Did 2 round of simple test outdoor but the lighting condition seem not a good equal compare .. so finally managed to have both indoor to test both 1dx Mark1 and 1dx Mark2
very simple test
1. AV mode, F8 , meter at same area
2. ISO100 with exp 0, -1,-2,-3,-4,+1,+2
3. ISO200, 400,800,1600,3200,4000,6400,12800,25600
4. all with select portion to 100% crop
5. all picture open with Adobe Camera Raw (CC) and NO Noise reduction, sharpen
6. liveview with timer 2s shooting, on tripod
Physically , not much change but it do have the Liveview Video-Still switch which one of the MAJOR missing of mark1 !!!!!!!!!!!
Below are the pictures sample
ISO100 1dxm1
ISO100 1dxm2
click link below for all ISO100 full size
100% crop for ISO100 exp -1 for 1dxm1
100% crop for ISO100 exp -1 for 1dxm2
100% crop for ISO100 exp -4 for 1dxm1
100% crop for ISO100 exp -4 for 1dxm2
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both ISO100 Exp0 100%
1dxm1
1dxm2
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here is the links for
100% crop for 1dxm1 ISO1600
100% crop for 1dxm2 ISO1600
100% crop for 1dxm1 ISO3200
100% crop for 1dxm2 ISO3200
100% crop for 1dxm1 ISO6400
100% crop for 1dxm2 ISO6400
100% crop for 1dxm1 ISO12800
100% crop for 1dxm2 ISO12800
*** not really accept noise level >6400 so just share the full size picture of 25600 … no 100% crop pictures
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for the simple test , my personal feel on the 1dxm1 vs 1dxm2
1. mirror shake seem less on mark2 especially the slow fps which is 6fps . mark2 seem seem almost no mirror shake at all
2. AF for liveview seem much faster for mark2 , non liveview seem faster too but not significant as the liveview AF
3. ISO from 100-3200 seem almost same at exposure 0 , mark2 may be slightly better than mark1
4. all pictures shoot within same environment , same ISO, same shutter speed, same aperture … but mark2 seem slight brighter especially on shadow area .
5. ISO4000-25600 …. hmmmm mark1 seem better at shadow area ?
6. for shadow area recovery for -1 stop seem not far different . but for 2,3,4 stops under… mark2 have better software capability to recover better …. much better ….
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