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Brand: |
Irix
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Description: |
Mount: Pentax KA/KAF/KAF2/KAF3, lens type: wide-angle, focal length: fixed, prime lens focal length: 15 mm, aperture F at min. focal length: 2.40, aperture F at max. focal length: 2.4
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Type: |
Lens
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Focal length: |
Permanent
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Lens type: |
Wide angle
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Minimum focus distance: |
0.28 m
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Focal length of prime lens: |
15 mm
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Bayonet: |
Pentax KA/KAF/KAF2/KAF3
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Filter thread diameter: |
95 mm
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Aperture F at max. focal length: |
2.4
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Aperture F at min. focal length: |
2.4
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Minimum aperture F: |
22
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Number of aperture blades: |
9
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Security: |
Dustproof, waterproof
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Number of aspherical elements: |
2
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Number of element groups: |
11
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Number of low dispersion elements: |
2
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Number of elements: |
15
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