Tamron M13VM308 is a high performance Varifocal Megapixel Security camera lenses, the Tamron M13VM308 Megapixel lens features a 3.0-8mm adjustable Focal range and Manual Iris, The M13VM308 Megapixel lens from tamron furthermore has an excellent aperture rating of F1.0 an is an ideal solution for high quality video surveillance!

Tamron M13VM308 Main Features:

• Focal Length:  3.0-8mm
• Iris Range:  F/1.0-Close
• Iris Operation: Manual w/Lock 
• Focus Operation:  Manual w/Lock 
• Zoom Operation: Manual w/Lock 
• Mount: CS
• 1/3" Angle of View (wide/telephoto)  92.5° x 68.2°/ 35.4° x 26.5°
• 1/4" Angle of View (wide/telephoto)  68.2° x 50.6 °/ 26.5° x 19.9°
• Focusing Range  0.3m ~ INF
• Back Focus (in air)  8.31mm ~ 14.92mm 
• Filter Size  ---
• Operating Voltage  ---
• Weight 65 grams 
• Operating Temperature  -20° ~ +60° C