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Lens Manufacturing

Precision
Optics,
Engineered
in India.

ITAR-compliant. ISO-certified. Vertically integrated design-to-release optical manufacturing — components, coatings, and assemblies for the world's most demanding applications.

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ITAR Compliant ISO Certified MIL-PRF-13830B Make in India

Precision Optics Manufacturing

Lenses, prisms, windows & mirrors — Schott, CDGM, Fused Silica, Germanium, ZnSe, Sapphire and more, to λ/20 surface figure.

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Advanced Thin-Film Coatings

AR, HR, BBAR, V-Coat, ITO, dichroic — E-beam and thermal sputtering, 190nm–5000nm, MIL-SPEC durability tested.

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Opto-Mechanical Assembly

Ruggedized lens cells, defense housings, IP67/68 sealed sub-assemblies — titanium, invar, aerospace aluminium.

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Design, Prototyping & Metrology

Zemax & SolidWorks DFM, Fast Prototype, interferometry, CMM, spectrophotometry — every part leaves with a CoC.

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Submit Your Specification

Your print. Your STEP model.
Our precision.

We seamlessly blend state-of-the-art infrastructure with deep technical acumen to turn complex designs into high-yield, repeatable hardware.

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ENGINEERING PHILOSOPHY

Design-to-Release:
A Precision-First
Infrastructure.

Doon Optical Design-to-Release workflow
Technical Integration

Seamless engineering.
Zero handoffs.

At Doon Optical, we believe the highest quality is achieved when the designer and manufacturer speak the same technical language. Our Design-to-Release framework integrates Zemax-level optical modeling directly with our production floor, eliminating the latency between conceptual design and validated hardware.

By consolidating precision polishing, advanced thin-film deposition, and opto-mechanical assembly under one roof, we provide total metrology traceability for the most demanding Defense, Aerospace, and Scientific applications — proudly engineered and manufactured in India.

Differentiators

What makes us
different.

Quality Culture

Stringent tracking, absolute adherence to international engineering tolerances, and end-to-end testing metrics. Every part ships with a Certificate of Conformance and full metrology trace.

Prototyping

Dedicated tooling lanes move specification to physical benchmark within days. Our iterative DFM cycle eliminates latency between optical design and validated hardware.

Vertical Integration

Glass shaping, polishing, thin-film deposition, precision machining, and final system integration — entirely in-house. One supplier. Zero handoffs. Total traceability.

Sub-Nanometer Metrology

High-aperture laser interferometers, CMMs, UV-VIS-IR dual-beam spectrophotometers, and multi-axis autocollimators — every element validated at the precision the spec demands.

Defense-Grade Compliance

ITAR registered, MIL-PRF-13830B surface quality, and full MIL-SPEC coating durability — salt fog, humidity cycling, and thermal soak as standard.

India-Based Cost Advantage

Tier-one engineering quality at India-based economics. Purpose-built for global OEMs optimising their precision optics supply chain without compromising specification or compliance.

Our Commitment

On Time. On Budget.
On Target.

Every engagement — prototype or production run — is governed by the same operational discipline. We don't ship surprises.

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Full-Spectrum Manufacturing

Every substrate.
Every spectrum.
Every tolerance.

We process a massive footprint of optical substrates and deliver components to the tightest international tolerances — from single prototypes to high-volume production.

Schott / Ohara / CDGM Fused Silica Quartz Silicon Germanium ZnSe Sapphire Laser-Grade Crystals
Component Manufacturing

Precision Flat &
Spherical Optics

Manufactured to MIL-PRF-13830B standards — for laser, defense, scientific, and medical instrument applications where surface quality cannot be compromised.

Lenses

Singlets, Doublets, Triplets, Achromats, Meniscus & Cylindrical profiles across UV–IR spectral bands.

Windows & Mirrors

High-parallelism windows, front-surface wedge mirrors, and precision beam splitters.

Prisms

Right-angle, Roof (Amici), Penta, Dove, Corner Cubes and fully custom configurations.

