| Type | Photometric Red |
|---|---|
| Size | Round 1.25" |
| Bandwidth | n/a |
| Users | 1 |
| Images | 2 |
| Most often used with |
Community notes
Potentially the same as the "Cousins R" filter, although it's Johnson-Cousins properly. The "Cousins R" one in the database also doesn't have size options.
Originally Schuler, later bought by Astrodon.
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