Which lens is sharper with TC-20E III: 70-200mm f/2.8 VRII or 70-200mm f/4 on D800/E

Started Jan 16, 2013 | Discussions thread
mfouks
Regular MemberPosts: 339Gear list
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Re: Which lens is sharper with TC-20E III: 70-200mm f/2.8 VRII or 70-200mm f/4 on D800/E
In reply to GMack, Jan 18, 2013

thanks Mack.  I'm thinking about renting the 2.8 instead, just not sure if I can put up with its weight.

Marsha

Mack wrote:

The f/2.8 lens may give you a better auto-focus lock on than the slower f/4 lens with a 2-stop converter. Once you get up to around f/5.6-f/8 you are questioning the sensors in some cameras and some (less expensive models) may be worse AF offenders than others too. Some may hunt a bit at the slower aperture too and might or might not hit the sweet spot either.

Mack

 mfouks's gear list:mfouks's gear list
Nikon D800 Nikon Df Nikon D810 Nikon AF-S Nikkor 70-200mm f/2.8G ED VR II Nikon AF-S Micro-Nikkor 105mm f/2.8G IF-ED VR +4 more
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