原装日本精工镜头SR12575

Model No     SR12575
Image Format Cover     1/3" 1/2" 2/3"
Focal Length     12.5-75mm
Maximum Aperture Ratio     F1.8-C
Iris Control Method      Manual 
Focus Control Method      Manual 
Zoom Control Method      Manual   
Angle Field of View
(D×H×V) 1/3 inch Wide   21.2°× 16.1°
Tele   3.6°× 2.7°
1/2 inch Wide   28.3°× 21.4°
Tele   4.8°× 3.6°
2/3 inch Wide   38.7°× 29.3°
Tele   6.6°× 4.9°
1 inch Wide   ***
Tele   ***
Minimum Object Distance   1.0 m
Back Focal Length   17.19 mm
Effective Diameter Front   Φ44.0 mm
Rear   Φ13.0 mm
Filter Screw Size   ---
Mount   C
Mechanical Dimension(D×L)   Φ54.4 mm ×100.5 mm
Weight   368.0g
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