Stellarvue ET3 - 2" Extension Tube - 2.6" Long
Use this Stellarvue 2" extension tube to obtain focus with eyepieces used straight through without a diagonal or prism.
Provides an additional 2-3/8th" of back focus.
All aluminum anodized parts with rubber grip, brass compression ring, filter thread on insert tube and beveled insert which improves the snugness of the fit as the lock screw is tightened.
Works well with the FA2 1.25" eyepiece adapter.
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