- Description
The ToupTek 1.25" Ha/OIII Dual Narrowband Filter Set pairs H-alpha and OIII filters in 1.25" format for the most popular two-filter narrowband imaging workflow. Together these two filters capture the dominant emission from most nebulae and can be combined in bicolour or HOO palette processing.
- Included: H-alpha (7nm), OIII (7nm)
- Size: 1.25" (mounted)
- Bandpass: 7nm FWHM
- Coating: Ion-beam sputtered multi-layer
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