Optical lenses
Your lenses, your quality, cheaper
SINOPTIX is the best solution for many companies to provide high quality low price lenses. As you may see in below SINOPTIX lenses projects, we can provide a wide range of solutions, based on your design.
Lens manufacturing capabilities
Spherical lenses
Manufacturing
Spherical lenses can be manufactured per different processes:
– Moulded and polished (for big quantities)
– Mechanical grinding and polishing
– NC grinding and polishing (high surface request lenses)
Different shape can be provided:
– Plano-convex lenses
– Plano-concave lenses
– Bi-convex lenses
– Bi-concave lenses
Specifications
SINOPTIX offers most of the optical glass available on the market:
– B270
– N-KB7 / HK9L
– SCHOTT / CDGM / CORNING / OHARA optical glasses
– Fused Silica (JGS1 / JGS2 / JGS3)
– Borosilicate
– Zerodur®
– IR materials : Ge / Si / CaF2 / MgF2 / BaF2 / ZnSe / ZnS
Lens quality depends on their size, material and complexity. Below some specifications that can be achieved just for references:
| SIZE | up to Diam 350mm |
|---|---|
| TRANSMISSION | high transmission from UV to far infrared |
| SCRATCH & DIG | 10-5 |
| SURFACE IRREGULARITY | λ/10 |
| DIMENSIONAL TOLERANCES | up to +/- 0,01mm |
| CLEAR APERTURE | 90 to 95% |
| CENTERING | better than 3 arcmin |
| COATINGS | Custom coatings available on request |
Lens quality control
To ensure the quality of our lens before expedition a 100% inspection is made by SINOPTIX own QC. Control may include:
– Aspect (scratch & dig)
– Dimensions
– Radius of curvature
– Surface quality (interferometer)
– Transmission
– Focal length measurement
– Sag (profilometer – see below video example)