Canon EF 800mm f5.6L IS USM format_Something Else it can focus as close

it can focus as close as 1

Will fit Pentax 645 and Pentax 6x7 cameras

not the more common SD

reducing the effect of vignetting

The Mamiya N 43mm f4

Canon EF 800mm f5.6L IS USM format_Something Else it can focus as closeCanon's largest telephoto lens, the 800mm f5. 6L IS USM is a monument, half a meter long and weighing just over 5kg on its own. Worth it? Probably! Focusing is fast, the imaging is excellent, and while you're probably not going to want to make a habit of it, it's balanced enough to be handholdable. This one's in excellent condition, with good focusing and stabilizer, clean glass, only very minor cosmetic wear. Includes hood, softcap, aftermarket pinch