Focal Length & Maximum Aperture | 15mm 4.0 |
Lens Construction | 14 elements in 11 groups |
Diagonal Angle of View | 180° |
Focus Adjustment | Lens extension via inner focusing and focus cam plus floating mechanism |
Closest Focusing Distance | 0.16m / 6.2 in. |
Filter Size | Rear Gel Holder (accepts up to 3 pre-cut gel filters) |
Max. Diameter x Length, Weight | 3.1 x 3.7 in, 19.1 oz. / 78.5 x 83.0mm, 540g |
Sabtu, 19 Februari 2011
Specification EF 8-15mm f/4L Fisheye USM
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