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Weight: |
1245 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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Additional Information: |
Rear focus system. Includes ring tripod mount and lens hood.
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Type: |
Lens
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Length: |
183.5 mm
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Diameter: |
83.5 mm
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Max. focal length: |
400 mm
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Min. focal length: |
135 mm
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Focal length: |
Variable
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Lens type: |
Telephoto lens
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Zoom ratio: |
3x
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Max viewing angle: |
18.2 deg.min
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Minimum focus distance: |
2 m
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Auto focus: |
There is
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Bayonet: |
Nikon F
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Filter thread diameter: |
77 mm
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Aperture F at max. focal length: |
5.6
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Aperture F at min. focal length: |
4.5
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Minimum aperture F: |
32
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Number of aperture blades: |
9
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Minimum viewing angle: |
62 degrees min
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Number of aspherical elements: |
1
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Number of element groups: |
11
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Number of low dispersion elements: |
3
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Number of elements: |
13
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