QHY FILTER MASKS FOR CFW3 Astrophotography This configuration features a parabolic

This configuration features a parabolic primary mirror with a very short focal ratio (between f/3

making it easy to remove Newton's rings from solar images

75 female threads

CMOS or CCD cameras in areas with heavy light pollution

Use the PL3600412 adapter to connect ARCO 2” to ESATTO 2"

QHY FILTER MASKS FOR CFW3 Astrophotography This configuration features a parabolicThe Filter Masks for QHY Filter Wheels are made in different size and shape to suits the different filters types available on the market. 36mm rounded filters 50mm rounded filters 50mm squared filters For the 50mm squared filters, instead of individual masks to apply for each single filter, a single plate has been made which is compatible with the the carousel of the filter wheel.