GordonBGood : Base iso vs high iso performance.
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| Forum | Pentax SLR Talk |
| Subject | GordonBGood : Base iso vs high iso performance. [SIMILAR] |
| Posted by | pcarfan [PROFILE] |
| Date/Time | 18:11:54, 05 November 2009 (GMT) |
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Hi, I thought I'd ask you this. Does the base iso of a camera influence the high iso performance and what is their relationship.
If the base iso is 50 for camera A, 100 for B and 200 for C. Then is it expected that camera C's iso performance at 6400 should be equivalent to camera B at 3200 and camera A at 1600, just because the base iso is 200 for camera C. Is it a linear relationship and will this hold at other iso's as well?
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http://www.pentaxphotogallery.com/home#section=ARTIST&subSection=2323984&subSubSection=0&language=EN
K10D, K-7
Pentax Primes: DA21/3.2, FA*24/2, F28/2.8, FA43/1.9, FA77/1.8, F135/2.8
Sigma Zooms: Sigma 10-20, Sigma 100-300 F4
'Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming... 'Wow! What a ride!'
http://farm3.static.flickr.com/2339/2289024794_7ec9d75300_t.jpg
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