![Caption: The passbands (AKA transmission functions) normalized to 1 for UBVRI filters of photometry. The UBVRI filters are most traditional set of passbands, but there are many other sets. It seems every time someone builds a new advanced telescope, they ... Caption: The passbands (AKA transmission functions) normalized to 1 for UBVRI filters of photometry. The UBVRI filters are most traditional set of passbands, but there are many other sets. It seems every time someone builds a new advanced telescope, they ...](http://spiff.rit.edu/classes/phys445/lectures/colors/bessel_bandpass.gif)
Caption: The passbands (AKA transmission functions) normalized to 1 for UBVRI filters of photometry. The UBVRI filters are most traditional set of passbands, but there are many other sets. It seems every time someone builds a new advanced telescope, they ...
![Now available: New Baader UBVRI and SLOAN/SDSS (ugriz') Photometric Filters / Baader Planetarium Blog Posts Now available: New Baader UBVRI and SLOAN/SDSS (ugriz') Photometric Filters / Baader Planetarium Blog Posts](https://www.baader-planetarium.com/blogs/english/wp-content/uploads/sites/2/2021/10/container-family-ubvri.jpg)
Now available: New Baader UBVRI and SLOAN/SDSS (ugriz') Photometric Filters / Baader Planetarium Blog Posts
![Baader - Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished) | Telescopes Baader - Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished) | Telescopes](https://telescopes.net/pub/media/catalog/product/cache/21311e9220240778d2ffa402d5ca5680/f/u/fubvri-1_9.jpg)
Baader - Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished) | Telescopes
![Transmissivity curves for the UBVRI filters typically used in photometry. | Download Scientific Diagram Transmissivity curves for the UBVRI filters typically used in photometry. | Download Scientific Diagram](https://www.researchgate.net/profile/Ribamar-Reis/publication/267980243/figure/fig2/AS:614005882228754@1523401818679/Transmissivity-curves-for-the-UBVRI-filters-typically-used-in-photometry.png)