- Covers full frame and super 35 sensors
- Smooth, stepless 300° focus ring
- Glass construction counteracts temperature induced marking discrepancies
Covers Full Frame and Super 35 sensors 11-blade iris Focus breathing minimized to virtually zero Markings on both sides of the barrel Rear markings on an angled surface Smooth, stepless 300° focus ring Geared manual iris ring Shares 114mm front barrel diameter, focus rotation, 36° iris rotation, and focus and iris gear positions with the rest of the CN-E line-up Glass construction counteracts temperature induced marking discrepancies Dust and water-resistant housing Focus markings can be switched to metric labeling if you send the lens to Canon for modification