About the Lunt 60mm Ha Etalon Filter for Double-Stacking...
The Lunt 60mm Ha Etalon Filter for Double-Stacking is a Double-Stack Etalon for all LS60FHa Filters and Lunt Telescopes.
This filter does not come with a blocking filter because it is assumed the user will have one already. You cannot use this filter , single or double-stacked, without the appropriate blocking filter at any time.
Lunt 60mm Ha Etalon Filter for Double-Stacking Features...
- This is not a stand-alone filter. It must be used in conjunction with a Lunt Blocking Filter.
- Because the LS60FHa has an estimated bandpass of
- No adapter is needed to connect one LS60FHa to another for double-stacking.
Lunt 60mm Ha Etalon Filter for Double-Stacking Specifications...
Optical Aperture: 60mm
Focal Length: Customer Telescope
Storage: Aluminum finished hard case with fitted foam
Weight: 3 lbs (~1.5kg)Lunt Product Number: LS60FHa