Product name: 5X zoom 2.8-13.5mm 1/2.7'' 4K auto focus auto iris cctv motorized varifocal lens
Product Advantage:
1, Support 1/2.7’’ Ultra 4K Outdoor PTZ Camera
2, Auto Iris F1.6 to F3.3, High Speed AF Auto Focus
3, Stepper Motor Driving Motorized Varifocal D14 Mount
4, Low Distortion, Wide Angle Motor Zoom Lenses
Product Specification
optical specification of 2.8-13.5mm 4K High Resolution Zoom Lens
1, Focal length: 3.5-12.5±5%
2, Aperture F/No: 1.6-3.3±10%
3, Optical back focal length (OBFL) :6.23±0.2 (in air)
4. Flange back focal length (MBFL): 13.45±0.2 (in air)
5. TTL: 50.62 ±0.2（in air）
6, Max image circle: ∅7.6(MAX)
7, Lens structure: 4G5P
8, Mount type: ∅14
9, Clamp Force: 0.7-0.8kgf-cm
Torsion of Front Structure: 0.5-0.6kgf.cm
Torsion of Back Structure 0.5-0.6kgf.cm
10, FOV (D/H/V) 1/2.5"
HFOV 114°(W) - 33.9°(T)
VFOV 58.1°(W) - 18.8°(T)
DFOV 139.6°(W) - 38.9°(T)
11, Optical Distortion 1/2.5"-62%(W) ﹣ -3.9%(T ) ,
1/2.8", -45%(W) ﹣ -3.1%(T )
12, Relative illumination 1/2.5"46%(W) ﹣ 94.5%(T ) ,
1/2.8"51%(W) ﹣ 95.5%(T )
13, CRA：1/2.5"8.3° , 1/2.8"7.5°
14, M.O,D.0.8 meter
15, MTF resolution: 3840×2160 （8MP）4K Zoom Lens
16, Zoom operation: Auto,
Focus operation: Pre modulation,
Post focus, AF
Iris operation: Auto
17, HSF&safety: RoHS
Technical Datasheet of 2.8-13.5mm 4K Zoom Lens
Product Application
1, Lens for Varifocal CCTV Camera
2, Lens for Mini High Speed Camera
3, Lens for Outdoor PTZ Camera
4, Lens for Varifocal IP Network Camera
5, Lens for CCTV Dome Zoom Camera
6,Lens for Vari-Focal Surveillance camera
7, Lens for Night Vision Camera, Lens for CCTV Night Cameras
8, Lens for Motorized AHD Camera
China Varifocal CCTV Lens Supplier
We are professional Zoom Lens Manufacturing Company and Best Varifocal Lens Manufacturers
In China, provide following Manual / Motorized Varifocal Lens
2.8-12mm, 6-22mm, 3.6-11mm, 2.7-13.5mm, 2.8-13.5mm, 2.8-8mm, 5-50mm, 4-10mm,
6-60mm, 8-32mm, 4.5-148.5mm etc
why you can consider cooperating with us?
1, Our Lens Product passed CE,RoHS, REACH, FCC Certificate
2, Mostly Lens have 2 year quality warranty
3, We have more than 10 skilled Optical and Mechnical Engineers service you anytime
include pre-sale, order, samples of course Custom-made Lenses
4, Every Quarter launch a few new Lens
5, With Fully Automated Lens Assembly Machines and 10000 Grade Dust-free workshop
6, Various Kinds of Lens cover Automotive Car Camera Lens, CCTV Security Lens,
Fisheye Lens, Wide Angle Lens, ZOOM Lens, Manual Focus Varifocal Lens, M5/M6/M7/M8/M9/M12/D14/M16/D16/CS / C Mount etc
7, Our sale team have more than 4 years lens sale experience and know them professionaly,
can communicate all problems freely and fastly
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
