iGary-garyi said:The rather excellent news is my iMac has been dispatched today. Yippee.
Left field answer: It doesn't, the photographer does when he used pre-focus, zone focus, hyperfocal technique etc., used the lens markings (lenses from the olden days...) etc.garyi said:How does a camera know its in focus?
Here's a review of the new iMac, while you're waiting for yours to arrive.The rather excellent news is my iMac has been dispatched today. Yippee.