Ultra-wide-angle lens for serious applications. Easy to hold and carry at 14.3 oz. (405g). Floating rear focusing system. Sharp images are obtained at all subject distances.
- Focal Length & Maximum Aperture 20mm 1:2.8
- Lens Construction : 11 elements in 9 groups
- Diagonal Angle of View : 94??
- Focus Adjustment : Rear focusing system with USM Closest Focusing Distance 0.25m / 0.8 ft.
- Filter Size 72mm
- Max. Diameter x Length, Weight 3.1" x 2.8", 14.3 oz. / 77.5 x 70.6mm, 405g