5mm F2.8-F16 Fixed Focal Length Lenses
Price:
Negotiable
MOQ:
1 piece
Delivery Time:
7 work days at the soonest
Brand:
OPT
Product Description
Cobra Series Fixed Focal Length Lenses Focal Length 35mm F2.8-F16 WD 210-∞ 0.06kg OPT-COB3528
Product Features
◆ The F/# aperture is F2.8-F16.
◆ It is designed with low distortion and TV distortion<0.2%
◆ It can support high relative Illuminance and get high evenness image by matched with cameras.
◆ The OPT-COB3528 working distance is 210-∞.
◆ The diameter of image circle :11mm.
◆ The diameter of image circle :11mm.
◆ Filter thread: M27*P0.5.
◆ Cobra series fixed focal length lenses OPT-COB3528 focal length is 35mm.
◆ Back focal length (mm): back focal length is 18.39mm when its working distance is 210mm; back focal length is 12.87mm when its working distance is infinity.
◆ Weight of OPT-COB3528 fixed focal length lens is 0.06kg.
◆ The cobra series fixed focal length lenses' resolution is 2.2µm.
◆ TV distortion is less than 0.2% at working distance of 350mm.
◆ Magnification at MOD is 0.161X at working distance of 210mm.
◆ The chief ray angle is<5°.
Model Explanation
OPT-COB2528
OPT: Brand name
C: C-Mount
OB: Cobra series lenses
25: Focal length: 25mm
28: F#: 2.8
Specifications
| Product Name | Fixed Focal Length Lenses of Cobra Series |
|---|---|
| Model | OPT-COB3528 |
| Focal Length | 35mm |
| Aperture range | From F2.8 to F16 |
| Working Distance(mm) | 210mm-∞ |
| TV Distortion(%) |
Less than 0.2% at working distance of 350mm |
| Back focal length (mm) |
18.39mm when its working distance is 210mm 12.87mm when its working distance is infinity |
| Weight(kg) | 0.06kg |
| Image circle Ø (mm) | 11mm |
| Resolution (µm) |
2.2µm
|
| Chief Ray Angle | Less than 5° |
| Magnification(x) at MOD |
0.161X at working distance of 210mm |
Resolution Comparison

Image taken via Cobra Series Fixed Focal Length Lens Image taken via other lens
Application Examples:
Application Examples:

Barcode recognition
Dimensions (mm)
| OPT-COB3528 | |
|
|
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Company
OPT Machine Vision Tech Co., Ltd.
Location
No. 8, Jinsheng Road, Jinxia Henan Industrial Zone, Chang'an Town, Dongguan, Guangdong, China 523850