View single post by jk
 Posted: Wed Feb 24th, 2016 10:30
jk



Joined: Sun Apr 1st, 2012
Location: Carthew, Cornwall, United Kingdom
Posts: 6830
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Answer to Graham's question is .... There is no AA filter.

http://petapixel.com/2016/01/09/i-shot-with-the-nikon-d500-here-are-my-thoughts/

"No Optical Low-Pass Filter

Part of the reason for the fantastic image quality the D500 produces is a result of the sensor design. The D500 ditches the optical low-pass filter, which is a great decision for 99% of the photographers who will use this camera.

Low-pass filters apply a minute level of blurring at the sensor level — the reason for them is to reduce moir© patterns, artifacts that can cause false color or false detail at the pixel level. The downside to low-pass filters is that in order to reduce moir© patterns in the rare instances they do appear in real-world shooting, they sacrifice the sharpest details 100% of the time.

By leaving out the low-pass filter, the D500 is able to deliver extremely crisp detail and make the absolute most out of the 20mp sensor. This is the same decision that Nikon has made with the Nikon D810, which I think signals a favorable trend of really delivery maximum detail and clarity."



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