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By: Theia
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Ultra-wide No-Distortion Megapixel Lenses
Contact us for lowest price (800) 284-2288, (858) 565-1101, sales@avsupply.com, or fax (858) 300-4193
SL940 Telephoto Day/Night Five Megapixel Lens

Theia's SL940A with it's long focal length magnifies objects from far away for unobtrusive security.

Similar to Theia's other lenses, the SL940 is a high quality lens designed to allow the installer to take full advantage of the high resolution of HD and multi megapixel cameras. The lens can be used on cameras up to five megapixel resolution giving a crisp image from edge to edge.

The lens is IR corrected for use with true Day/Night cameras. This IR correction focuses IR light from artificial illumination at the same plane as the visible light allowing the image to remain in focus when the Day/Night camera switches to night mode. Unlike lenses without IR correction, the night image will not be out of focus when using IR illumination.


The SL940A lens is IR corrected for use with true Day/Night cameras. This IR correction focuses IR light from artificial illumination at the same plane as the visible light allowing the image to remain in focus when the Day/Night camera switches to night mode. Unlike lenses without IR correction, the night image will not be out of focus when using IR illumination.

  • 9-40mm telephoto varifocal
  • IR corrected for Day/Night
  • 5 megapixel resolution
  • Compact <50mm long
  • CS-mount
Iris type DC auto iris
Focal Length(field of view) 9 - 40mm varifocal
IR correction IR corrected for Day/Night cameras
Mount type CS-mount
F/# F/1.5 to closed
Resolution Up to 5 megapixels
Minimum focus 2.0m
Lens size Ø39mm x 50mm
Lens weight 70g (approx)


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Prices and specifications subject to change without notice.