While cutting off the UV and IR light and passing the visible light, it will reduce the temperature from the light source and avoid the harmful effect to the optical components because of the UV and IR light.

Commonly applied to Cold Light Source, Stage Light and projector etc. Also named Heat blocker Lens.

Incidence Angle-----0°

Substrate------------BK7, Float glass, B270, Borofloat33

Advantage-----------Thin Film by e-gun Evaporation Assisted with Ion Source, very little coating drift.

Spectrum Characteristic 

200~400nm--------Tave<1%

410±5nm-----------T=50%

420~710nm--------Tave>93%

Tave>96%---------(rear surface with AR coating)

730±10-------------T=50%

740~950nm--------Tave<1%

(The final detailed specifications are customized or suggested by Lenoptec. )

Products Include:

●Acrylic Filter

●Dichroic Filter

●Beam Splitter

●Reflective Coating

●Interference Filter

●Waterproof and dustproof coating

●AR coating

●UV-IR Blocker