40mm ED f/6.25 Dual-Purpose H-Alpha Protuberances / White Light Sunspot Telescope The revolutionary Acuter Luma -X 40ED offers a remarkable level of specification and performance at an affordable price and features groundbreaking, world-first innovations such as a square telescope tube design and an exclusive switchable zenith mirror design, which allows you to switch from an H-Alpha protuberance telescope to a white light solar telescope for observing sunspots.
Objective diameter: 40mm (with ED glass element)
Magnification (with included eyepiece): 15.6x – 50x
Included eyepiece (1.25"): 5–16 mm zoom
Telescope focal length: 250 mm (f/6.25)
Front etalon: Diameter: 40mm, FWHM: <0.6 Angstrom
Tuning method: Pressure tuning
8mm blocking filter
Internally mounted green & neutral density filters for sunspot observation
1459.00 €
Estimated delivery time : 3-4 days (valid for new orders)