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Qiulai Technology Co., Ltd
KL13-006-010 K9 flat concave lens
NegotiableUpdate on 02/23
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Overview
Diameter: 6.3mm; Focal length:- 10mm
Product Details
overview
Material: Fine annealed K9 optical glass
Design wavelength: 587.6nm
Diameter error:+ 0.0/-0.1mm
Center thickness error: ± 0.2mm
Irregular surface shape: wavelength/4 @ 632.8nm
Focal length error (EFL): ± 2%
Lens centering error: 3 points
Surface smoothness: 3-4 levels
Inverted edge: 0.2mmX45 °
Coating: see coating list
specifications
| Back focus BFL (mm) | -11 |
|---|---|
| Diameter Dia (mm) | 6.3 |
| Center thickness CT (mm) | 1.5 |
| Radius R1 (mm) | -5.17 |
| Focal length EFL (mm) | -10 |
| drawing |
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| Edge thickness ET (mm) | 2.57 |
