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Lens Mount | PENTAX KAF3 mount |
Model No. | 21790 |
Focal Length | 28.6° |
Lens Construction [Elements/Groups] | 9 elements in 8 groups |
Min. Aperture (f) | F22 |
Min. Focusing Distance | 0.45m |
Max. Magnification | 0.17X |
Filter Size | 58mm |
Diameter & Length (mm) | 70.5mm x 66mm (2.8” x 2.6”) |
Weight (g) | 375g (13.2 oz.) without hood 415g (14.6 oz) with hood |