Optolong LRGB Filter Set - 1.25" Mounted
Optolong
Optolong LRGB 1.25" Imaging Mounted Filter Set is a LRGB/RGB filter set in 1.25" for mono broadband color imaging.
imaging-filter budget
Specifications
Filter
- Filter type
- LRGB imaging filter set
- Filter size
- 1.25" / Mounted
Spectral
- Passbands
- Luminance / Red / Green / Blue
- Band count
- 4 bands
Specifications
- Thickness
- 2 mm
- Substrate / coating
- Non-cementing optical glass
Use
- Camera use
- Mono astronomy cameras
Astrophotography Fit
Best for building natural-color broadband data with a monochrome camera.
Optolong LRGB 1.25" Imaging Mounted Filter Set is a budget-friendly LRGB/RGB filter set (1.25").
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 |
|---|---|---|---|
| Astronomics Astronomics | $229.00 | In stock Updated 5/11/2026 | View Offer - $229.00 |
| Starizona Starizona | $249.00 | In stock Updated 5/10/2026 | View Offer - $249.00 |