A camera lens filter is pretty much what you’d expect: it’s a physical piece of glass that attaches to your camera’s lens, filters the light before it reaches the sensor and, typically, has an effect ...

A periscope camera lens is a lens assembly that uses prisms, mirrors, or a combination of them to redirect light before it reaches the camera sensor. In doing so, it magnifies the image more so than ...

I see those lens filters hocked everywhere, also seem to be billed as lens protectors. It seems like a good idea to have the lens protected, but I can't tell for the life of me what I need to/should ...