Fits all EL and SLC except SLC 8x30 WB. If you hunt and glass and you spend hours glassing then a heavy, bulky spotting scope is best. Simply untwist an eyepiece, twist on the booster, you now have a 14 power optic! These are no longer inventoried and hard to fine. The item "Swarovski binocular" is in sale since Saturday, September 02, 2017. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Spotting Scopes". The seller is "royer10" and is located in Rockwall, Texas. This item can be shipped to United States.