HB650 red glass

Red mineral glass 650nm longpass filter

Part details

Material :

HB650 red glass

Manufacturing process :

Bulk colored glass, cutting and polishing.

The glass part is annealed after cutting and polishing to remove inner stress and reduce breakage risks.

Dimensions:

Custom dimensions : 28x18mm, thickness 2.5mm

Shape :

Flat rounded rectangle

Optical treatment :

None

Usage :

Red longpass filter : filter out all wavelengths lower than 650nm, and let the red and near infrared go through. Used for LED lighting to let only red light go through.