4 inch Extension tube for FLT series Diagonal 16” (406 mm) Dobsonian-style Newtonian

16” (406 mm) Dobsonian-style Newtonian

The Regal M2 spotting scope series is the next generation of our top-performing Regal F-ED spotting scopes

5 3/8” (137mm) to 5 5/8” (143mm)

8 mm Allen Wrench (contained in rear carry handle)

deep-sky objects in seconds and see them in more detail than ever before

4 inch Extension tube for FLT series Diagonal 16” (406 mm) Dobsonian-style NewtonianWilliam Optics 4" Extension tube for FLT series. William Optics 4" Extension tube for FLT 98,FLT 110 and FLT 132 telescopes is very useful if you use a CCD or need more drawtube extension but still expect flexure in your train. The William Optics 4" Extension tube is fully anodized, and compatible with other similar telescopes. To mount the William Optics 4" Extension Tube on the telescopes, simply remove the 4" nosepiece adapter for the telescope and