Orion 08704 Tri-Mag 1.25-Inch 3x Barlow Lens (Black) by Optronic Technologies, Inc
... can provide, we suggest using the 1.25 inch
3x Orion Tri-Mag Barlow Lens. It gives a big 3x magnification boost to any 1.25 inch
telescope eyepiece it's used with, ideal ... is threaded to accept standard 1.25 inch
telescope eyepiece filters. Power-up your telescope eyepiece collection and your telescope's performance with the new 1.25
” 3x Orion Tri-Mag multi-coated ... Details...