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Pentax K-r Prime Fisheye lenses
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Silent focus motor |
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| Silent and fast |
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Auto focus
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Yes |
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Min focal length
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4.5 mm |
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Focus motor
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Sigma HSM |
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Weight
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470 g |
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Aperture
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f/2.8 |
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Max focal length
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4.5 mm |
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Length
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78 mm |
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Diameter
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76 mm |
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Silent focus motor |
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| Silent and fast |
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Auto focus
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Yes |
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Min focal length
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10 mm |
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Focus motor
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Sigma HSM |
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Weight
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475 g |
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Aperture
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f/2.8 |
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Max focal length
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10 mm |
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Length
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83 mm |
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Diameter
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76 mm |
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Auto focus
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Yes |
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Min focal length
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15 mm |
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Focus motor
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None |
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Weight
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370 g |
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Aperture
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f/2.8 |
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Max focal length
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15 mm |
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Length
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65 mm |
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Diameter
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73 mm |
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Auto focus
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No |
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Min focal length
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8 mm |
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Focus motor
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None |
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Weight
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414 g |
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Aperture
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f/3.5 |
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Max focal length
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8 mm |
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Length
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n/a |
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Diameter
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n/a |
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