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Weight: |
470 g
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Brand: |
Sigma
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Description: |
Bayonet mount: Sigma SA, lens type: ultra wide-angle fisheye, focal length: fixed, autofocus, prime lens focal length: 4.50 mm, aperture F at min. focal length: 2.80, func.
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Type: |
Lens
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Functions: |
Focusing motor for Nikon F, 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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Max viewing angle: |
180 deg.min
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Auto focus: |
There is
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Focal length of prime lens: |
45 mm
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Bayonet: |
Sigma SA
|
Aperture F at min. focal length: |
2.8
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Minimum aperture F: |
22
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Number of aperture blades: |
6
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Number of element groups: |
9
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Number of low dispersion elements: |
1
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Number of elements: |
13
|