Theia Technologies SL940M 9-40mm, f1.5, Manual-Iris, CS-Mount Lens, IR-Corrected, 5 Megapixel, 2yr special
SL940
Theia's SL940 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.
PRODUCT SPECIFICATION
SL940
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Lens model | SL940A | SL940P | SL940M | ||
Iris type | DC autoiris | P-iris | Manual 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 | 2.5m | ||||
Lens size | Ø39mm x 50mm | ||||
Lens weight | 70g (approx) | ||||
Technical specifications | Download pdf | Download pdf | Download pdf | ||
Drawing | SL940A drawing | Same as SL940A | SL940M drawing | ||
CAD iges file | iges (13.0MB) step (5.2MB) |
Same as SL940A | iges (14.3MB) step (5.8MB) |
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Owner's manual | Download pdf | ||||
Notes |
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A limited set of cameras are capable of driving a P-iris lens. Call Theia for more information. |
Lens Field of view
Sensor Size | 1/3" | 1/2.7" | 1/2.5" |
Sensor Diagonal | Ø6.0mm | Ø6.6mm | Ø7.2mm |
Sensor Format | 4x3 | HD (16x9) | 4x3 |
Field of view (H) | 30° - 7.1° | 37° - 8.6° | 36° - 8.5° |
Field of view (V) | 22° - 5.3° | 20° - 4.8° | 27° - 6.3° |
Field of view (D) | 38° - 8.8° | 42° - 9.9° | 46° - 10.6° |