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This is an as New 50mm f/7 refractor-based Hydrogen-alpha telescope from Lunt an excellent start to solar observing in Ha or solar imaging using a suitable imaging cameras.
Features an internally mounted etalon with Pressure Tuner adjusment with a B600 blocking filter. This larger B600 blocking filter is the better option for imaging as opposed to the smaller B400
Included is the Lunt 50mm with B600 filter with a clamshell which has threaded holes for mounting.
Pressure Tuner
True Doppler Tuning (Pressure Tuning) allows for a shift into and away from the user, adding a 3D-like component to the viewing experience. While it has minimal effect on proms due to their being at the edge of the disk, it does have an effect on filaments and active regions on the surface. While looking at a filament at the center of the Sun the user has the ability to Doppler shift from the base of the filament to the tip, following the filament through its structure toward you and away from you, allowing for enhanced visual and imaging capability for the observer as well as a research tool for the avid hobbyist. The pressure tuning system provides an order of magnitude more precision to the tuning of the desired features.
Category: Cameras and Photography:Telescopes and Binoculars:Telescopes
Location: Spilsby
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