The C-160 changes the focal length of this lens to 72.5 in addition to the 1.25x magnification caused by the APS format. The C-210 changes the focal length to ...

To clean such a smudge off can be an extremely tiring exercise. Since you can't get your whole finger through the lens opening, you can't really put the lens ...

The magnification looks identical to the Olympus 1.45x Tele Conversion Lens above. Olympus C-210 1.9x H.Q. Converter produced this image. The magnification ...

A nice thing about this cheap lens is that it has a non-rotating front. I don't find this feature in many low-price lenses. The front filter thread takes 52mm ...

Step-by-step instruction on making a Canon EOS pin-hole lens. Same steps may be followed for other camera systems.

A true macro lens has the ability to capture a subject on the sensor at the same size as the actual subject; this is called, 1:1 or 1.0X macro magnification.

Being a macro lens, I use it in manual focus mode most of the time anyway, especially for 1:1 (one-to-one) magnification. I managed to continue using it for ...

The Raynox MX-3000PRO is a ultra wide angle conversion lens. It de-magnifies the scene by 0.3 times. So a 28mm lens would be converted into 8.4 mm. It is ...

Sep 29, 2012 · Quite a while back, we got our hands on a Quad-G Wide+Macro Lens QWMA-77. This tiny lens, about the size of a thumb, is made for camera phones, ...

The first step is to get a lens that mounts on the camera that one owns, preferably an used and inexpensive lens, as we are going to ill-treat it. Prefer a ...