Re: cheapest way to do 600 to 800mm? Canon 5D MkII mount.
Bifurcator wrote:
I occasionally use the 2X Tamron APO teleconverter II and I don\'t notice much if any degradation. But both my Nikon and my Canon 2X pro grade TC\'s are inferior to the Tamron. The Canon one is the worst of the three.
Anyway, TC\'s are the only way you\'re getting to 600 to 800 cheaply with any kind of quality! The TC\'s I\'m talking about sell used for between $250 and $350
You should also ask this question in the Wildlife forum where all the big guns hang out. They\'ll know exactly! But do add your budget if you do; we\'re not mind readers.
BTW, a little known secret... two 1.4x TCs usually delivers better IQ than one 2x TC.
freaklikeme wrote:
What two 1.4s can you use stacked? Of the ones I\'ve used, the front element wouldn\'t allow it to mount to the rear of another converter.
The Tamron ones, and the Canon ones are the ones I\'ve tried. I\'ve never had two of the Nikon brand APO/ED (pro) types at once so I dunno about those. But stacking is fairly common:
