Chinese
KL17-040-050 Barrel (Drum) Lenses
Diameter:4mm; focallength:3.67mm
Delivery Time : 2-3 weeks
US$38.71
In stock
SKU
KL228
Material:K9 Precision Annealedoptical glass
Design Wavelength:587.6nm
Diameter Tolerance:+0.0/- 0.05mm
Center Thickness Tolerance（L）:±0.005mm
Surace Figure:λ/4 @632.8nm
Surface Quality:2~3 level
Coatings:Please see the coating list
| Drawing |  |
|---|---|
| Diameter Dia(mm) | 4 |
| Effective focal length EFL(mm) | 3.67 |
| Back Focus length BFL(mm) | 1.17 |
| Center Thickness CT(mm) | 5 |
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