Edge blackened optics;internally blackened to eliminate light scattering;minimize internal reflection and maximize contrast. Multi group lens combination to improve optical performance;the eyepieces sets delivers sharp images with good color correction and contrast. Fully multi coated broadband green optics with superior optical performance;clarity is great and the magnification is truly represented. 6/9/15/20mm for different magnifications;high power and medium eyepiece fits for viewing surface and potholes details on the moon;the planetary;lunar;double stars;nebulas and deep sky. 66 degree AFOV perfects for broad field lunar observations;medium sized star clusters;wide range of cloudy nebulas and deep sky targets with extra sharpness.

Focal Length Description: 9 millimeters. Item Weight: 0.36 Kilograms. Finderscope: Reflex. Focus Type: Manual Focus. Product Dimensions: 4.7"D x 4.7"W x 3.9"H. Telescope Mount Description: Fixed Mount. Objective Lens Diameter: 20 Millimeters. Eye Piece Lens Description: Barlow. Brand: SVBONY. Manufacturer: SVBONY. Date First Available: January 18, 2017. Is Discontinued By Manufacturer: No. Best Sellers Rank: #12 in Telescope Eyepieces. Customer Reviews: 4.5 out of 5 stars 356 ratings 4.5 out of 5 stars. Item model number: FUSN6003A. : B01MR78I42. Item Weight: 12.7 ounces. Product Dimensions: 4.7 x 4.7 x 3.9 inches.