LETTER OF THE WEEK
Focus, please
Will Cheung’s useful Manual Masterclass (AP 4 June) mentioned several scenarios when even modern AF may not deliver. But it omitted two which are very important for landscape, architectural and street photographers.
First, when shooting through water or glass AF will often lock onto the physical surface, not the subject beyond it: you have to flip into manual (thank you, clutch ring!) to override the AF’s
