Own manufacture of high precision glass lenses, prisms in variety of optical glasses, optical design service also available
The Lensel glass optics manufacturing facility is well suited for high quality, small and medium sized production runs varying from very high quality single unit requirements (such as large λ/10 windows) to medium sized lots of 500 to 5000 lenses.
We routinely supply glass optical lenses to the following specifications:
Material | Optical Glasses of all types (Schott, Pilkington & China), float glass, pyrex, Fused Silica, Quartz, ZnSe, BaF2 etc | ||
Diameter | 4 mm to 250 mm. | ||
Optical Surface | Spherical, aspheric, parabolic | ||
Precision | Commercial | High Precision | |
Diameter | ± 0.10 mm | ± 0.05 mm | |
Thickness | ± 0.10 mm | ± 0.04 mm | |
Centering | ± 3 arc min | ± 1 arc min | |
Focal Length | ± 2 % | ± 0.5 % | |
Scratch / Dig | 60 / 40 | 20 / 10 | |
Surface Figure | 5 fringe / 1 Irr | λ/10 |