This would certainly do the trick, however it would be a bit cumbersome for bird watching to have the camera body suspended nearby all the time, & the eyepiece ...

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 ...

I was wondering why my M42 adapter on an old Chinon lens was not working with the teleconverter. Thank you! [C/\GE] Tue Oct 26 04:58:31 PDT 2004.

Removal of the adapter is the reverse of the attachment process: first remove the lens/adapter combination from the camera and then remove the adapter from the ...

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

This lens adapter can be used to attach accessory lenses and filters. It has a front 30 mm screw thread for attaching 30 mm conversion lenses, filters, or ...

The goal was to experiment and get them to work with my digital, APS, and 35mm system. These teleconverters have rear lens element that are much smaller than ...

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 ...

Oct 4, 1999 · I have photos taken with a 6 deep stack; you would not consider them successful, although the subject is readily identifiable. I've not given up ...

Amazingly, the teleconverter showed no light-loss on my Olympus C-2500L internal meter. I think the reason is because the teleconverter does not extend the ...