- EF mount; super telephoto lens
- Fluorite glass; diffractive optics; image stabilizer; internal focusing
- 400mm focal length
- f/4 maximum aperture
- Micro UltraSonic Motor (USM)
Friday, 14 October 2011
Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras
Perhaps the best 400MM lens money can buy / Incorporates Diffractive Optics Image Stabilizater & Ultrasonic Motor technologies
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