Telrad Dew Shield - 2020 Astrographs 9 Doublet APO OTA from

9 Doublet APO OTA from William Optics is provided in a Gold color finish

About the TeleVue 0

400 mm Focal Length

75 thread tapped on the focuser also prepare the telescope for most stock imaging devices and make sure the item in the objective lens can be perfectly projected onto the focal plane

Telrad Dew Shield - 2020 Astrographs 9 Doublet APO OTA fromTelrad Dew Shield Add on Dew Shield for Telrad Finderscope Flips out of the way for viewing through Telrad Helps prevent dew formation when not viewing Easy to install on existing Telrad Finderscope This Telrad Dew Shield is made to attach to your existing Telrad Finderscope to help preven dew from forming on the Telrad window during cold, moist environmental conditions. The Telrad Dew Shield covers up the window area of the Finderscope when you are