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Description #3016114
Value: 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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Brand #3016115
Value: Opteka
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Type #3016116
Value: Lens
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Lens type #3016117
Value: Telephoto lens
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Focal length #3016118
Value: Variable
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Min. focal length #3016119
Value: 420 mm
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Max. focal length #3016120
Value: 800 mm
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Zoom ratio #3016121
Value: 1.9x
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Minimum focus distance #3016122
Value: 1.6 m
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Aperture F at min. focal length #3016123
Value: 8.3
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Aperture F at max. focal length #3016124
Value: 8.3
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Minimum aperture F #3016125
Value: 16
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Bayonet #3016126
Value: Micro 4/3
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Filter thread diameter #3016127
Value: 62 mm
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Number of element groups #3016128
Value: 2