D7100 substantially better AF than D7000??

Started Apr 14, 2013 | Discussions thread
Mako2011
MOD Mako2011 Forum Pro • Posts: 25,471
Same

dwa1 wrote:

After using a D300 for many years, I just added a D7100. I'm certainly no Nikon AF system engineer, but here is a bit of info that may be worth considering.

I’ve been doing some research about the D7100 “Advanced” Multi-CAM 3500DX autofocus sensor module.

I liked this thread (below) on the D7100 AF-C. Here is one quote…

“The second difference, starting with the D3s, using single point AF Nikon made the detection area smaller. A D3s or D4 (and I understand D600) has smaller single AF point detection areas than the D700.”

The key point being the smaller detection area (compared to the 3500DX of the D300).

The D3500DX in the D7100 has the same detection area size as that of the D300 3500DX unit

Here is the link to LS’s post (threaded view) where the quote came from...

http://www.dpreview.com/forums/post/52190396

The link is talking about the relative size (% of viewfinder) in the D7100 vs D700 (Muti-cam 3500FX). Same physical size in both though

What I’m getting out of my research is that since the “detection area” for Single Point on the D7100 is smaller than what we are used to with the D300, that it will definitely behave differently than what we are used to with a D300.

Not true...same size if you map it out. Diffrent sensitivity to light though.

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My opinions are my own and not those of DPR or its administration. They carry no 'special' value (except to me and Lacie of course)

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