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• LS60FHa H-Alpha Filter, 60mm front-mounted non-obstructed hydrogen-alpha filter for use on a wide range of telescopes!
• Connect the Lunt LS60FHa to your telescope with the appropriate adapter (sold separately), or use it to double-stack on an existing Lunt 60mm LS60THa solar telescope or filter for a ~<0.5A band pass!
• Choose the appropriate LS60FHa and blocking filter for your telescope’s focal length and focuser size.

Required Accessories: Typically an adapter plate will be required to attach a Lunt Solar Filter to the front of a customer-supplied telescope. These adapters are in stock for the more common user scopes, but can be custom made to your specific requirement if needed.  No adapter is needed to connect one LS60FHa to another for double-stacking.

• Add an internal double-stacking module to a Lunt LS100THa solar telescope for a lowered bandpass of <0.5 Angstroms!
• The LS100THa DSII includes a pressure tuner for true Doppler tuning.
• Add the DSII to a new LS100THa at the time of order, or add it yourself to your own LS100THa, no trip back to the factory required!

Please Note: If this product shows “Available on Backorder” and you would like to “get in line” by placing an order with a 10% deposit, send us an email.   A member of our staff will contact you with lead times and deposit information.

Lead Time: 1 Week