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Weight: |
470 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: |
Ultrasonic motor, internal focusing
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Length: |
77.8 mm
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Diameter: |
76.2 mm
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Focal length: |
Permanent
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Lens type: |
Ultra wide angle fisheye
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Minimum focus distance: |
0.135 m
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Auto focus: |
There is
|
For non-full frame cameras only: |
Yes
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Focal length of prime lens: |
45 mm
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Bayonet: |
Nikon F
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Aperture F at min. focal length: |
2.8
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Number of aperture blades: |
6
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Number of element groups: |
9
|
Number of low dispersion elements: |
1
|
Number of elements: |
13
|