Calcium Modul with B600 blocking filter - 1.25'' in Star diagonal with T2 connection
Internal narrowband filters allow for a <2.4 Angstrom bandpass. Primarily an imaging system due to the difficulty of many to visually see everything that CaK has to offer. For telescopes up to 100mm aperture and 600mm focal length.
Delivered with order:
• Star Diagonal with T2 connection, for 1.25'' Focuser
• blocking filter B600 with IR and UV protection