 to shoot both RAW and JPEG (i.e., the camera creates 
two files, one RAW and one JPEG, every time you press the shutter button 
-- but this does slow the camera down a bit).  Since from your postings 
here it sounds like you shoot a lot of outdoor scenes, RAW is a good 
option for you because it has a better chance of capturing the wide 
dynamic range of "luminance" you normally encounter in a natural scene 
outdoors.  Subsequent manipulation in various programs (Paint Shop Pro, 
Photoshop CS2, Picture Window Pro, etc.) will be easier and will allow 
you to retain more of the original image information if you start with a 
RAW that's been converted into a 16-bit TIFF (or similar format), before 
finally saving the image as a JPEG.

JPEG's a good format for display on most digital/analogue devices (LCD, 
LED, Plasma, good old-fashioned CRT) as well as for printing.  This is 
because the vast majority of output devices, including printers (even 
the ones you find at photo shops and your local Costco!) aren't capable 
of displaying the wide dynamic range of anything higher than 8-bit, and 
*also* can't display the entire "gamut" or range of colours which a 
12-bit RAW or 16-bit TIFF can encapsulate.

Digital's not simpler than old silver-based photography, just different. 
  And when you do the image manipulations, you no longer have to get any 
of those smelly toxic chemicals on your hands.  ;-)


Garth


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