Dolphin 20M Series C-Mount F2.8 12mm Fixed Focal Length Lenses 0.21kg
Price:
Negotiable
MOQ:
1 piece
Delivery Time:
7 work days at the soonest
Brand:
OPT
Product Description
Focal Length 12mm Dolphin 20M Series Fixed Focal Length Lenses F2.8-16 WD 100-∞ 0.21kg OPT-CDP1228
Product Features
◆ The F/# aperture is F2.8-F16.
◆ High resolution: 208 lp/mm resolution; suitable for cameras of ≥2.4μm pixel size and ≤1.1" (Ø17.6mm) sensor format.
◆ Wide spectrum range: Compatible with VIS and NIR (400 - 1000nm).
◆ Low distortion: TV distortion <0.2% (The TV distortion of OPT-CDP1228 <0.85%@WD300, OPT-CDP1628 <0.41%@WD300.)
◆ High Relative Illumination: CRA Below 5°, this guarantees a high relative illumination across the entire image without vignetting.
◆ The OPT-CDP1228 working distance is 100-∞.
◆ The diameter of image circle :17.6mm.
◆ The diameter of image circle :17.6mm.
◆ Filter thread: M40*P0.5.
◆ Dolphin 20M series fixed focal length lenses OPT-CDP1228 focal length is 12mm.
◆ Back focal length (mm): back focal length is 13.40mm when its working distance is 100mm; back focal length is 11.79mm when its working distance is infinity.
◆ Weight of OPT-CDP1228 fixed focal length lens is 0.21kg.
◆ The cobra series fixed focal length lenses' resolution is 2.2µm.
◆ TV distortion is less than 0.85% at working distance of 300mm.
◆ Magnification at MOD is 0.101X at working distance of 100mm.
◆ The chief ray angle is less than 3.8°.
◆ Resolution of lens is 2.4µm.
Model Explanation
OPT-CDP1228
OPT: Brand name
C: C-Mount
DP: Dolphin series fixed focal length lenses
12: Focal length: 12mm
28: F#: 2.8
Specifications
| Product Name | Dolphin 20M Series Fixed Focal Length Lenses |
|---|---|
| Model | OPT-CDP1228 |
| Focal Length | 12mm |
| Aperture range | From F2.8 to F16 |
| Working Distance(mm) | 100mm-∞ |
| TV Distortion(%) |
Less than 0.85% at working distance of 300mm |
| Back focal length (mm) |
13.40mm when its working distance is 100mm 11.79mm when its working distance is infinity |
| Weight(kg) | 0.21kg |
| Image circle Ø (mm) | 17.6mm |
| Resolution (µm) |
2.4µm
|
| Chief Ray Angle | Less than 3.8° |
| Magnification(x) at MOD |
0.101X at working distance of 100mm |
Resolution Comparison

Image taken via CDP lens Image taken via other lens
Application Examples:
Application Examples:

IC character detection
Dimensions (mm)
| OPT-CDP1228 | |
|
|
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
OPT Machine Vision Tech Co., Ltd.
Location
No. 8, Jinsheng Road, Jinxia Henan Industrial Zone, Chang'an Town, Dongguan, Guangdong, China 523850