Technical data sheet
Optolong SII 3nm 2" Filter
SII filter: this narrowband filter allows light from ionized sulfur atoms to pass through at 672 nanometers. This is the line where many planetary nebulae, emission nebulae, and supernova remnants shine.
Main features
Optolong quality for a reliable and satisfying observation experience.
- Type: Filter
- Bandpass (nm): 672
- Full Width at Half Maximum (nm): 3
- Connection (eyepiece side): 2"
- Frame: 2"
- Manufacturing technique: linear filter
Main technical specifications
| Brand | Optolong |
| Model | Optolong SII 3nm 2" Filter |
| Type | SII Filter |
| Bandpass (nm) | 672 |
| Full Width at Half Maximum (nm) | 3 |
| Connection (eyepiece side) | 2" |
| Frame | 2" |
| Type | Filter |
| Manufacturing technique | linear filter |
| Useful for photography | yes |
| Light pollution suppression | yes |
| Planetary nebulae | yes |
| Supernova remnants | yes |
| Usable for visual observations | - |
| Emission nebulae | yes |
| Nebulae and Galaxies | yes |
Take advantage of free shipping throughout Italy on orders over €199.99!
Optolong SII 3nm 2" Filter
SII filter: this narrowband filter allows light from ionized sulfur atoms to pass through at 672 nanometers. This is the line where many planetary nebulae, emission nebulae, and supernova remnants shine.
Main features
Optolong quality for a reliable and satisfying observation experience.
- Type: Filter
- Bandpass (nm): 672
- Full Width at Half Maximum (nm): 3
- Connection (eyepiece side): 2"
- Frame: 2"
- Manufacturing technique: linear filter
Main technical specifications
| Brand | Optolong |
| Model | Optolong SII 3nm 2" Filter |
| Type | SII Filter |
| Bandpass (nm) | 672 |
| Full Width at Half Maximum (nm) | 3 |
| Connection (eyepiece side) | 2" |
| Frame | 2" |
| Type | Filter |
| Manufacturing technique | linear filter |
| Useful for photography | yes |
| Light pollution suppression | yes |
| Planetary nebulae | yes |
| Supernova remnants | yes |
| Usable for visual observations | - |
| Emission nebulae | yes |
| Nebulae and Galaxies | yes |
Take advantage of free shipping throughout Italy on orders over €199.99!
SKU:73723
Optolong 2" SII 3nm Filter
- Regular price
- €815,99
- Sale price
- €815,99
- Regular price
-
€899,00
Hai trovato un prezzo migliore?
Paga in 3 rate da €271,99 senza interessi.
Optolong SII 3nm 2" Filter
SII filter: this narrowband filter allows light from ionized sulfur atoms to pass through at 672 nanometers. This is the line where many planetary nebulae, emission nebulae, and supernova remnants shine.
Main features
Optolong quality for a reliable and satisfying observation experience.
- Type: Filter
- Bandpass (nm): 672
- Full Width at Half Maximum (nm): 3
- Connection (eyepiece side): 2"
- Frame: 2"
- Manufacturing technique: linear filter
Main technical specifications
| Brand | Optolong |
| Model | Optolong SII 3nm 2" Filter |
| Type | SII Filter |
| Bandpass (nm) | 672 |
| Full Width at Half Maximum (nm) | 3 |
| Connection (eyepiece side) | 2" |
| Frame | 2" |
| Type | Filter |
| Manufacturing technique | linear filter |
| Useful for photography | yes |
| Light pollution suppression | yes |
| Planetary nebulae | yes |
| Supernova remnants | yes |
| Usable for visual observations | - |
| Emission nebulae | yes |
| Nebulae and Galaxies | yes |
Take advantage of free shipping throughout Italy on orders over €199.99!
Couldn't load pickup availability
Terms and conditions
Terms and conditions
Paga in 3 rate da €271,99 senza interessi.