Re: Ok, have you heard of resizing pictures? - Saab General Bulletin Board - Saabnet.com
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Re: Ok, have you heard of resizing pictures?
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Posted by PGAero [Email] (#1143) [Profile/Gallery] (more from PGAero) on Tue, 4 May 2010 16:20:24 Share Post by Email
In Reply to: Re: Ok, have you heard of resizing pictures?, yaofeng, Mon, 3 May 2010 15:36:34
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They are reduced quality, but I'm pretty sure they are still full size. They're physically huge.

NEF files are no bigger (resolution-wise) than the full-size (3MB) jpg file... just more info in them... You really should look into shooting in RAW/NEF with such a camera. It takes advantage of the technology you paid for in that-there sensor.

I'm surprised at the amount of noise in the images, even at ISO 1600 (that could be worsened by the JPG conversion process). As a tip, the f/stop could have been reduced (aperture opened a bit), keep the shutter speed high (good for long-lens use), and dropped the ISO for less noise.

Example: Image #2
Shutter speed: 1/640
Aperture: f/11
ISO: 1600

You could have shot it:
1/640
f/5.6 (minimum on that lens at that zoom range and +2 stops)
ISO: 400 (-2 stops)
Net exposure change = 0, but much less noise.

Thanks for the pictures, by the way. It's fun when nature puts on a show of any type!

~Peter
(A Canon user... but don't hold that against me. 30D to be exact.)

posted by 71.137.21... 

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