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SportsShooter.com: Member Message Board

pixel dimensions 2144x1434.
Marvin Gentry, Photographer
Birmingham | AL | USA | Posted: 11:19 PM on 02.11.10
->> I am trying to convert this to megabytes how do I do this. Or can someone tell me what this size is in the 7D and or the Mark II n?
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Stew Milne, Photographer
Providence | RI | USA | Posted: 11:26 PM on 02.11.10
->> I believe that's 3.074 megabytes. Please correct me if I'm wrong.
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Andrew Fredrickson, Photographer
Seattle | WA | United States | Posted: 11:31 PM on 02.11.10
->> This can't be converted into megabytes. That relies on many factors (Raw, JPEG, JPEG compression, and others).

It converts to megapixels though, which is 3.074
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Jim Colburn, Photo Editor, Photographer
McAllen | TX | USA | Posted: 11:06 AM on 02.12.10
->> It's an 8.8Mb TIFF (i.e. uncompressed) file.
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Jason Orth, Photographer
Lincoln | NE | USA | Posted: 12:18 PM on 02.12.10
->> For an uncompressed TIFF, the approx. file size is:

File Size = ((height x width x bit depth x dpi^2) / 8) / 1024^2

http://images.library.uiuc.edu/calculator/about.htm
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Marvin Gentry, Photographer
Birmingham | AL | USA | Posted: 3:17 PM on 02.12.10
->> so whats the size if jpeg??
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Jason Orth, Photographer
Lincoln | NE | USA | Posted: 3:39 PM on 02.12.10
->> For jpeg, that will indeed depend on compression level and the compression algorithms used which vary by program and method.

Just one of essentially infinite examples: if I compress a file using "save for web" in PS, it will compress to a different size than if I just "save as JPG". A B&W, grayscale jpeg is often smaller than the color equivalent, etc., etc.
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Stew Milne, Photographer
Providence | RI | USA | Posted: 3:54 PM on 02.12.10
->> Sorry, I meant megapixels. And yes, the megabytes will depend on the compression level you set. (for a jpg)
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Darren Whitley, Photographer
Northwest Missouri | MO | USA | Posted: 10:31 PM on 02.14.10
->> It also changes depending on what the subject of the photo was. For instance a highly detailed macro photograph of leaf venation will yield a larger file than a landscape photo with a vast expanse of sky. Details increase the file size.
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Thread Title: pixel dimensions 2144x1434.
Thread Started By: Marvin Gentry
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