A fully multicoated astronomical barlow lens has been designed with multiple CaF2 Fluorite elements .
Paracorr - more stars, sharper stars, more time to observe.
Optimised for Sky-Watcher superfast f/4 Quattro imaging Newtonians, delivering stunning wide-field views with pinpoint stars to the edge of the flat field.
Optimised for all Sky-Watcher fast-ratio f/5 Newtonian Reflectors / Dobsonians, with 2” focuser.
This great product from Baader now allows you to use your Newtonian telescope to take stunning wide field photographic or digital images of the night sky.