Optolong LRGB + SHO 7nm Filter Set - 36mm Unmounted
Optolong
Optolong LRGB + SHO 7nm (7 pieces) - 36mm Unmounted is a LRGB/RGB filter set in 36mm for mono broadband color imaging.
imaging-filter midrange
Best Current Offer
Mile High Astronomy
In stock
Specifications
Filter
- Filter type
- LRGB + SHO imaging filter set
- Filter size
- 36 mm / Unmounted
Spectral
- Passbands
- SII 672.4 nm (7 nm) / H-alpha 656.3 nm (7 nm) / OIII 500.7 nm (7 nm) / Luminance / Red / Green / Blue
- Band count
- 7 bands
- Narrowest bandpass
- 7 nm
Specifications
- Thickness
- 2 mm
- Substrate / coating
- Multi-layered anti-reflection coatings
Use
- Camera use
- Mono astronomy cameras
Astrophotography Fit
Best for building natural-color broadband data with a monochrome camera.
Optolong LRGB + SHO 7nm (7 pieces) - 36mm Unmounted is a midrange LRGB/RGB filter set (36mm).
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
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| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| Mile High Astronomy Mile High Astronomy | $775.00 | In stock Updated 5/12/2026 | View Offer - $775.00 |