Sep 18, 2009 · mamiya-sekor 50mm EF adapter for canon. I just got a lens that is labeled as a "Mamiya-sekor EF 1:1.7 f=50mm" As I'm new to photography I ...

The camera monitors a switch on the lens mount. Each lens has a tab for mounting. On auto lenses, the tab is longer, thus triggering the switch. The tab is ...

Forums: Lens: Canon ... Lelephoto 650-1300mm + auto teleconverter 2x Sigma + Canon EOS Rebel K2 = It Works! ... Digital Rebel + Kenko 2x MC4 + Sigma 500mm Mirror ...

The two lenses are: 1) Sigma 17-35mm D Aspherical EX Lens ... Unlike Canon EF lens, Nikon lens has an aperture ring on the lens. ... truth? Digital Camera Hack - ...

Some of the higher-end teleconverters are made specifically for one or two high-end lenses. Look toward Sigma's high-end teleconverters; they are generally ...

Finally, I decided to disassemble it and try to fix it. I have always wanted to see the inside of a Canon EF lens anyway. Step 1: Unscrew the three tiny screws ...

The auto-focus mechanism on this lens is based on Canon's micro motor. It is noisy and doesn't sound very smooth. In low-light and low-contract situation, it ...

The Sony VAD-PEA is a lens adapter designed for the Sony DSC-P92 and DSC-P72 digital still cameras. This lens adapter can be used to attach accessory lenses and ...

Grind the MD lens half a millimeter where it "sits" on the camera mount. Trim the MD mount. From there fit another mount that can be taken by the EOS. Not ...

I have a research microscope with a C-Mount exit-port on the top. I wish to attach a Canon PowerShot SX100 to this exit port to record images of samples. The ...