Optical clarity,
engineered.
≥98%Transmission
1.41–1.55Refractive Index
-60 to 220°COperating Range
IP68Sealing Grade
From the Shop Floor
Cast, cured, and cut to tolerance — on camera.
Every lens leaves the mould as a raw casting. CNC finishing brings it to spec. Model your own geometry and see it take shape before you request a quote.
Custom Engineering
No catalogue.
Every lens is custom-engineered.
There are no stock products. Every OptiSil lens is made from your specifications — geometry, refractive index, wavelength range, environmental rating. Submit your requirements and receive a full engineering proposal within 5 working days.
Request a Custom Quote →