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Optical lens with variable focal length has a focal length adjustment ring, which can adjust the focal length of the lens within a certain range. Its variable ratio is generally 2-3 times, and the focal length is generally 3.6~8mm. In practical application, the market angle of the monitored market can be conveniently selected by manually adjusting the zoom ring of the lens. But when the camera is fixed, it is inconvenient to adjust the zoom manually frequently. Therefore, after the completion of the project, the focus of the manual zoom lens is rarely adjusted. It only functions as a fixed focus lens.
Customized Manual Iris vari-focal lens MV03816/8mp/CS IR
High temperature metallurgy, Variable length
Two groups of adjusted pixels make the image quality clearer
Focus: 3.8-16mm,with Unique design, CS-Mount, easy to install.
Vari-focal lens 3 Mega pixels Industrial MV0850/3mp/C
High temperature metallurgy, Variable length
Two groups of adjusted pixels make the image quality clearer
Focus: 8-50mm,with Unique design, C-Mount, easy to install.
Optical Zoom lenses manual iris 3 Mega pixes MV02812/3mp/CS
High temperature metallurgy, Variable length
Two groups of adjusted pixels make the image quality clearer
Focus: 2.8-12mm,with Unique design, C-Mount, easy to install.
Custom Lens Design:
With over 20 years experiences in optical design and security, Fujian Cheng An Digital Technology Co., Ltd have build up professional R&D team, and we can offer customers with unique design customization from conception to prototype and production.
Strength Factory:
Fujian Cheng An Digital Technology Co., Ltd is the main optical lenses manufacturer and suppliers in China. We have more than 20 years manufacturing experience, multi-production lines to guarantee quick delivery.
Here in ChengAn, we have over 2000 Different Lenses in Stock, we can not only offer customers with our on-time delivery, but also our best after sale service. Besides, our engineers team can offer most effective suggestion and our optical design for customers over the world.
For stock products, we will arrange shipping within 1 days after checking payment.
For Bulk orders, we will inform you the detail shipping date after your order.
Lowest Price Guarantee
As a major manufacturer of CCTV security lens on the mainland, ChengAn promise that we will offer most competitive price for customers. Please contact me at once for your interested items.
Returns & Exchanges
ChengAn will inspect strictly to the goods before shipment, which includes products quaity, packing, quantity and etc. In case the quantity arrived is wrong, we will check with shipping agent: UPS, TNT, DHL, FedEx or etc to check the details. ChengAn and Express company will be responsible for the missing goods for customers; In case for products quality, customers send the goods back to us within 10 days after arriving. ChengAn will send the replacement at the soonest possible.