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A Note About Cheap Wide-Angle Lense Adaptors For Camcorders …
I had the fisheye problem with my Panasonic PV-GS320 using a 2X zoom lens. It turns out I forgot to remove the ring adapter that covers the cam's lens, this have to come off first before attaching the zoom lens. … View Video
Telephoto lens – Wikipedia, The Free Encyclopedia
In photography and cinematography, a telephoto lens is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length. … Read Article