Is the Panny 20mm f/1.7 slow to focus on the GX7?

Started Mar 19, 2014 | Questions thread
Ken Strain Regular Member • Posts: 448
Re: Thank all, next question then Re: Is the Panny 20mm f/1.7 slow to focus on the GX7?

rhlpetrus wrote:

jhinkey wrote:

My experience with the new 20/1.7 on my GX7 mirrors that of Anders - if it's focusing on something not near it's pretty quick. It takes about a second to rack all the way from MFD to infinity which can seem like forever if you are in a hurry. Small AF changes at far distances are pretty fast - fast enough at least.

Also, it seems to me that the size of the AF point box seems to affect it as well - i.e., the smaller the size of the AF box the slower it is and is somewhat less reliable, but it may just be me.

Thanks all. Now my question then is: do other fast primes work similarly or are newer ones better in that respect. Af speed is my main issue with non-dslrs, I want to corner that wrt m43 before I move into the system.

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OnExposure member
Good shooting and good luck
(after Ed Murrow)

The 20 is the only lens singled out on p46 of the longer English manual.

The Olympus 17/2.8 has a broadly similar focus action, but that one is not a great lens anyway.


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