Camera Lens Cctv
What Does Fixed Lens For CCTV Mean?
Im just wondering what does fixed lens for a cctv camera mean?
sorry to sound dumb lol
Fixed focal length lenses offer a wide range of superior quality yet economical solutions for CCTV and machine vision applications. With a fixed focal length lens, the distance between the lens and the object must be physically changed in order to achieve a different field of vision. While zoom lenses accommodate many different working distances, the working distance for any given field of view for a fixed focal lens is predetermined. Fixed focal length lenses specifically address working distance requirements and as a result, may better suit a specific application.
please rate me as best could really use points thanks hope this helps u
A look at what is currently available on eBay
 3.6mm Lens 1/4" CCD CCTV Security Camera PAL DC 12V US $23.12 
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 6-15mm IRIS Manual CCTV Camera Varifocal Zoom CCTV Lens US $21.00
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 1/3" CCTV 2.8mm Lens Black for CCD Security Box Camera US $5.86
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 Metal Shell 6mm Lens 1/4" CCD PAL Security CCTV Camera US $53.93
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 DC 12V 1/4" CCD Ceiling PAL CCTV Camera 3.6mm Lens US $22.97
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 Surveillance Box Camera Fix 1/3" 6mm IR Board CCTV Lens US $7.32
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 Replacement CCTV Camera CS Mount 4mm Fixed Iris Lens US $12.58
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 12mm Auto Iris CCTV Lens For CS Camera True F1.2 C35 US $13.77
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 16mm Auto Iris CCTV Lens For CS Camera True F1.2 C35 US $17.71
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 2 Pcs 6-15mm Manual Zoom Lens CS Mount For CCTV Camera C35 US $25.58
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 2.8-12mm F1.4 Manual Zoom Lens For CCTV Camera C35 US $15.74
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 2.8-12mm Manual Zoom CCTV Lens Board Camera True F1.6 C35 US $19.68
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 12mm Auto Iris CCTV Lens For CS Camera True F1.2 U35 US $14.00
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 DC 12V 3.6mm Lens 36-LEDs 1/4" IR CCD CCTV Camera PAL US $36.72
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 Blk Replacement CCTV Camera F1.2 2.1mm Fixed Iris Lens US $14.46
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 16mm Auto Iris CCTV Lens For CS Camera True F1.2 U35 US $18.00
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 CCTV Camera Replacement F1.4 Monofocal Manual Iris Lens US $11.68
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 Infrared Color 6mm Lens PAL CCD CCTV Dome Camera Gray US $36.70
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