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CES
8245 NW 36th Street
Suite #6
Miami, FL 33166
Phone:
305.499.9396
Fax:
305.499.9636
security@controlelectronic.com
Contáctenos en Español:seguridad@controlelectronic.com
Disclaimer: All sales are final
We accept
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Telephones: (305) 499 9396 - En español (786) 594 30 52
Lenses
Infrared Lenses
2.8-12mm Manual Iris
Fixed CS Mount (No Iris)
2.8-12mm DC Auto Iris
6~60mm DC Auto Iris
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Description
Infrared lens that illuminates up to 30 feet and automatically turns on when light level goes down. No external power sup-ply needed, draws power from any of our 12 Volt day / night or black & white cameras. Recommended for use with our PC-201WC-DN.
Options
LN-301-IR4
4mm Infrared Lens $57.00*
LN-301-IR8
8mm Infrared Lens $57.00*
*options, shipping & handling extra
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Description
We carry a complete line of high-end lenses. Fixed, varifocal, auto iris, and motorized zoom. These are our best sellers.
Options
LN-292-M
2.8-12mm Manual Iris $58.50*
*options, shipping & handling extra
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Description
We carry a complete line of high-end lenses. Fixed, varifocal, auto iris, and motorized zoom. These are our best sellers.
Options
LN-181-F4
4mm Fixed CS Mount (No Iris) $27.00*
LN-181-F8
8mm Fixed CS Mount (No Iris) $27.00*
LN-181-F16
16mm Fixed CS Mount (No Iris) $27.00*
*options, shipping & handling extra
Move Mouse Pointer Over Image To Enlarge It
Description
We carry a complete line of high-end lenses. Fixed, varifocal, auto iris, and motorized zoom. These are our best sellers.
Options
LN-293-A
2.8-12mm DC Auto Iris $52.50*
*options, shipping & handling extra
Move Mouse Pointer Over Image To Enlarge It
Description
We carry a complete line of high-end lenses. Fixed, varifocal, auto iris, and motorized zoom. These are our best sellers.
Options
LN-660-V-D
6~60mm DC Auto Iris $97.50*
*options, shipping & handling extra
The following are the three most frequently asked questions:
1. What is the size of a CCD imager?
Expect 1/3", 1/2", rarely 2/3".
If the CCD imager is 1/3" you need a 1/3" lens (1/2" and 2/3" will work).
If the CCD imager is 1/2" you need a 1/2" lens (2/3" will work).
If the CCD imager is 2/3" you need a 2/3" lens.
2. Should I use a manual iris or an auto iris lens?
You can save money by using a manual iris lens when the scene illumination never changes, for example, an illuminated store, office or inside a warehouse.
An auto iris lens is always a better choice, especially when there is outside light or direct light where the camera is pointing.
3. What focal length lens do I need?
The smaller focal length number, the wider the field of view. If you have a camera in an office or warehouse and you want to see as much as you can, you should use a 2.9mm or 4mm lens (wide, somewhat distant view). If you want to observe a limited area, like an entrance, or if you want to see detail close up, use an 8mm or 12mm lens (narrower view and objects are closer).
The rule: use varifocal lenses for flexibility and the best field of view.
Technical Information:
Auto Iris Lens: a lens in which the iris aperture automatically opens or closes to maintain proper light levels on the faceplate of the camera pickup device.
Video Type Auto Iris Lens: an auto-iris lens with internal circuit which receives voltage and a video signal from the camera to adjust the iris.
DC Type Auto Iris Lens: an auto-iris lens without an internal circuit to control the iris. All iris control voltages come from a circuit located within the camera.
Manual Iris Lens: a lens with a manual adjustment to set the iris opening (f-stop) in a fixed position. Generally used for fixed lighting applications.
Angle of View: the angular range that can be focused within the image size. Small focal lengths give a wide angle of view, and large focal lengths give a narrow field of view.
F-Stop: a term used to indicate the speed of a lens. The smaller the f-number, the greater is the amount of light passing through the lens.
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