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Qiulai Technology Co., Ltd
KL17-020-030 K9 drum lens
NegotiableUpdate on 03/18
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Overview
Diameter: 2mm; Focal length: 2.2mm
Product Details
summary
Material: Fine annealed K9 optical glass
Design wavelength: 587.6nm
Diameter error:+ 0.0/- 0.05mm
Center thickness error (L): ± 0.005mm
Irregular surface shape: wavelength/4 @ 632.8nm
Surface smoothness: 2-3 levels
Coating: see coating list
Specifications
| Back focus BFL (mm) | 0.7 |
|---|---|
| Center thickness CT (mm) | 3 |
| Focal length EFL (mm) | 2.2 |
| drawing |
|
| Diameter Dia (mm) | 2 |
