12MP, 16MP or 24MP for the 17-55 lens?

Started Apr 19, 2013 | Questions thread
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zirtico Contributing Member • Posts: 727
Re: 12MP, 16MP or 24MP for the 17-55 lens?

I own the Nikon 17-55.  Let me say first that I was initially considering the Sigma and Tammy as well but I couldn't be happier that I went with the Nikon.  The AF on my D7000 really comes to life and AF is very sure, even in low light.  No jittering, no hunting, it just works.  Also, it's been through heavy sleet and snow and it just keeps on going.  It even fell when a gust of wind blew my tripod over with my 17-55 and D7000 mounted.  Neither had a scratch.  Regarding resolution, I wouldn't go past 16 MP.  That is my personal opinion, because I just don't think lenses can resolve 24 MP on a DX sensor.  24 MP on a 24 x 16mm sensor works out to approximately 250 lines/mm and an exceptional lens can resolve 150 lines/mm.  Frankly, 16 MP works best in terms of pixel size, low light performance, file sizes when shooting RAW, and fewest "wasted" pixels.

P.S. I didn't notice what gatorowl said.  He hit the nail on the head!

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