Forgotten in its old age

by Aditya

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13
votes
1answer
11k views

How does focus work on mobile phone cameras?

How does focusing work on mobile phone cameras? Aren't their optics simple enough to not have any moving parts whatsoever? If so, how come most smartphones have an auto-focus, and with various ...
1
vote
0answers
265 views

Why can I not disable full-range auto-focus in newer point-and-shoot cameras? [closed]

I owned a number of Canon PowerShot cameras (SD300 and SD1000), and I was always pleased with being able to quickly take one out of the pocket, and take a picture within about 2 seconds of noticing ...