Sima SLS-20 2x Telephoto Conversion Lens. The Sima SLS-20 2x Telephoto Conversion Lens is an accessory lens to supplement a camcorder or a digital camera.
Olympus 1.45x Tele Conversion Lens produced this image. ... The magnification looks identical to the Olympus 1.45x Tele Conversion Lens ... Sima SLS-20 2X Telephoto ...
eyepiece to make telephoto lens into telescope - Camera Hacker
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I bought a Sunagor PATP 54038748 OP Telephoto lens adapter for my Canon Olympus telephoto lens with a 3 x converter. I don't know if they still make them ...
We got even closer by mounting both of my 1.4x and 2x teleconverters. ... Each lens has a tab for mounting. On auto lenses ... The tab on an auto lens is longer.
The answer I always get is that with a 1.4x teleconverter, the lens lose one stop of light and becomes 1.4 times longer. With a 2x teleconverter, the lens lose ...