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.
◆ 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:
IC character detection
Dimensions (mm)
| OPT-CDP1228 |
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