Optolong OIII Filter 3nm 2"
The narrowband O-III 3nm filter is designed for nebula observation allowing 3nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, blocking out all other light.
Scope of delivery:
Products specifications
Filter thread / size
|
2" |
Full-Width-Half Maximum (FWHM)
|
3nm |
Type
|
Line Filter |