UV Bandpass Filters
• Center Wavelengths in the UV from 193nm
• First Surface Bandpass Coating with Protective Overcoat
• UV Fused Silica Substrate
UV Bandpass Filters feature center wavelengths across the ultraviolet (UV) spectrum that align with wavelengths
commonly used as analytical spectral lines, including 193nm, 214nm, and 248nm. These unmounted
filters feature a UV bandpass coating on the first surface, along with a protective overcoat that resists moderate
abrasion. The simple construction of these filters provides greater environmental stability compared to
traditional coated UV filters. UV Bandpass Filters are designed for high transmission in the UV, and with deep
blocking for wavelengths from X-ray to the far infrared (FIR) that are outside of their narrow bandwidths. Typical
applications include Raman spectroscopy as well as chemical spectral analysis.
Diameter Tolerance (mm): +0.00/-0.25
Thickness (mm): 1.50
Thickness Tolerance (mm): ±0.25
Blocking Range (nm): 200 - 2000
Surface Quality: 80-50
Clear Aperture (%): 80
Substrate: Fused Silica
Machine Vision Filter Mounts for 25 and 50mm Diameter Filters
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bandpass filters
machine vision
neutral density
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edge filters dichroic filters notch filters color filters
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UV Bandpass Filters
CWL (nm) CWL
Tolerance (nm) FWHM (nm) FWHM
Tolerance (nm)
Min Transmission
(%)
25mm Diameter 50mm Diameter
Stock No. Price Stock No. Price
193 ±2.5 15 ±3 12 #11-981 £255.00 #14-911 £425.00
214 +3.0/-0.0 10 ±2 15 #11-982 £255.00 #14-912 £425.00
214 ±3.0 22 ±4 20 #11-983 £255.00 #14-913 £425.00
220 +3.0/-0.0 10 ±2 15 #11-984 £255.00 #14-914 £425.00
228 +3.0/-0.0 10 ±2 15 #11-985 £255.00 #14-915 £425.00
228 ±3.0 25 ±5 20 #11-986 £255.00 #14-916 £425.00
232 +3.0/-0.0 10 ±2 15 #11-987 £255.00 #14-917 £425.00
239 +3.0/-0.0 10 ±2 15 #11-988 £255.00 #14-918 £425.00
248 +3.0/-0.0 10 ±2 12 #11-989 £255.00 #14-919 £425.00
254 +3.0/-0.0 10 ±2 12 #11-990 £255.00 #14-920 £425.00
254 ±3.0 25 ±5 18 #11-991 £255.00 #14-921 £425.00
260 +3.0/-0.0 10 ±2 12 #11-992 £255.00 #14-922 £425.00
265 +3.0/-0.0 10 ±2 12 #11-993 £255.00 #14-923 £425.00
280 +3.0/-0.0 10 ±2 12 #11-994 £255.00 #14-924 £425.00
289 +3.0/-0.0 10 ±2 15 #11-995 £255.00 #14-925 £425.00
300 +3.0/-0.0 10 ±2 15 #11-996 £255.00 #14- 926 £425.00
313 +3.0/-0.0 10 ±2 15 #11-997 £255.00 #14-927 £425.00
NEW
• Specially Designed to Hold 25/25.4mm and 50/50.8mm Diameter Filters
• Accommodate up to 7mm Thicknesses
• Choose from our Full Selection of 25mm or 50mm Diameter Filters
TECHSPEC® Machine Vision Filter Mounts for 25 and 50mm Diameter Filters are designed to hold 25/25.4mm
and 50/50.8mm diameter filters, enabling our full selection of filters to be used in imaging systems. Whether
your application requires a unique bandpass, edge, notch, or neutral density filter, you can now easily attach
any of our standard filter designs to the front of most imaging lenses. The mounts have been designed to accommodate
up to 7mm of filter thickness, making them easy to stack multiple TECHSPEC® Absorptive Neutral
Density Filters to achieve custom optical densities. Even many of our Hard Coated Bandpass Interference
Filters can now be easily integrated into imaging applications.
TECHSPEC® Machine Vision Filter Mounts for 25 and 50mm Diameter Filters
Diameter of
Compatible Optic (mm)
Thickness of
Compatible Optic (mm)
Mount
Threading Stock No.
Price
1-9 10-49 50+
25 6.5 M25.5 x 0.5 #65-800 £37.82 £34.00
Call
25 6.5 M30.5 x 0.5 #65-801 £37.82 £34.00
50 7 M34.0 x 0.5 #12-785 £37.82 £34.00
50 7 M37.0 x 0.75 #12-786 £37.82 £34.00
50 7 M37.5 x 0.5 #12-787 £37.82 £34.00
50 7 M40.5 x 0.5 #12-788 £37.82 £34.00
50 7 M43.0 x 0.75 #12-789 £37.82 £34.00
50 7 M46.0 x 0.75 #12-790 £37.82 £34.00
Compatible TECHSPEC® Imaging Lenses
Stock No. Mounting
Thread UC Series C Series 2/3" HP Series 1.1" HP Series DG Series CA Series LF Series SWIR Series CompactTL SilverTL MercuryTL
#65-800 M25.5 x 0.5 12, 16, 25mm 8.5, 12, 16, 25,
35mm 16m, 25, 35mm N/A N/A N/A N/A N/A 1X, 2X, 3X, 4X,
6X, 8X N/A N/A
#65-801 M30.5 x 0.5 N/A 50mm 12mm N/A 18, 25mm N/A N/A N/A N/A 0.75X 0.75X
#12-785 M34.0 x 0.5 6mm N/A N/A 25mm N/A N/A N/A 25mm N/A N/A N/A
#12-786 M37.0 x 0.75 N/A N/A N/A 35mm 35mm N/A N/A N/A N/A 0.5X, 1X N/A
#12-787 M37.5 x 0.5 N/A N/A N/A 50mm N/A 50mm N/A N/A N/A N/A N/A
#12-788 M40.5 x 0.5 N/A N/A 8.5mm N/A N/A 75mm N/A N/A N/A 0.6X N/A
#12-789 M43.0 x 0.75 8mm N/A N/A N/A N/A N/A 50mm 50mm N/A 0.3X, 0.4X, 2.0X 0.37X
#12-790 M46.0 x 0.75 N/A 100mm N/A 16mm N/A 100mm 100mm N/A N/A 0.25X 0.25X
N
N
N
NN
N
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