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Weight: |
535 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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Functions: |
Focusing motor for Nikon F, ultrasonic motor
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Length: |
88.9 mm
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Diameter: |
79 mm
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Max. focal length: |
70 mm
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Min. focal length: |
17 mm
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Focal length: |
Variable
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Lens type: |
Standard
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Zoom ratio: |
4.1x
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Max viewing angle: |
72.4 deg.min
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Auto focus: |
There is
|
For non-full frame cameras only: |
Yes
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Bayonet: |
Pentax KA/KAF/KAF2/KAF3
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Filter thread diameter: |
72 mm
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Aperture F at max. focal length: |
4
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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: |
7
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Minimum viewing angle: |
20.2 deg.min
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Zoom in macro mode: |
0.37
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Minimum focusing distance in macro mode: |
0.22 m
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Number of aspherical elements: |
3
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Number of element groups: |
13
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Number of low dispersion elements: |
1
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Number of elements: |
17
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