Amateur Photographer Magazine

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that seems to be an issue not unique to Nikon, ironically when the subject is small in the V/F that would be when you want as many focus points as possible (I would have thought)

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I would argue that the opposite is true...

When the subject is small in the finder and the AF is in self selection mode there is an increased likelihood of the AF sysytem choosing a subject that is either larger or has more contrast than the subject with a resultant potential for missed focus. Couple this with the tendency for the outer AF points to a bit less sensitive than the central one and the chances of being off increase markedly. In this sort of situation it's preferable to force the camera to use a specific AF point in my opinion, it won't necessarily be 100% accurate every time bit I reckon your chances are much better.

As an example I was photographing a local charity raft race last weekend using my 20D on all AF points active. It was clear on reviewing the images later that with many of the pictures taken of the rafts well out into the harbour the AF had focussed on the much more contrasty skyline despite the AF points suggesting that it was the raft(s) that were in focus.........

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Nigel

Completely BSRIPN

ElSid Gallery

A camera in the hand is better than one in the cupboard........

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