IDAS RGB Type 4 Filter Set - 31mm Unmounted
IDAS
RGB Type 4 Filters - 31mm Unmounted is a LRGB/RGB filter set in 31mm for mono broadband color imaging.
Best Current Offer
Specifications
Filter
- Filter type
- RGB imaging filter set
- Filter size
- 31 mm / Unmounted
Spectral
- Passbands
- Imaging passband specified by filter model
Specifications
- Band count
- 3 bands
Use
- Camera use
- Color or mono astronomy cameras, depending on target and workflow
Astrophotography Fit
Best for building natural-color broadband data with a monochrome camera.
RGB Type 4 Filters - 31mm Unmounted is a midrange LRGB/RGB filter set (31mm).
Best for building natural-color broadband data with a monochrome camera.
Choose filter size around the sensor diagonal, telescope speed, and filter-wheel or drawer geometry. Flats are still required; a filter can improve contrast, but it will not rescue tilt, bad focus, or poor calibration.
Best paired with
- Monochrome cooled cameras and electronic filter wheels
- Broadband galaxies, clusters, reflection nebulae, and star fields
- Dark-sky sites or well-calibrated light-polluted workflows
Not recommended for
- One-shot color cameras where LRGB adds complexity without benefit
- Heavy light pollution without enough total integration
- Emission-only projects where narrowband filters are the priority
Where To Buy
Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.
| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| Cloud Break Optics Cloud Break Optics | $399.00 | In stock Updated 8/5/2026 | View Offer - $399.00 |
Price History
Chronological retailer pricing with out-of-stock points shown at reduced opacity.