Technical Tolerances

Per MIL-PRF-13830B and international optical engineering standards

ParameterSpecification
Dimensional Tolerance± 0.010 mm
Center Thickness Tolerance± 0.015 mm
Surface Quality (Scratch-Dig)20-10 to 80-50 per MIL-PRF-13830B
Surface Figure / IrregularityUp to λ/20 P-V @ 632.8 nm
Centration / Beam Deviation (Lenses)< 30 arc seconds
Centration — High-Precision Prisms< 5 arc seconds
Parallelism — Critical Windows< 2 arc seconds
Clear Aperture> 95% of central diameter
Thin-Film & ITO Coatings

Advanced Coating
Technology

E-beam evaporation and advanced thermal sputtering — spanning UV to MWIR (190 nm – 5000 nm). Every coating tested to full MIL-SPEC environmental durability.

BBAR Broadband AR
R < 0.25%

Broadband anti-reflective for wide operating bands — multi-element instruments systems.

V-Coat Laser AR
R < 0.1%

Optimised for specific laser wavelengths — high-power and pulsed laser systems.

266 nm 355 nm 532 nm 1064 nm
High-Reflective Mirrors
R > 99.8%

Dielectric & metallic — Protected/Enhanced Gold, Silver, Aluminum coating.

ITO Conductive Coatings
5–150 Ω

EMI/RFI shielding, ESD dissipation, de-icing and display windows. Transmission >85–92% in VIS/NIR.

Filters & Beam Splitters
Custom λ

Dichroic, bandpass, edge filters, and polarizing / non-polarizing beam splitter coatings.

Environmental Durability
MIL-SPEC

Salt fog, humidity cycling, thermal soak per MIL-M-13508C, MIL-F-14861, MIL-C-48497A.

Systems Integration

Opto-Mechanical
Assembly

Bridging raw optical elements to ruggedized structural enclosures. We design, manufacture, and integrate high-precision mechanics to deliver drop-in, field-ready optical modules.

Precision opto-mechanical assembly with aerospace-grade housing

Core Assembly Competencies

  • Multi-element lens cell configurations, ruggedized housing assemblies and objective sub-assemblies for defense payloads
  • Aerospace-grade Aluminum 6061-T6 & 7075-T6, Stainless Steel, Titanium, and Invar for ultra-low thermal expansion environments
  • Micro-pitch internal threads (0.5 mm pitch or finer), hard-anodized barrels, cleanroom-grade low-outgassing Mil-spec epoxies
  • Sub-micron optical axis alignment using automated electronic autocollimators and precision alignment benches
  • IP67 / IP68 rated sub-assemblies, nitrogen purging, and hermetic sealing — eliminates internal fogging and moisture ingress in field conditions
Design & Validation

Prototyping &
Metrology

Dedicated rapid prototyping lanes and a rigorous quality infrastructure — Zemax & SolidWorks DFM consulting, sub-nanometer interferometry, and full metrology trace on every shipment.

Laser Interferometry

High-aperture interferometers for sub-nanometer wavefront validation — surface figure to λ/20 P-V.

Spectrophotometry

Dual-beam UV-VIS-IR spectrophotometers — precise transmission, reflection and absorption curves.

CMM Inspection

Coordinate Measuring Machines for complete dimensional verification of every critical feature.

Autocollimators

Multi-axis electronic autocollimators and non-contact toolmaker microscopes for angular metrology.

Zemax / SolidWorks DFM

In-house optical and mechanical consulting — tolerance refinement before a single piece of glass is touched.

Submit Your Specification
Engineering Desk

Let's build
something
precise.

Submit your print, STEP model or custom optical specification — our engineering team responds within one business day.

Get in touch

Address
323, MI New Camp Road, Selaqui
Dehradun – 248197, Uttarakhand, India
VIEW ON GOOGLE MAPS — SELAQUI, DEHRADUN

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Why Partner With Us

Global quality.
India-based economics.

We blend state-of-the-art infrastructure with deep technical acumen to turn complex designs into high-yield, repeatable hardware.

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Manufacturing Gallery

Precision
at work.

From raw substrate to field-ready assembly — a visual record of the processes and standards that define Doon Optical.