The Canon EF 400 mm f/ 4 DO IS USM
Max. magnification 0.12
Diameter 128 mm
The Canon EF 400mm f/4 DO IS USM is a telephoto lens equipped with an image stabilizer and multilayer diffractive optical elements (DO)f or 35 mm Canon EF SRL cameras.
Diffractive optical elements make it possible to considerably reduce both weight and size of telephoto lenses, keeping up image quality. Besides, all major aberrations are well corrected.
Posted by: dv Date of publication: 26.09.2011