English 
Arabic 
Bulgarian 
Chinese 
Czech 
Danish 
Dutch 
Estonian 
Finnish 
French 
Greek 
German 
Hungarian 
Indonesian 
Italian 
Japanese 
Korean 
Latvian 
Lithuanian 
Polish 
Portuguese 
Romanian 
Russian 
Slovak 
Slovenian 
Spanish 
Swedish 
Turkish 
Ukrainian 
M12 Lens 2.8mm 1/2.7″ 137 Degree for Security CCTV Camera
The wide-angle CCTV lens was meticulously engineered to provide expansive coverage in surveillance applications. With its 2.8mm focal length and 113-degree horizontal field of view (HFOV), this lens offers an expansive perspective, capturing more of the scene with unparalleled detail.
Designed for compatibility with 1/2.7” image format sensors, this lens ensures optimal performance and precise imaging, delivering sharpness and clarity across the entire frame. Whether monitoring indoor spaces or outdoor environments, it offers comprehensive coverage, minimizing blind spots and enhancing surveillance capabilities.
$4.00
Product Description
| Model | CH231A | Chief Ray Angle | <9.7° |
| Resolution | MP | M.O.D | 0.1m~∞ |
| Image Format | 1/2.7″ | Mount Type | M12*P0.5 |
| Image Circle | ф6.75mm(MAX) | Dimension Figure | ф14.0*L17.81mm |
| EFL | 2.8mm | Lens Structure | 4G |
| TTL | 21.97mm | IR-Filter | IR650nm |
| F/NO. | 2.0 | Waterproof | No |
| FFL（M) | 4.16mm | Weight | 7.1g |
| BFL（O) | 5.65mm | Iris Operation | Fixed |
| For Sensor | OV2710 | Zoom Operation | Fixed |
| F.O.V（H*V*D） | 113º*58º*137º | Focus Operation | Manual |
| TV Distortion | <-12%(H) | Operating Temperature | -20° ~+85° |
| Relative Ill. | >45% | Storage Temperature | -20° ~+85° |
Payment
Payment can be made by the following methods: credit card and PayPal.
We will debit the payment from your chosen method of payment at the time we receive your order, and have checked your account details.
No payment shall be deemed received until we have received cleared funds. In the event that we dispatch goods to you before receiving payment, title in those goods shall be retained by us until we receive full payment in cleared funds from you.
Delivery
How long it will take for shipping?
DHL Express (recommended): $45/Order. It takes 3-5 workdays usually from China to your destination.
Yun Express: Free shipping for order over $50. It takes 7-15 days usually from China to your destination.
All Products are shipped under FOB or EXW terms, unless otherwise specified.
When will you ship my order out?
Estimated delivery time: 3-5 workdays.
Delivery delays can occasionally occur.
ChuangAn Optics is not responsible for any customs and taxes applied to your order. All fees imposed during or after shipping are the responsibility of the customer.
About US
Founded in 2010, Fuzhou ChuangAn Optics is a leading company in manufacturing innovative and superior products for the vision world, such as CCTV lens, fisheye lens, sports camera lens, non distortion lens, automotive lens, machine vision lens, etc., also providing customized service and solutions. Keep innovation and creativity is our development concepts. Researching members at our company has been striving for developing the new products with over years of technical know-how, along with the strict quality management.We strive to achieve win-win strategy for our customers and end-users.
Inspection workshop
Production workshop
Why Choose Us
We are specialized in R&D and design for 10 years.We have independently developed and designed more than 500 kinds of optical lenses.Our products are exported to more than 50 countries and regions.
| Sensor Format | 1/2.7" |
|---|---|
| Focal Length | 2.8mm |
| F.O.V | 113º*58º*137º |
| Aperture | F2.0 |
| Mount | M12x0.5 |
| Filter | NO IR Filter, IR650nm, BP850nm, BP940nm, IR650nm-850nm/DN, IR650nm-940nm/DN |
