SCHOTT Optical Filter Glass

Please enter your required specifications here:

Filter Number

Typical 3-4 week delivery. Delivery date to be confirmed at time of order.

Standard Manufacturing Tolerances:

Edge length and diameter	+/-0.2 mm
Thickness	For ≤ 1mm: ± 0.1mm For > 1 – 3mm: ± 0.2mm
Surface Quality	60 – 40
Surface Accuracy	≤8 Waves
Parallelism	≤3 arcmin
Clear Aperture	≥90%
Edges & Bevels	Round parts ≥ ∅5mm: polished edges & protective bevel Square & rectangular parts < 50 x 50mm: polished edges, no bevel
Edge Chips	For ≤ ∅80mm: < 0.3mm (5/E0.3), for ≥ ∅81mm < 0.6mm (5/E0.6)

Surface quality according to DIN ISO 10110:

Polishing quality	P2
Defects	5/3 x 0.63
All edges machined
Round filters with chamfer max. 0.5mm, square and rectangular < 50x50mm without chamfer
Edge chips permitted up to 5/E0.3

SCHOTT Optical Filter Glass Spectra

General Information SCHOTT Optical Filter Glass:
BG	Blue, blue-green, and multiband glasses
GG	Nearly colorless to yellow glasses, IR transmitting
KG	Virtually colorless glasses with high transmission in the visible and absorption in the IR
NG	Neutral density glasses with uniform attenuation in the visible range
OG	Orange glasses, IR transmitting
RG	Red and black glasses, blocking visible, IR transmitting
UG	Black and blue glasses, UV transmitting
VG	Green glasses
WG	Colorless glasses with different cut-offs in the UV, transmitting in the visible and IR ranges
Note: The spectral curves above show the internal transmittance of the individual optical filter glasses

Thank you for your interest in our custom optical filter glass. To request a formal quotation, please fill in the form below.

Colored Filter Glass Pricing Tool for Custom Sizes