WD 250-∞ Focal Length 50mm Dolphin 20M Series Fixed Focal Length Lenses F2.8-16 0.17kg OPT-CDP5028
Product Features
◆ The F/# aperture is F2.8-F16.
◆ Designed with 208 lp/mm high resolution and suitable for cameras of ≥2.4μm pixel size and ≤1.1" (Ø17.6mm) sensor format.
◆ Spectrum range is wide and compatible with VIS and NIR (400 - 1000nm).
◆ The TV distortion is less than 0.2% (The TV distortion of OPT-CDP1228 <0.85%@WD300, OPT-CDP1628 <0.41%@WD300.)
◆ The lens is featured with high relative illumination: CRA Below 5°, this guarantees a high relative illumination across the entire image without vignetting.
◆ The OPT-CDP5028 working distance is 250-∞.
◆ The image circle is 17.6mm(diameter).
◆ Filter thread is M32.5*P0.5.
◆ OPT-CDP5028 dolphin 20M series fixed focal length lenses focal length is 50mm.
◆ Back focal length (mm): back focal length is 13.05mm.
◆ Weight of OPT-CDP5028 fixed focal length lens is 0.17kg.
◆ The resolution of dolphin series fixed focal length lenses is 2.4µm.
◆ TV distortion is less than 0.13% at working distance of 300mm.
◆ Magnification at MOD is 0.206X at working distance of 250mm.
◆ The chief ray angle is less than 3.64°.
Model Explanation
OPT-CDP5028
OPT: Brand name
C: C-Mount
DP: Dolphin series fixed focal length lenses
50: Focal length: 50mm
28: F#: 2.8
Specifications
| Product Name | Fixed Focal Length Lenses of 20M Dolphin Series |
| Model | OPT-CDP28 |
| Focal Length | 50mm |
| Aperture range | F2.8-F16 |
| Working Distance(mm) | 250-∞ |
| TV Distortion(%) | Less than 0.13% at working distance of 300mm |
| Back focal length (mm) | 13.05mm |
| Weight(kg) | 0.17kg |
| Image circle Ø (mm) | 17.6mm |
| Resolution (µm) | 2.4µm |
| Chief Ray Angle | <3.64° |
| Magnification(x) at MOD | 0.206X at working distance of 250mm |
Resolution Comparison
Image taken via CDP lens Image taken via other lens
Application Examples:
Mobile phone shell character recognition
Dimensions (mm)
| OPT-CDP5028 |
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