M42 Extension Ring (2") - 40mm evolution 25mm eyepiece

25mm eyepiece

SkySync automatically receives the exact time and coordinates of your observing site

Controller firmware supports re-programming via the USB 2

AXJ (without encoder)

This means that you can plug unregulated 12V power from a battery

M42 Extension Ring (2") - 40mm evolution 25mm eyepieceThis 40mm extension tube is very helpful if your focuser doesn't have enough back focus, particularly in astrophotography where back focus is critical. Spec: Material: Barrel made of black anodized metal Telescope side: T2 female thread (M42x0. 75) Camera side: T2 male thread (length 4 mm) Optical path length: 40mm excl. male thread