Zoom Lens

Optical Lens Assemblies
Optical Assemblies 
PARAMETER:
The F15-300mm zoom lens is mainly used in visible light band to detect specific targets or regions and transmit TV images and focal length information in real time.
The f15-300mm zoom lens is mainly used in visible light band to detect specific targets or regions and transmit TV images and focal length information in real time.
1. Applied environment 
     
Teperature
() Visibility
Km Relative humidity
(%)
Visible light imaging 25 15 80
Enhance to penetrate the fog
25 1-8 80%
2. Main performace
2.1 Sensor:  Digital 1/1.8 "color CCD.
2.2 Illumination adjustment range: 10~1104lx).
2.3 The smallest view: 1.7°.
2.4 Optical magnification ratio: 20X, consecutive magnification.
2.5 Imaging range: 20m~.
2.6 Frame frequency: 50Hz.

The F15-300mm zoom system is composed of visible light zoom lens, control circuit board and power supply circuit board. The visible light zoom lens includes CCD, optical lens, diaphragm, potentiometer, micro-dc motor, CAM and other structural parts.
3 Optical lens design
3.1 Zoom lens system is an optical system in which the focal length changes within a certain range and the image plane remains fixed. In general, the relative aperture is constant during zoom.For imaging system, continuous zoom optical system is the best way to solve the problem of large field search and small field resolution. The ratio of the two ultimate focal lengths in the zoom range, namely the ratio of the long focal length to the short focal length, is called magnification ratio, also known as multiplier. In consideration of the secondary spectrum requirements, the plan of the small relative aperture of the long focal length is adopted (that is, the relative aperture also changes during the zoom process).
3.2 The optical system USES a continuous zoom lens with a focal length of 15mm~300mm.
No. Parameters Item Design Result
1 Zoom ratio 20x
2 Focal length f=15mm~300mm
4 Horizontal field 1.27°~24.9°
5
Visual discrimination(Design value) Short focus(Wide field of view) 200lp/mm
Long focus(Wide field of view) 180lp/mm
6
OTF Characteristic frequency 145lp/mm MTF 0.2

Optical Lens Assemblies
Optical Assemblies
PARAMETER:
BRD Optical offers a range of high performance ruggedized zoom lenses based on a common chassis and sharing the same control electronics. Applicationsinclude, but are not limited to, long range surveillance, border security and remote weapon stations.
Thislens is designed to operate over the 460nm-960nm waveband. The whole system is fully automated for remote control, is built to full Mil-SPEC and can be customised to meet specific requirements.
BRD Optical offers a range of high performance ruggedized zoom lenses based on a common chassis and sharing the same control electronics. Applicationsinclude, but are not limited to, long range surveillance, border security and remote weapon stations.
Thislens is designed to operate over the 460nm-960nm waveband. The whole system is fully automated for remote control, is built to full Mil-SPEC and can be customised to meet specific requirements.

Main technical indicators and application requirements

CS Mount 2.8-12mm/5-50mm /6-60mm Camera lens, Manual Zoom Varifocal Lens for CCTV Security USB Cameras, 4/6/8 /12mm CS Fixed Focus lens for USB webcam


Options:
1) 5-50mm CS lens
2) 2.8-12mm CS lens
3)4/6/8/12mm CS Lens
4) 6-60mm CS Lens

Optical mag 0.7x~4.5x

Wd 902mm

Focal adjustment 0¡ª3mm

Mag0.7x 2x 4.5x

Depth of field1.9mm 0.28mm 0.1mm

Na0.03 0.0720.085

Resolution11.18um4.65um3.94um

Tv distortion0.13%0.01%0.01%

Maximum compatible camera 2/3¡±

Installing C-mount

Packed by carton

1 Focal length adjustment flexibility:

The focal length can be manually adjusted from wide Angle to telephoto to meet the needs of different shooting scenes.Creative space for more composition and perspective.

2 Aperture control:

Aperture size can be manually adjusted to control depth of field and exposure.

A large aperture can blur the background, and a small aperture can increase the depth of field.

In low light, exposure can be improved by increasing the aperture.

3 Reliability and durability:

The mechanical structure is relatively simple, the failure rate is low, and the service life is long.

It is also more reliable when working in harsh environments.

EFL 5-50
F/NO 1.6IRIS
SENSOR 1/2.5

HD Varifocal 2.8-12mm Manual varifocal lens, HD CCTV Lens Camera Lens For Industrial Microscope CCTV Security Box Camera



Description:

1) Lens type: HD CCTV Camera Lens

2) Focal length : 2.8-12mm fixed Iris , manual focus lens

3) Mount : we have two lens lount : M12 or CS mount optional

3) used for : All cctv cameras with M12 /CS mount

CS Mount 2.8-12mm 5-50mm 6-60mm Camera lens, Manual Zoom Varifocal Lens for CCTV Security USB Cameras, 4/6/8 12mm CS Fixed Focus lens for USB webcam
Options:
1) 5-50mm CS lens
2) 2.8-12mm CS lens
3)4/6/8/12mm CS Lens
4) 6-60mm CS Lens

¡ö High quality optical components coated with special film, created a high-
quality optical images.
¡ö Formed flat and good contrast image, especially in the peripheral visual
field, it is more bright and clear.
to get a clear image.
¡ö Suit to ergonomic design, the best height of the eyepoint, uses feel less
fatigue when long time use.
¡ö The zoom hand wheel (axial) bilateral settings, easy operation, high
precision zoom repeat.

carton and foam
carton size:50*40*38cm
GW:9.7KG NW:8.2KG