Lunt Solar Systems Filters LS60FHa B3400 2" etalon filter system (33254)
161744.14 Kč
Tax included
The Lunt Solar Systems LS60FHa B3400 2" etalon filter system is a high-performance H-alpha solar filter designed for advanced visual and imaging applications. This system features a 60mm front-mounted etalon filter with a narrow bandpass of less than 0.7 Angstrom, allowing you to observe the Sun’s surface and edge features with exceptional contrast and detail. The included B3400 blocking filter, with a 34mm aperture, is housed in a 2" straight-through extension tube and is suitable for telescopes with focal lengths up to 3400mm for visual use and up to 1800mm for imaging.