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| Guru | Accepted answer and score of 40 or more. This badge can be awarded multiple times. |
mattdm earned this badge 5 times |
oct 30 at 16:27
Is there development in the world of lenses?
oct 30 at 11:02
What is “angle of view” in photography?
jan 10 '12 at 13:59
What historic reasons are there for common aspect ratios?
sep 13 '11 at 21:15
What is the “exposure triangle”?
