Chinese
KL18-004 Ball Lenses
Diameter:4mm; focallength:2.93mm
Delivery Time : 2-3 weeks
US$19.85
In stock
SKU
KL232
Material:K9 Precision Annealedoptical glass
Design Wavelength:587.6nm
Diameter Tolerance:+/- 0.005mm
Sphericity:±0.003mm
Surace Figure:λ/4 @632.8nm
Surface Quality:3~4 level
Coatings:Without coating
| Drawing |  |
|---|---|
| Diameter Dia(mm) | 4 |
| Effective focal length EFL(mm) | 2.93 |
| Back Focus length BFL(mm) | 0.93 |
Write Your Own Review