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Weight: |
595 g
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Brand: |
Sigma
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Description: |
Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length
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Type: |
Lens
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Length: |
107.8mm
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Diameter: |
89 mm
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Max. focal length: |
40 mm
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Min. focal length: |
20 mm
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Focal length: |
Variable
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Lens type: |
Wide angle
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Zoom ratio: |
2x
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Max viewing angle: |
94.5 deg.min
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Minimum focus distance: |
0.3 m
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Auto focus: |
There is
|
Bayonet: |
Nikon F
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Filter thread diameter: |
82 mm
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Aperture F at max. focal length: |
2.8
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Aperture F at min. focal length: |
2.8
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Minimum aperture F: |
22
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Number of aperture blades: |
9
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Minimum viewing angle: |
56.8 deg.min
|
Number of aspherical elements: |
2
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Number of element groups: |
13
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Number of elements: |
17
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