OL 458-4 White LED-based Calibration Standard
The OL 458-4 is a NIST-traceable, white LED-based integrating sphere calibration standard, designed for accurately calibrating micro- and telephotometers, image intensifiers, and imaging photometers. A proprietary design allows for true continuous spectrum across the visible range. Precision source temperature control delivers extremely stable output over long periods of usage. The design and output are customizable upon request.
The OL 458-4 is a NIST-traceable, white LED-based integrating sphere calibration standard, designed for accurately calibrating micro- and telephotometers, image intensifiers, and imaging photometers. A proprietary design allows for true continuous spectrum across the visible range. Precision source temperature control delivers extremely stable output over long periods of usage. The design and output are customizable upon request.
TOP REVIEWS
Add a Title
Reviewed in the United States on February 4, 2026
Add a Title
So glad I bought this! I need to move almost all of my reptiles lights to the inside of their cages for them to be in the correct zones, I had no idea they were not getting enough uvb before.
Add a Title
Add a Title
Add a Title
Add a Title
Add a Title
Add a Title
Add a Title
Add a Title
4.7 out of 5
555 global ratings
5 star
84%
4 star
84%
3 star
84%
2 star
84%
1 star
84%