Hi all,
Has anyone done a head to head comparision for autofocus with the FA*85 and the 77mm LTD on an *istDS in low light?
Took the 85mm out tonight for some shots. Took shots at the same venue a month ago, using the 77mm. I used the manual AF point select both times. Most of my shots are in portrait mode, so I set the AF to the topmost point (i.e. the leftmost "ear" if the camera was in landscape). Lighting was about the same both times, i.e. really dark (I'm shooting about 1/60 or 1/90 at ISO3200, wide open).
The 77mm had no problem snapping in focus. The FA*85 (which is a bit faster) seemed to hunt A LOT more, and often didn't find the focus at all, although it was fine when it did. But I missed a lot of shots because of it. Just realised I miss the switchable single/continuous AF of the PZ1. Hmm.
I'll post some pics later next week when I get a chance.
D
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