Focal length | 21 mm |
Aperture range | f/2.8 – f/22 |
Focusing range | 0.22 m – ∞ |
Number of elements/groups | 16/13 |
Angular field, diag./horiz./vert. | 90°/81°/59° |
Coverage at close range | 18 x 12 cm |
Filter thread | M 82 x 0.75 |
Dimensions (with caps) | ø 87 mm, length 110-112 mm |
Weight | 600g - 720g |
Camera mounts | F Mount ZE |
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