Wide Angle Board Lenses or Fisheye Board Lenses-lenoptec

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Wide Angle Board Lenses or Fisheye Board Lenses

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Wide Angle Board Lenses or Fisheye Board Lenses

Wide angle board lens is usually called Fisheye Lens, because of its very short focal length and wide angle of field of view, usually wider than 100° and focal length less than 2.8mm. It is different from digital camera, in which area, the angel of view may reach 180°. This series of lenses can help the camera to catch a wider enough area in a shorter distance, such as to monitor a whole room while mounted in indoor place, or some mini device but requiring larger view area.

All Lenses are made of aluminum mechanical parts and optical glass elments.

Different types of filters can be optional for special application, such as IR cutoff filters for visible light viewing, IR Longpass filters for NIR light viewing.

Model No.	LOT1720-4-17.2
Focal Length	1.70mm
Relative Aperture	F2.0
Sensor Size	1/4” (Max. Image Circle ?5.3mm)
Back Focal Length	4.3mm
Angle of View	D=170°, H=132°，V=95°
Optical Distortion	<-85%
Mount Size	M12 x 0.5
TTL	17.2mm

Model No.	LOT2125-18.21
Focal Length	2.18mm+/-5%
Relative Aperture	F2.5
Sensor Size	1/3” & 1/4”
Back Focal Length	6.8mm
Angle of View	D=170.5° @ 1/3”, D=121.8° @ 1/4”
Min. Operation Distance	0.4m
Mount Size	M12 x 0.5
TTL	24.8+/-0.4mm

Model No.	LOT2525-18
Focal Length	2.5mm+/-5%
Relative Aperture	F=2.5
Sensor Size	1/3” (Max. Image Circle ?5.9)
Back Focal Length	5.5mm
Angle of View	D=150° @ ?5.9
Min. Operation Distance	0.4m
Mount Size	M12 x 0.5
TTL	18mm

Model No.	LOT2820-21.3
Focal Length	2.8mm+/-5%
Relative Aperture	F2.0
Sensor Size	1/3”
Back Focal Length	4.2mm
Angle of View	D=128°
Min. Operation Distance	0.3m
Mount Size	M12x0.5
TTL	21.3mm
Optical Distortion	<-30%

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