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SVBONY SV137 2X Barlow Lens 1.25 inch Metal Body Fully Multi-Coated Telescope Accessory Internal Brass Ring with Male T- Provides comfortable viewing;Using the 2x barlow lens with a longer focal length eyepiece lets you achieve the same highCelestron 
Celestron 93428 X-Cel LX 3X Barlow Lens for Telescopes, 1.25" Barrel, Triple The Magnification of Any Eyepiece, High Mag Product Type: TelescopeCelestron 
Celestron 93529 X-Cel LX 1.25-Inch 2X Barlow Lens (Black) Product Type: Telescopestarboosa 
Starboosa 1.25" Barlow Lens - for Telescope Eyepieces - Actual 2X Magnification … Barlow lens is indispensable for astronomical telescopes;it improves the efficiency of the eyepiece and doubles the magnSVBONY 
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