Explore Scientific EXOS-2GT Polar Finder Black. This polar scope works with the BR-EXOS2 FL-EXOS2GT BR-EXOS2GT EXOS2GT with PMC-8 mounts. Specifications for Explore Scientific EXOS-2GT Polar Finder: Manufacturer: Explore Scientific Included Accessories: Illuminator Focal Length: 8 mm Weight: 0.4 lb Package Contents: Explore Scientific EXOS-2GT Polar Finder Explore ScientificPFEXOS2: EXOS-2GT Polar Finder Black