A comprehensive range of prisms are available in stock or to order. Optical prisms can be made to a ‘high precision’ or to ‘commercial’ standard. A full range of coatings are also available to meet a wide range of applications.


Commercial Precision High Precision
Dimensions 10 -200mm 10 – 150mm 10-150mm
Dimensional Tolerance ±0.25mm ±0.1mm ±0.05mm
Irregularity (P-V) ΔN=1 ΔN=0.5 ΔN=0.3
Angle Accuracy ±3 arcmin ±1 arcmin ±30 arcsecond
Pyramidal Accuracy ±3 arcmin ±1 arcmin ±5 arcsecond
Bevel (Face Width @ 45°) ±0.2mm ±0.1mm ±0.05mm
Surface Quality (Scratch-Dig) 60-40 40-20 10-5
Prism Coating Capabilities
Substrates All Glass Types
Spectral Ranges 300~3000nm
Spectral Edge Tolerance <1% Deviation, <0.2% Special Cases
Bandwidth 1nm – Broadband
AR Coating Transmission >99%
Reflection 0.1 – 99.9%
Polarisation (S:P) 10000:1
Laser Damage Threshold Up to 20 J/cm@ 20ns Pulses
Durability MIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1