LRGB + SHO 1.25" Imaging Mounted 7 Filter Set
Optolong
$665.00
1 stores
In stock
This comprehensive 7-filter imaging set combines LRGB filters with narrowband SHO (H-Alpha, Sulfur-II, and Oxygen-III) filters for versatile deep-sky and planetary imaging with monochrome CCD and CMOS cameras. The LRGB filters provide maximum contrast and natural color differentiation, while the narrowband filters enable Hubble-palette imaging of emission nebulae under light-polluted conditions or bright moonlight. Designed for high transmission efficiency with precise optical coatings, these mounted 1.25" filters feature ultra-thin cells and a 26mm clear aperture to minimize vignetting.
Specifications
| Filter Cell Diameter | 31.3 mm |
| Oxygen-III Central Wavelength | 500 |
| Coating Technology | Ion-assisted deposition |
| Country of Manufacture | China |
| Oxygen-III Bandwidth | 6.5 |
| Filter Types | Luminance, Red, Green, Blue, H-Alpha, Sulfur-II, Oxygen-III |
| H-Alpha Bandwidth | 7 |
| Narrowband Filter Transmission | 80% |
| Thread Type | M28.5x0.6 male (non-stackable) |
| Total Filter Height | 6.8 mm |
| Wavefront Accuracy | 1/4 wavelength or better |
| Filter Size | 1.25 in |
| Sulfur-II Bandwidth | 6.5 |
| Glass Substrate Thickness | 2 mm |
| Sulfur-II Central Wavelength | 672 |
| Parallelism | 30″ |
| Number of Filters | 7 |
| LRGB Filter Transmission | 95% |
| Clear Aperture | 26.1 mm |
| H-Alpha Central Wavelength | 656 |
| Optical Glass | Schott B270 |
| Infrared Blocking | 700 |