Customized
Optical Prisms
Engineered for beam deviation, dispersion, image rotation, and polarization control. Winson delivers precision prisms in glass, sapphire, and specialty optical materials -- from prototype to mass production.
Angular accuracy to ±3 arc-seconds. Surface flatness λ/10. AR, HR, and beamsplitter coatings available in-house.
Arc-seconds
Wavefront
Manufacturing
Prism Types We Manufacture
From standard geometries to complex multi-element assemblies, our optical engineers work directly from your drawings or functional requirements.
Right-Angle Prisms
90° beam deflection and image inversion. Widely used in laser alignment, periscopes, and imaging systems. Available in N-BK7, UV fused silica, and CaF₂.
- Hypotenuse: 5mm - 150mm
- Angular tolerance: ±3 arc-sec
- AR coating: R<0.5% per surface
Porro Prisms
Classic image-erecting prisms for binoculars, rangefinders, and surveying instruments. Paired configurations deliver 180° image inversion with minimal aberration.
- Leg dimensions: 10mm - 80mm
- Surface quality: 20-10 S-D
- Matched pair tolerancing available
Beamsplitter Prisms
Cube and plate beamsplitters for interferometry, OCT, and machine vision. Polarizing (PBS) and non-polarizing variants with custom R:T ratios.
- Cube size: 5mm - 50mm
- Split ratio: 10:90 to 50:50
- Extinction ratio: >1000:1 (PBS)
Roof (Amici) Prisms
90° beam deviation with left-right image correction. Essential for compact terrestrial telescopes, spotting scopes, and medical endoscopes. Roof angle tolerance ±1 arc-sec.
- Roof angle: ±1 arc-second
- Clear aperture: >85%
- HR silver or aluminum coating
Dispersing Prisms
Equilateral and Littrow prisms for spectroscopy, wavelength selection, and laser line tuning. High-dispersion glass grades available. Custom apex angles on request.
- Apex angle: ±2 arc-min
- Glass: SF11, N-F2, N-SF6
- Uncoated or MgF₂ AR
Custom Geometry Prisms
Dove, Abbe-König, Schmidt, pentaprisms, and fully bespoke geometries. Submit your 2D drawing or 3D model -- our team will evaluate feasibility within 24 hours.
- DXF / STEP / PDF accepted
- Tolerancing to ISO 10110
- NRE waived for volume orders
Manufacturing Specifications
Every prism undergoes 100% inspection with calibrated interferometers and autocollimators before shipment.
Optical Specifications
| Angular Accuracy | ±3 arc-seconds (standard) ±1 arc-sec (precision grade) |
| Surface Flatness | λ/10 @ 632.8nm |
| Surface Quality | 20-10 Scratch-Dig 10-5 on request |
| Clear Aperture | >90% of dimension |
| Wavefront Error | λ/4 (standard) · λ/10 (precision) |
| Transmitted Wavefront | λ/8 @ 632.8nm |
Physical & Material Parameters
| Dimensional Tolerance | ±0.05mm (standard) ±0.01mm (precision) |
| Glass Materials | N-BK7, N-SF11, Fused Silica, CaF₂, ZnSe, Sapphire |
| Size Range | 3mm - 200mm |
| Coating Options | AR, HR, PBS, BBAR, Metallic |
| Spectral Range | 193nm - 5µm (material-dependent) |
| Chamfer / Edge | 0.2mm - 0.5mm (protective) |
Single-band or BBAR
Dielectric or metallic
Tp >95%, Rs >99.9%
per customer spec
Where Our Prisms Perform
Trusted by OEM manufacturers, research labs, and defense contractors across North America and Europe.
Medical & Life Sciences
Endoscopes, OCT systems, fundus cameras, and fluorescence microscopes. Biocompatible coatings and cleanroom assembly available.
Laser & Photonics
Beam steering, pulse compression, wavelength tuning, and interferometry. High-damage-threshold coatings for pulsed and CW laser systems.
Defense & Aerospace
Night-vision, rangefinders, HUD optics, and targeting systems. Ruggedized designs with MIL-spec coating durability testing.
Semiconductor Inspection
Wafer inspection, lithography, and metrology tools. UV-grade fused silica prisms with sub-nanometer surface roughness for DUV applications.
Surveying & Metrology
Total stations, theodolites, and laser trackers. Porro and pentaprism assemblies with matched pair tolerancing and calibration reports.
Machine Vision & AI Inspection
Beamsplitter cubes and telecentric prism assemblies for 3D scanning, structured light, and stereo imaging in automated production lines.
A Factory That Thinks
Like Your Procurement Team
Founded on 15 years of precision manufacturing and enriched by 12 years of professional sourcing experience, Winson eliminates the "uncertainty" that plagues B2B optical supply chains.
100% Inspection Protocol
Every prism is measured with calibrated interferometers and autocollimators. Full inspection reports shipped with every order -- no sampling shortcuts.
Engineering-First Collaboration
Submit DXF, STEP, or PDF drawings. Our optical engineers review tolerancing and coating feasibility before you commit to tooling -- saving months of costly rework.
Supply Chain Transparency
Material certificates, process traceability, and real-time production updates. You always know where your order stands -- because we've been on your side of the table.
Dedicated Account Management
English-speaking project managers in your time zone. One contact from RFQ to delivery -- no lost-in-translation delays or handoff chaos.
From Drawing to Delivery
A transparent, milestone-driven process designed to eliminate procurement uncertainty at every step.
Submit RFQ
Send drawings (DXF/STEP/PDF), quantity, and target specs. We accept incomplete specs -- our engineers fill the gaps.
Engineering Review
Within 24 hours, our optical engineers assess feasibility, suggest material/coating optimizations, and confirm tolerances.
Prototype
7-14 day prototype turnaround with full inspection report. Iterate on design before committing to production tooling.
Mass Production
Cleanroom grinding, polishing, and coating with 100% in-process QC. Real-time production status updates.
Delivery & Support
Precision-packed with full CoC, material certs, and inspection data. Ongoing technical support for lifecycle management.
Common Questions
Answers to what Purchasing Managers and R&D Engineers ask most.
What is the minimum order quantity (MOQ) for custom prisms?
Can you manufacture to ISO 10110 drawing standards?
What quality documentation is provided with each shipment?
How do you handle NDA and IP protection for proprietary designs?
What is the typical lead time for production orders?
Do you support sapphire prisms for harsh-environment applications?
Trusted by Engineers Worldwide
What our B2B clients say about working with Winson Optics
"The angular accuracy on our beamsplitter cubes was ±2 arc-seconds -- better than spec. The interferogram reports gave our QA team everything they needed. We've switched all our prism sourcing to Winson."
"As a procurement manager, what I value most is predictability. Winson sends production photos, inspection milestones, and shipping updates without me asking. First supplier that actually reduced my workload."
"We needed Dove prisms with a very tight transmitted wavefront spec for a laser rotation application. Winson's engineers suggested a better glass grade and got us to λ/8 TWF -- something two other suppliers said was impossible."
Start Your Prism
Project Today
Our optical engineers respond within 24 hours with technical feasibility, material recommendations, and a transparent price estimate -- no obligation.
Prefer to talk to an engineer directly?
We're available via email for technical pre-sales discussions.