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Old 26-04-2024, 02:55 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,914
SM60 Solar filter with matching BF15 blocking filter

These filters are currently unavailable and represent the finest front aperture full size etalon filters.
The Coronado SM60 will give a resolution of 0.6A and allow visual or imaging recording of all the solar activity in H alpha - prominences, filaments, flares etc etc.
The associated 15mm blocking filter diagonal has be serviced and the ITF filter element replaced with a Maier Photonics filter. This filter is suitable for telescope focal lengths up to 1500mm.
There are CNC adaptor plates available for ED80 and other scopes.


I also have Richview SM60 II etalon which would be ideal for making a double stack arrangement, bringing the resolution down around 0.3A.
Just in time for the Solar Maximum!!


Asking $1500 for the SM60 + BF15 in Coronado Case -with CNC adaptor
The Richview SM60 II $1000


Pick up Bendigo (or post at cost)
Photos to follow