Orion 7330 Polar Alignment Scope for SkyView Pro Mount Handy scope makes polar-aligning the SkyView Pro equatorial telescope mount a cinch Built-in reticle pattern includes Big Dipper and a target-spot for Polaris - just place Polaris in the circle and you're mount is all set for manual or motorized tracking! Easy installation - Polar-Axis Finder Scope threads directly into SkyView Pro mount housing along R.A. (right-ascension) axis Quick polar-alignment gives you more time to enjoy the view at the telescope eyepiece Ensures accurate tracking and slow-motion control for your SkyView Pro telescope mount