ZL4PLM
24-07-2020, 11:18 AM
Dual band HA / OIII filter for colour CCD and CMOS cameras inc DSLR to allow narrowband imaging using colour cameras.
The bandwidths:
= 24 nm for OIII and H-beta
= 10 nm for Ha
2" thread fits most reducers/flatteners allows direct mounting on the optical path.
Used but perfect condition
Post free in NZ / AU. $275 aud
The bandwidths:
= 24 nm for OIII and H-beta
= 10 nm for Ha
2" thread fits most reducers/flatteners allows direct mounting on the optical path.
Used but perfect condition
Post free in NZ / AU. $275 aud