Lunt Solar Systems Filters LS60FHa B1800 1.25" etalon filter system (33253)
30812.77 kr
Tax included
The Lunt Solar Systems LS60FHa B1800 1.25" etalon filter system is a specialized H-alpha solar filter designed for safe and high-contrast observation of the Sun. This system is intended for use with refractor telescopes that have a 1.25" focuser and is suitable for telescopes with a focal length of up to 1800mm for visual observation, or up to 1200mm for solar imaging. The included B1800 blocking filter features an 18mm aperture and is housed in a 1.25" diagonal, providing both safety and optimal performance by blocking unwanted wavelengths and ensuring a well-illuminated field for both eyepieces and cameras.