Disapointed in my Df.

Started Apr 6, 2014 | Discussions thread
sgoldswo Veteran Member • Posts: 5,718
Focus speed IS lens dependant

brianric wrote:

RedFox88 wrote:

using what kind of lens? kit? (f/3.5-f/5.6), f/4? or f/2.8? or a prime even faster? that makes a difference when light levels are lower.

Lens will make a difference, but a f/5.6 lens will send the same amount of light to the focusing sensor on Nikons. The only system I know where focusing speed and accuracy changes is on Canons (don't know if all Canons work that way) where there are more accurate sensors that are activated by the f/2.8 aperture lens. Only thing a wider aperture does on Nikons is a brighter viewfinder.

I had a 24-70/2.8 Tamron VC on the Df, and a 24-120/4.0 on the D800.

Focus is still lens dependant on Nikons. Not because of the focus system in the camera but because of the lens.

In my experience, the Tamron VC isn't the fastest lens to focus and can hunt a bit, whether mounted on the Df, my old D600 or my D800E (if you check out some online reviews you'll see its significant enough to warrant a mention as a negative with respect to the lens). That's one of the reasons I sold it and replaced it with the Nikkor 24-70.

 sgoldswo's gear list:sgoldswo's gear list
Leica Q Leica M Typ 240 Nikon Df Nikon D810 Nikon D750 +1 more
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