linux dvr Registered Vendor City of Seattle    
linux dvr cctv
Serving Seattle and the great northwest since 1996


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The World's Highest 60X Magnification Lens for Day and Night Surveillance Camera
Demonstrates its Power in Round-the-clock Remote Surveillance


General Product Description
Adoption of special optical glass as well as our highly advanced optical designing technology has brought the world's highest 60X zoom ratio among the lenses for surveillance cameras. The built-in extender with 1,500 mm focal length can recognize a person 3 km away.

  In spite of its 60X magnifying function, the lens has been made small and light enough to be mounted on an existing small-size housing for compact surveillance systems.

  Newly developed wide-band special coating applied to the lens has allowed sufficient light transmission even in the near infrared range. The lens can capture a bright image of a distant object which the IR Illuminator light does not reach sufficiently.

  Fjinon's original device incorporated for automatic chromatic aberration compensation has enabled the lens to respond to various ranges (700nm~ 1,500nm) of near infrared rays. It has widen a range of selection of near infrared IR Illuminators according the application.

  Two models with CCTV control system which can be mounted on existing surveillance camera systems, and one model with the full servo control system for fine control. All of them are equipped with a serial interface for control via PC. Call (206) 528-2582 for pricing.

 
 
 
 
 
AT Aspherical Technology

Many of Fujinon's CCTV lenses feature Fujinon's AT, which combines the company's exclusive Aspheric Technology with a new inner focusing system to greatly improve lens performance over conventional designs.

A single aspheric element reduces distortion at wide angles, improves corner resolution, reduces glare and reflections, and allows chromatic aberration to be managed throughout the zoom range, rather than simply optimized at specific points.

Aspheric elements gain their advantages from the way light passes through them. Light passing through the periphery of a spherical element falls on a different point on the focal plane than light passing through the center (spherical aberration). This requires additional elements to correct. Since light passing through aspheric elements focuses at the same point on the focal plane, additional elements are not needed. Lenses with aspheric elements eliminate the additional weight and space required by the corrective group of elements as well as their increased potential for distortion, ghosting, and flare. Call (206) 528-2582 for pricing.

 
 
 
 
 

Lux and low lighting chart
Condition Illumination Details
(FTCD) (LUX)
Sunlight
Full Daylight
Overcast Day
Very Dark Day
Twilight
Deep Twilight
10,000
1,000
100
10
1
.1
107,527
10,752.7
1,075.3
107.53
10.75
1.08
Daylight
Range
Full Moon
Quarter Moon
Starlight
Overcast Night
.01
.001
.0001
.00001
.108
.0108
.0011
.0001
Low Light
Level Range


lens
size
Field of View (in ft.)
5 ft
away
10 ft
away
15 ft
away
25 ft
away
50 ft
away
100 ft
away
mm
w
h
w
h
w
h
w
h
w
h
w
h
3.6 7.5 5.2 15.1 10.4 22.6 15.6 37.7 26.1 75.4 52.1 151 104
6.0 3.8 2.9 7.7 5.7 11.5 8.6 19.2 14.4 38.4 28.7 77 57
8.0 2.9 2.1 5.7 4.3 8.6 6.4 14.4 10.7 28.7 21.3 57 43
12.0 1.9 1.5 3.9 3.0 5.8 4.5 9.7 7.5 19.4 14.9 39 30
50.0 .5 .4 1.0 0.7 1.4 1.1 2.4 1.8 4.8 3.6 9.6 7.2