The 31.8mm ring focuser allows you to use the Evoguide ED50 both as a finder and as a guide telescope, in fact it is equipped with a T2 thread to allow the attachment to most of the driving and shooting cameras on the market. It is obviously compatible with 31.8mm eyepieces. The Evoguide ED50 is equipped with collimated rings, each with 3 nylon tipped screws. The Evoguide ED50 has a Vixen mini bar, compatible with the majority of commercially available bases. Ideal as a high quality finder and guide telescope or wide field astrophotography with the optional ED50 Field Flattener. Features: Designed for use with all Autoguiders High quality ED Glass Small compact size Helical Focuser
