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Calcium K line Filter-Diagonal System.
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:
• Diagonal with 2 inch barrel and 1.25 inch eyepiece holder
• blocking filter B1800 with IR and UV protection
B1800 |