Gosky Explorer -- Eyepiece and Filter Accessory Kit for Astronomical Telescope This nine-piece 1.25 inch astronomy accessory kit let you get the most out and enhances the performance of your telescope. It contains a 6mm plossl eyepiece, a 20mm plossl eyepiece, a 2x berlow lens/ T adapter, a moon filter, three color planetary filters(Red, Blue, Yellow), a Chamois cloth and a handy aluminum case. ----------------------------------------- 6mm Plossl eyepieces —— perfect for high-power planetary and lunar observation in any telescope. 12.5mm Plossl eyepieces —— A medium eyepiece for moon, star observations. 20mm Plossl eyepieces —— perfect for broad-field lunar observations, medium-sized star clusters, and a wide range of cloudy nebulas and deep-sky targets. ------------------------------------ Moon filter —— helps to dim the bright light from the Moon, making it more comfortable to view so you can see more detail and surface features. 3 color planetary filters —— The three color filters (Red, Blue&Yellow) highlight features on Mars, Jupiter, and Saturn.They are an essential tool of the lunar and planetary observer, for filters permit the observation and photography of surface detail that is often virtually invisible without filtration. ------------------------------------ 2X Barlow lens —— A visual Barlow, doubles the magnification of any inserted 1.25 inch eyepiece. A prime focus T-adapter for attaching a DSLR camera. With the T2 threads (M42x0.75), you can attach a T-ring for astronomy photography. A tele-extender for increg the focal length of the telescope when attaching a DSLR camera. ------------------------------------ An Handy Aluminium Case: Easy to take and keep the accessories clean and safe. ------------------------------------ All filters, eyepieces and barlow comes with dust caps, dust plugs and cases.Moon filter —— helps to dim the bright light from the Moon, making it more comfortable to view so you can see more detail and surface features. 3 color planetary filters —— The three color filters (Red, Blue&Yellow) highlight features on Mars, Jupiter, and Saturn.They are an essential tool of the lunar and planetary observer, for filters permit the observation and photography of surface detail that is often virtually invisible without filtration. 2X Barlow lens —— A visual Barlow, doubles the magnification of any inserted 1.25 inch eyepiece, A prime focus T-adapter for attaching a DSLR camera. With the T2 threads (M42x0.75), you can attach a T-ring for astronomy photography. A tele-extender for increg the focal length of the telescope when attaching a DSLR camera. 6mm 12.5mm, 20mm Plossl eyepieces ——for different power planetary and lunar observation broad-field lunar observations, star clusters, and a wide range of cloudy nebulas and deep-sky targets in any telescope. It contains 6mm/12.5mm/ 20mm plossl eyepiece, a 2x berlow lens/ T adapter, a moon filter, three color planetary filters(Red, Blue, Yellow), a Chamois cloth and a handy aluminum case. This nine-piece 1.25 inch astronomy accessory kit let you get the most out and enhances the performance of your telescope.Focal Length Description: 20 millimeters. Item Weight: 0.99 Pounds. Finderscope: Reflex. Focus Type: Manual Focus. Product Dimensions: 7.87"D x 7.87"W x 3.15"H. Objective Lens Diameter: 20 Millimeters. Eye Piece Lens Description: Barlow. Brand: Gosky. Manufacturer: Gosky. Date First Available: July 21, 2015. Is Discontinued By Manufacturer: No. Best Sellers Rank: #33 in Telescope Eyepieces. Customer Reviews: 4.5 out of 5 stars 500 ratings 4.5 out of 5 stars. Item model number: QHAT001. : B015AUANUQ. Item Weight: 15.8 ounces. Product Dimensions: 7.87 x 7.87 x 3.15 inches.