Lenses
Interference filters
Absoption filters
Infrared Filters
Plastic Filters
Color glass filters
Quartz Windows
Coatings
Neutral density filters
Customized optics
Holography
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Color glass filters

Color glass filters are characterized by their selective absorption in the visible wavelength range. Here they appear colored if their filter effect lies within the visible light spectrum. Depending on the edge position, some of these filters are also blocking filters for the infrared or act as a high-pass filter.

The color glass filters available at Eureca are based on the glass from Schott, whose materials have been used in science as well as in technology for a long time and have become a standard.

Filters are available in various standard sizes and some commonly used mounts. Other customized sizes and the delivery of the filters in customized plug-in or screw mounts are also possible. Please don't hesitate to contact us, if you have interest in this.


Color glass filters / IR blocking filter

Designation Glass type Remarks
FG-BG1-x BG 1 Blue glass
FG-BG12-x BG 12 Blue glass
FG-BG14-x BG 14 Blue glass
FG-BG18-x BG 18 Blue glass
FG-BG23-x BG 23 Blue glass
FG-BG25-x BG 25 Blue glass
FG-BG28-x BG 28 Blue glass
FG-BG38-x BG 38 Blue glass
FG-BG39-x BG 39 Blue glass
FG-BG40-x BG 40 Blue glass
FG-KG3-x KG 3 Heat absorbing glass
FG-KG5-x KG 5 Heat absorbing glass
FG-UG1-x UG 1 Black/Blue glass with transmission in UV
FG-UG11-x UG 11 Black/Blue glass with transmission in UV
FG-UG5-x UG 5 Black/Blue glass with transmission in UV

Color glass filters / IR blocking filter

Designation Glass type Remarks
FG-GG385-x GG 385 Yellow glass
FG-GG395-x GG 395 Yellow glass
FG-GG400-x GG 400 Yellow glass
FG-GG420-x GG420 Yellow glass
FG-GG435-x GG 435 Yellow glass
FG-GG455-x GG 455 Yellow glass
FG-GG475-x GG 475 Yellow glass
FG-GG495-x GG 495 Yellow glass
FG-OG515-x OG 515 Orange glass
FG-OG530-x OG 530 Orange glass
FG-OG550-x OG 550 Orange glass
FG-OG570-x OG 570 Orange glass
FG-OG590-x OG 590 Orange glass
FG-RG610-x RG 610 Red glass
FG-RG630-x RG 630 Red glass
FG-RG645-x RG 645 Red glass
FG-RG665-x RG 665 Red glass
FG-RG695-x RG 695 Red glass
FG-RG715-x RG 715 Red glass
FG-RG780-x RG 780 Red glass
FG-RG830-x RG 830 Black glass with transmission in IR
FG-RG850-x RG 850 Black glass with transmission in IR
FG-RG9-x RG 9 Black glass with transmission in IR
FG-RG1000-x RG 1000 Black glass with transmission in IR
FG-WG320-x WG320 White glass with transmissionen in UV
FG-WG335-x WG335 White glass with transmissionen in UV
FG-WG360-x WG360 White glass with transmissionen in UV


When placing a request or order, please replace the "x" in the table above by the order code for the needed size:


Order code Size or Mount Clear aperture
15 15.0mm round ≥ 12mm round
25 25.0mm round ≥ 22mm round
50 50.0mm round ≥ 49mm round
50x50 50.0x50.0mm square ≥ 49x49mm square
C-Mount C-Mount 25mm ≥ 21mm round
M25.5x0.5 M25.5x0.5 ≥ 21.9mm round
M27.5x0.5 M27.5x0.5 ≥ 22.3mm round
M30x0.5 M30x0.5 ≥ 26.5mm round
M35.5x0.5 M35.5x0.5 ≥ 32.1mm round
M37x0.5 M37x0.5 ≥ 33.2mm round
M39x0.5 M39x0.5 ≥ 35.1mm round
M40.5x0.5 M40.5x0.5 ≥ 36.2mm round
M43x0.75 M43x0.75 ≥ 39.4mm round
M46x0.75 M46x0.75 ≥ 42.3mm round
M49x0.75 M49x0.75 ≥ 45.2mm round
M52x0.75 M52x0.75 ≥ 48.0mm round

Example: FG-BG1-25 is the correct order designation for the first filter of the first table with a size of 25.0mm round.



Page updated at: 07/24/2015