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Lunt LS50THA
Cool scope. Fun to see a star in "real time". I got this on sale, so I was limited to the 4mm blocking filter. If I paid full price I would go for the 6mm, but this is still fantastic!
One of the best entry level solar scopes.
I got it with B400 at 499USD from Adorama. One of the best deals in the recent years. Even with the original price, the image the Lunt LS50THA provided worth every penny. I used both Pentax XW 10mm and 7mm and got very crisp image. 50mm aperture definitely a level up compare other entry level solar scopse at 35mm or 40mm. Solar HA observation is not cheap. I believe this Lunt is the best C/P value everyone can get in this category.
The LS50THa from Lunt Solar Systems is a 50mm, unobstructed, pressure-tuned, dedicated Hydrogen-alpha telescope with a bandpass of <0.75 A.
The excitement of viewing our Star through a dedicated solar telescope is sure to provide many many hours of visual enjoyment and educational insights. This package is fully upgradeable at any time without ever having to go back to the factory. As the Sun becomes increasingly more active, you will appreciate that the instrument can grow right along with it.
The Lunt LS50THa Solar Telescope, complete with a Pressure Tuner, provides the basic essentials perfect for a first time introduction to solar observing, while also including the newest technology for fine tuning, allowing basic research of the Sun's disk and some surface details.
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 it's 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.