Pentax C61244 12-1680Mm, F4.0-360, C-Mount Video Iris

The Pentax C61244 1/2" C-Mount 12 - 1680mm f/4.0 Auto Iris Motorized Zoom Lens when used with your existing CCTV camera, dramatically increases its viewing capacity. It can be used with cameras that monitor large and wide areas and need to occasionally zoom in on distant suspicious activity. With an extremely wide focal length ranging from 12 to 1680mm, this ultra-telephoto lens allows you to identify objects measuring 16' (4.87 m) up to a mile away. When the 2.5x Extender is in use, the maximum aperture ratio of this lens increases from 1:4 to 1:10 (wide) and 1:7.2 to 1:18.2 (telephoto).

Features:

• Ideal for intelligent surveillance system using network devices
• Amazing long focal length of 1680mm
• Lens auto adjusts its iris in response to available light levels, assuring properly exposed images
• Features a manual override of iris and analog control of zoom and focus

Specifications:

• Format Size:1/2 format
• Mount Type:C
• Focal Length:12 to 660mm (30.5 to 1680mm)
• Aperture:1:4.0(f = 12mm) to 18.2(f = 1680mm)
• Iris Range:f/4.0 - 360
• Back Focal Length:0.35" (8.99mm)
• Filter Size:105 P = 1.0mm
• Response Speed of Video Iris:Approx. 1.5 sec
• Speed of Focus:Approx. 4.5 sec
• Speed of Zoom:Approx. 4.5 sec
• Dimensions (WxHxD):6.1 x 5.4 x 14" (155 x 138 x 355mm)
• Weight:11.9 lbs (5.4 kg)