Ross now offers plano-concave micro optics down to 1 mm. With one flat surface and one concave surface, they are used to diverge incoming light, or to increase focal length in an existing optical system.
Below are our standard specifications.
Don't see what you need? Request custom optics.
| Diameter | Dia. Tolerance | CT Tolerance | Centering | Irregularity | Surface Quality | Bevel |
| 1.00-4.00 | +0.00 / -0.10 | ±0.1 | < 5 minutes | 0.5 Waves | 40-20 | 0.25 x 45° |
| Dimensions | MM | |||||
| Clear Aperture | CA >= 90% of Diameter | |||||
| Coating | Uncoated, Specify your coating (See Coating Chart for Available Options) | |||||
| Design Wavelength | 587.6nm | |||||
| Focal Length Tolerance | ±2% | |||||
| Edge Thickness | Reference | |||||
| * All dimensions are in mm | ||||||