Tag Archives: AA filter

Nikon’s patent for electrically controlled optical low-pass filter

Nikon filed a patent in Japan (2013-156379) for electrically turning ON or OFF the optical low-pass (OLPF) a.k.a. anti-aliasing (AA) filter. Currently the Nikon D800E and D7100 do not have AA filters on their sensors. Nikon filed a similar patent back in 2011 which offered a mechanical ON/OFF solution. Another patent from last year suggested adding the OLPF inside the lens. Detailed description […]

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The new Nikon 1 J3 and S1 cameras do not have an anti-aliasing (AA) filter

A reader pointed me to this article by Fotosidan – according to a Nikon rep, the new Nikon 1 J3 and S1 mirrorless cameras do not have an anti-aliasing (AA) filter, just like the D800E:

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