Longpass Filter, Colored Glass, 50.8 x 50.8 mm, 420 nm Cut-on, GG420 Glass

The FSQ-GG420 Colored Glass Longpass Filter is a 50.8 x 50.8 mm square, 420 nm cut-on optical filter made of Schott GG420 filter glass. This long-wave pass edge filter is precision polished for demanding research or OEM applications.

Specifications

Technical Specs

Type
Colored Glass Longpass Filter
Optic Size
50.8 x 50.8 mm
Cut-on Wavelength
420 nm
Angle of Incidence
0°
Material
Schott GG420 or equivalent
Thickness Tolerance
±0.1 mm
Surface Flatness
≤2λ at 632.8 nm over the clear aperture
Thickness
2.0 to 3.0 mm, typical

Size Tolerance
±0.3 mm
Clear Aperture
central ≥ 80% of area
Chamfers
Up to 1 mm face width
Cleaning
See How to Clean Optics
Damage Threshold
30 W/cm² CW, Typical
Wedge
≤3 arc min
Chamfers Angle Tolerance
45° ±15°

Type
Colored Glass Longpass Filter
Optic Size
50.8 x 50.8 mm
Cut-on Wavelength
420 nm
Angle of Incidence
0°
Material
Schott GG420 or equivalent
Thickness Tolerance
±0.1 mm
Surface Flatness
≤2λ at 632.8 nm over the clear aperture
Thickness
2.0 to 3.0 mm, typical

Size Tolerance
±0.3 mm
Clear Aperture
central ≥ 80% of area
Chamfers
Up to 1 mm face width
Cleaning
See How to Clean Optics
Damage Threshold
30 W/cm² CW, Typical
Wedge
≤3 arc min
Chamfers Angle Tolerance
45° ±15°

Resources & Downloads

3D Product Models

2D Product Drawings

COLOREDG-S(61 kB, PDF)

Other

FSQ-GG420_ROHS2-2021_w_ex.pdf(280.1 kB, PDF)

Related Products

Similar

Description	Compatibility
Bandpass Filter, 25.4 mm, 420±2 nm Center, 10±2 nm FWHM	UNIVERSAL	Learn More
Longpass Filter, Colored-Glass Alternative, 25.4 mm, 420 nm Cut-on	UNIVERSAL	Learn More
Longpass Filter, Dielectric, 25.4 mm, 400 ± 5 nm Cut-On, 410 - 1200 nm	UNIVERSAL	Learn More
Longpass Filter, Colored Glass, 25.4 mm, 420 nm Cut-on, GG420 Glass	UNIVERSAL	Learn More

Compatible

Description	Compatibility
Cylindrical Lens Mount, Adjustable, 50.8 mm Max, +/- 5 Deg., 2 arcs sec	UNIVERSAL	Learn More
Optical Filter Holder, Drop-in, 50.8 mm Optics	UNIVERSAL	Learn More
Thick Optical Filter Holder, Thumbscrew Clamp, Up To 12 mm Thick	UNIVERSAL	Learn More

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