Model No     SL08551
Image Format Cover     1/2"
Focal Length     8.5-51.0mm
Maximum Aperture Ratio     F1.2-C
Iris Control Method      Manual 
Focus Control Method      Manual 
Zoom Control Method      Manual   
Angle Field of View
（D×H×V） 1/3 inch Wide   31.3°× 23.6°
e   5.5°× 4.1°
1/2 inch Wide   41.2°× 31.3°
e   7.2°× 5.5°
2/3 inch Wide   ＊＊＊
e   ＊＊＊
1 inch Wide   ＊＊＊
e   ＊＊＊
Minimum Object Distance   
Back Focal Length   
Effective Diameter Front   
Rear   
Filter Screw Size   
Mount   C
Mechanical Dimension（D×L）   Φ58.8X93.4
Weight   440g
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