optics
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Which brand makes better fisheye lenses?
Asked by atr408 | 8 responses -
Why do ice cubes look yellow when you put them in milk?
Asked by arnbev959 | 18 responses -
Can you explain the difference between a prime/fixed focal length lens and one where the focal length can be varied?
Asked by tekn0lust | 4 responses -
What's with the lights/colors/motion you see when you close your eyes?
Asked by arnbev959 | 13 responses -
Rerout an IR signal to a receiver from a remote?
Asked by XCNuse | 1 response -
Why do objects in mirrors still appear blurry for people with poor eyesight?
Asked by paulc | 3 responses -
How does prismatic paint work?
Asked by syz | 3 responses -
What is the phenomenon that makes a spoked wheel when turning at a certain speed appear to rotate backward?
Asked by kelly | 9 responses