Filter · MSRP $108
Optolong OIII 18nm 2"
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500 nm |
| Bandwidth | 18 nm |
| Filter size | 2" |
| Mounted | Yes |
About
18 nm OIII narrowband visual filter centered on 500 nm for nebula observation; 2-inch mounted.
Filter · MSRP $108
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500 nm |
| Bandwidth | 18 nm |
| Filter size | 2" |
| Mounted | Yes |
18 nm OIII narrowband visual filter centered on 500 nm for nebula observation; 2-inch mounted.