Specifications
1x Flattener
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(After attaching)80ED Focal length
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560mm
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(After attaching)80ED Focal ratio
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f/7
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Lens Number
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Triplet design(including one ED glass)
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Image circle
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APS-C
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Back Focus
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55mm(from the base of M48 male thread)
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Weight
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0.42kg
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Rear-end thread type
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M54×0.75 |
Product Size Diagram
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1x Flattener
Installation
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1x Flattener
Optical Path Diagram
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1x Flattener
Spot Diagram
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1x Flattener
Longitudinal Aberration
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1x Flattener
relative illumination diagram
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1x Flattener