IR Blocking Filter
- High-Performance IR Filter
- Average Optical Density > 6 in Rejection Region
- Average Transmission > 90% in Transmission Region
- Immersed Dielectric Coating on Borofloat® Substrate
TF1
IR Blocking Filter
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Features
- 30.0 mm Outer Diameter
- Excellent Suppression in Rejection Region (ODavg > 6)
- Recommended Transmission Direction Indicated by Caret on Edge
Thorlabs' IR Blocking Filter is a high-performance filter that is useful for blocking NIR wavelengths. This filter transmits light from 375 - 650 nm and blocks light from 700 - 1400 nm. It offers an average optical density (OD) of 6 in the rejection region and an average of greater than 90% transmission in the transmission region. The filter features a durable immersed dielectric coating on a Borofloat® substrate and can be mounted in one of our internally threaded SM30 lens tubes or optic mounts.
The TF1 filter is identical to the one included in the LAURE1 Cerna trinoculars and can be installed before the eyepieces in the LAURE2 trinoculars using an SM30RR retaining ring.
Note: Borofloat® is a registered trademark by a company of the Schott group.
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