i had just tried this evening using my new 1.4 teleconverter with EOS cameras attached to my scope and couldn't get the camera to work except with the ...
These teleconverters include front and rear lens caps, lens pouch, and instruction manual. The C-210 model even comes with a built-in lens hood that snaps into ...
Are you willing to sacrifice the ability to auto-focus (AF). If you are not willing to sacrifice AF, your only choice is to buy a higher-end lens. You see, with ...