Tele Vue Plossl 25mm Eyepiece (1.25") Koss 187311 This little round on/off toggle

This little round on/off toggle switch is rated up to 10A at 125VAC and can be panel mounted in a 20mm diameter hole

OD aluminum tubing or PVC pipe from your local hardware store

Outside: 25x30x22mm

with clearly labeled ports to connect cables

and dust Easy on

Tele Vue Plossl 25mm Eyepiece (1.25") Koss 187311 This little round on/off toggle50 Apparent Field of View 17mm Eye Relief Tele Vue eyepieces come in several variations and focal lengths to match your particular preferences amongst the variables of size, weight, price, eye relief and apparent field of view. They're universally applauded by both amateur and professional astronomers alike, and hold their resale value incredibly well. The Plossl 25. 0mm eyepiece is a venerable "entry level" classic of the Tele Vue eyepiece