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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) | 8.88 |
|---|---|
| Diameter Dia (mm) | 4 |
| Center thickness CT (mm) | 1.7 |
| Radius R1 (mm) | 5.17 |
| Focal length EFL (mm) | 10 |
| drawing |  |
| Edge thickness ET (mm) | 1.3 |
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