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找到点资料:
Angulon 6.8/65mm
OPTO-MECHANICAL DATA
(with lens focused at infinity)
Lens elements, Groups 6, 2
Shutter Size 00
Flange Focal Distance 63.5mm
Filter Mounting Thread M 30.5 X 0.5
Weight (with shutter) 80g
Overall Length 21mm
IMAGE DATA
(with lens focused at infinity)
Recommended Format (negative) Size 65 X 90 mm
Image Circle Diameter at f/16 109mm
Angle of View at f/16 81 degrees
Lens Displacement at f/16 (vertical/horizontal) _
56 X 72 mm ; 56 X 72 mm 13/11mm
65 X 90 mm ; 58.2 X 81 mm 8/6mm
OPTICAL DATA
(with lens focused at infinity)
Effective Focal Length (F') 64.5mm
Back Focal Length (S'F') 60.3mm
Principal Point Separation (HH') 2.0mm
谢谢大家。。 |
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