Web Analytics RiceHigh's Pentax Blog: 5D3 Vs K-5 ISO Shootout (100 to 25600)

Saturday, April 28, 2012

5D3 Vs K-5 ISO Shootout (100 to 25600)



Shooting conditions:-

1. 5D3+EF50/1.8 II, Latest Firmware (1.1.2), All Factory Default Settings (Picture Style Standard 3, 0, 0, 0), Auto White Balance, Av Exposure Mode at f/8, Evaluative Metering with No Exp. Comp., One-shot AF / Central AF point, 2 sec. Timer on Tripod, Large Fine JPEG;

2. K-5+DA35/2.4, Latest Firmware (1.13), All Factory Default Settings (Picture Style Bright 0, 0, 0, 1, 1 (Sharpness)), Auto White Balance, Av Exposure Mode at f/8, Evaluative Metering with No Exp. Comp., Single AF / Central AF point, 2 sec. Timer on Tripod (SR Off), Large Fine JPEG.

Images of both cameras are resized to 3,999 pixels in width and are linked below, click any of the following to download and view the specific large-sized picture:-

5D3K-5
100100
200
200
400
400
800
800
1600
1600
3200
3200
64006400
1280012800
2560025600
(Expanded)

Still, if you want to access and assess the original un-retouched samples, you can go here:-

http://smg.photobucket.com/albums/v313/RiceHigh/5Ds/5D3_Vs_K-5/

One thing to note is that the exposure level and focusing accuracy varies with the 5D3. The K-5 is more stable and consistent there for both, in contrast. It seems that whilst the 5D3's AF is really very fast, its accuracy and consistency is in doubt.