DONGHWA INDGLOBAL TECHNICAL BUSINESS
Optical Lenses & Filters

Precision optics, to your spec

Sourced across China, Taiwan, Germany — we supply Fused Silica, Sapphire, CaF₂, MgF₂, Ge, ZnSe optics covering UV through IR.
MATERIALS

Materials

Fused Silica
UV – VIS – NIR
Sapphire
UV – IR
CaF₂
Deep UV – MWIR
MgF₂
Deep UV – MWIR
Ge
MWIR – LWIR
ZnSe
VIS – LWIR
BK7
VIS – NIR
Silicon
MWIR
TYPES

Product types

Plane optics — windows, plates, filters
Prisms — right-angle, polarising cube beamsplitters
Spherical/aspheric lenses — collimating, focusing, telecentric, CCTV
Filters — IR bandpass, polarising, custom coatings
PRECISION

Precision specifications

Supporting high-precision specs such as PV λ/20 and Surface Quality 10-5. COC, measurement data, and custom engineering provided on consultation.

PV λ/20SD 10-5COCAR CoatingCustom Filter

Send us your optical drawing

We'll collaborate on material, coatings, tolerance, and delivery — from prototype to production.

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