Skywatcher HM5 Polar Alignment Scope skyglow 8” (203mm) f/10 Schmidt-Cassegrain includes

8” (203mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission

However this comes at the price of off axis coma and some residual astigmatism

Focal Length: 2032 mm (80 in)

Secondary Mirror Diameter 44mm

And that doesn’t include eyepieces you may already have in your collection

Skywatcher HM5 Polar Alignment Scope skyglow 8” (203mm) f/10 Schmidt-Cassegrain includesThe HM5 Polar axis finder scope is a very useful accessory for EQ3 2 and EQ 5 Sky Watcher equatorial mounts. It speeds up and refines the polar alignment procedure so the observer can spend more valuable time observing, rather than setting up. The new HM5 Polarscope is usable in both Northern and Southern Hemispheres.