Filters and filter set available include:
- Luminance (L)
- Red (R)
- Green (G)
- Blue (B)
- Clear (C)
- Hydrogen Alpha (Ha) – 656.3 nm, bandwidth 6.5 nm
- Sulphur II (SII) – 672.4 nm, bandwidth 6.5 nm
- Oxygen III (OIII) – 500.7 nm, bandwidth 6.5 nm
- LRGB Color Imaging Package (four filters)
- Narrowband Package – Ha, SII, OIII (three filters)
- Deep Sky Package – L, R, G, B, Ha, SII, OIII (seven filters)
Clear passes all wavelengths but is parfocal with the other filters.
Spectral response for LRGB filters
All filters are 3 mm thick, and 50.8mm in diameter.
-
50mm Round Optical Filters
|
SBIG Filters |
DESCRIPTION |
|
50mm round unmounted (STXL) |
|
|
FL-50-RND-NB3 (was 50-3508NBB) |
50mm-round Narrowband Package-3-filters-ha-sii-oiii |
|
FL-50-RND-NB4 (was 50-4508NBB) |
50mm-round Narrowband Package-4-filters-ha-sii-oiii-hb |
|
FL-50-RND-LRGB (was 50-4508CIB) |
50mm-round-LRGB Package |
|
FL-50-RND-DS |
50mm round Deep Sky Package LRGB + Ha + SII + OIII |
|
51828 |
50mm round Ha |
|
51829 |
50mm round Hb |
|
51830 |
50mm round SII |
|
51831 |
50mm round OIII |
|
51880 |
50mm-round-uv-ir-cut-filter |
|
51881 |
50mm-round-clear-ir-cut-filter |
|
51882 |
50mm round red |
|
51883 |
50mm round green |
|
51884 |
50mm round blue |