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Heat Absorbing Filters

These slightly bluish glass filters feature high transmittance in the visible region and good absorption of heat rays (infrared rays).

The latter efficiently absorb thermal radiations emitted from a light source, and so are highly effective when employed for slide projectors and a variety of illumination equipment.

Note: "Strengthened glass," produced by tempering processes, may also be supplied to minimize the cracking of filter glass due to thermal shock.

HA-15
HA-30
HA-50
15% Absorbing heat radiation
30% Absorbing heat radiation
50% Absorbing heat radiation
3.0 mm
3.0 mm
3.0 mm