50mm f/1.4G AFS

Started Dec 18, 2008 | Discussions thread
Marianne Oelund Veteran Member • Posts: 7,121
Re: AF speed

Kuvasauna wrote:

Is the AF really not much faster than with 1.4D? Faster AF would be
my number 1 reason to upgrade.

It is in fact slower than the AF-D, at least on the D3. The trade-off is that you achieve a little better precision. In all of my tests so far, the consistency of focus is better with the 1.4G.

I would still say the AF is fast enough to follow action, but if you are expecting 200 f/2 class AF performance, you will be disappointed.
Reasons for "upgrading" to the 1.4G are
1. Quiet, precise AF with full-time manual override.
2. Better contrast and lower aberrations at widest apertures.

A mind is like a parachute.

Failure to open results in second death.

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