Specifications
Main Unit Spec
| 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 |
Phú Quang Kts : Đại Lý Ủy Quyền Chính Thức Canon-Nikon-Tamron-Carl Zeiss-Benro-Marumi-......
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