Product name: 1/1.8'' 4K vari-focal zoom 8MP China Zoom Lens
Product Advantage:
1, Support Large Format Sensor 1/1.8’’ and fast Varifocal
2, top quality 8MP 4K Varifocal Lens Glasses
3, China excellent 3X 4K manual Focusing Zoom Lens
4, Support Auto Iris, Automatic electronic shutter function, F1.5 Low Light Zoom Lens
Product specification
optical specification of 3.6-11mm cs vari-focal lens
1, Focal length: 3.6-11mm±5%
2, Aperture F/No: 1.5±5% Low Light Zoom Lens, Starlight Zoom Lens
3, Optical back focal length (OBFL): 6.24±0.1 (in air)
4. Flange back focal length (MBFL): 12.5±0.1 (in air)
5. TTL: 52.28±0.2(in air)limiting point
6, Max image circle: ∅9
7, Lens structure: 8groups,10 elements ALL Glasses
8, Mount type: CS mount
9, Clamp Force: 60-600gf.cm
Torsion of Front/back Structure, 0.7-0.8kgf-cm
10, FOV (D/H/V)1/2.5”
HFOV 85.64°(W) - 37.8°(T),
VFOV 47.07° (W) - 21.31° (T)
DFOV 99.51° (W) - 43.32 °(T)
1/1.8” HFOV 112.46°(W) - 46.58°(T)
VFOV 60.4°(W) - 26.29°(T)
DFOV 133.29°(W) - 53.36°(T)
11, Optical Distortion 1/2.5”-32%~-4.3%,
1/1.8”-54.2%~-6.6%
12, Relative illumination 1/2.5”54.6%~84.6% ,
1/1.8”42.2%~78.1%
13, CRA: 1/2.5”9.7°, 1/1.8”12.1°
14, M.O,D. 0.2 meter
15, MTF resolution: 3840×2160 (8MP)
The inverse projection:(center:250lp/mm 0.7Y:180lp/mm, 0.9Y:125lp/mm )
16, Focus operation: Front group:Focus,
Back group: Zoom; manual
Iris operation: Auto
17, HSF&safety: RoHS
Technical Datasheet of 3.6-11mm 1/1.8'' Varifocal Lens
Product Application
1, Varifocal CCTV Camera
2, Mini High Speed Camera
3, Outdoor PTZ Camera
4, Varifocal IP Network Camera
5, CCTV Dome Zoom Camera
6,Vari-Focal Surveillance camera
7, Night Vision Camera, CCTV Night Cameras
8, Motorized AHD Camera
Custom Lens
we are Personalized Custom-design and Custom-Made Lenses Manufacturer in China.Currently we can Custom Camera Lens include CCTV Camera Lens, Custom Fish Eye Lens,Custom M12 Lens, Custom Car Camera Lens, Custom Varifocal Lens, Custom M16 Lens,Custom M7 Lens, Customized Lens for Action Camera Gopro and Smart home Camera. their specification include M6*P0.35, M7*P0.35,M12*P0.5, D14/M14, M16*P0.5, CS Mount, C mount, F mount Industrial Camera Lenses too。welcome to share your lens requirement or product idea with us to discuss and proceed, thank you very much
Glass Lens Manufacturing Process
The technological process of making glass optical lenses is
1,cutting- 2,Rough Grinding- 3, Centering - 4, Fine Grinding- 5 Cleaning-6 Inspection- 7 Film - 8 Coating
About US
we are China professional Plastic Lens, Glass Lens and Camera Lens Manufacturers that running our own Lens Factory and have South Korea, Taiwan and Japan Imported Optical Lens Manufacturing Machine and Fully Automated Lens Assembly Machines also Glass Lens Manufacturing Equipment and skilled workers work in 10000 Dust-free workshop。Lens Product passed CE, RoHS, REACH Certifications and factory with IATF16949 Approval.Main Lens covering Car camera Lenses (Automotive Lens),Zoom Lens, Fisheye Lenses, Low Distortion Lens, M7 Lens, Wide Angle Lens M12, F1.0 M16 Lens, Motorized Varifocal Lens etc。 of course we are also Wholesale Lens Company, provide Lens Shopping here, Lens Wholesale or retail or Distribute and Custom Camera Lens