M48 Extension Ring (2") - 8mm solar filter The Askar 130PHQ is a

The Askar 130PHQ is a long-focal-ratio

Small hand box for basic functions included

More information about the focuser UNCN2-G2:

At night such videos impressively show the movement of the stars - especially when they are recorded at half sidereal speed

Substrate: High-quality optical glass (Schott)

M48 Extension Ring (2") - 8mm solar filter The Askar 130PHQ is aThis 8mm extension tube is very helpful if your telescope focuser doesn't have enough back focus to allow your camera or eyepiece to reach focus. Note: This extension adapter has a slightly thicker outer diameter (50. 9mm). If you are using the plug in fitting of a 2" receptacle, please make sure that your focuser tube has an inner diameter of 50. 95mm or more The majority of focusers are fine but some do have a slightly smaller inner diameter. Spec: