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KL16-12x10-040 K9 flat concave cylindrical lens
Diameter: 12.0x10.0mm; Focal length:- 40mm
Product details
summary
Material: Fine annealed K9 optical glass
Design wavelength: 587.6nm
Dimensional error:+ 0/-0.1mm
Center thickness error: ± 0.2mm
Focal length error (EFL): ± 2%
Lens centering error: 3-5 points
Surface smoothness: 3-4 levels
Inverted edge: 0.2mmX45°
Coating: see coating list
Specifications
| X x Y (mm) | 12.0x10.0 |
|---|---|
| Back focus BFL (mm) | -41.3 |
| drawing |  |
| Center thickness CT (mm) | 2 |
| Radius R1 (mm) | -20.68 |
| Focal length EFL (mm) | -40 |
| Edge thickness ET (mm) | 2.61 |
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