APM Telescopes. Skywatcher 3x Barlow Lens 1.25" with 3 lens elements
What is a Barlow lens? - BBC Sky at Night Magazine
Amazon.com : 3X Barlow Lens, 3X Astronomical Telescope Eyepieces Barlow Lens with M42x0.75mm Thread, T Ring Adapter for 24.5mm Astronomical Telescope/Digital Camera : Electronics
Amazon.com : Telescope Barlow Lenses Kit 2X-3X-5X, 1.25 Inch Telescope Accessory, Fully Metal Multi Coated Broadband Green Film Barlow Lens for Telescope Astronomy Eyepiece : Electronics
APM Telescopes. Skywatcher 3x Barlow Lens 1.25" with 4 lens elements
Had anyone seen the new special barlow lens finder from skywatcher! - Equipment (No astrophotography) - Cloudy Nights
Astromania 2" ED 2x dual power Telescope Barlow Lens for Telescopes
Barlow Lenses
Celestron Universal T Adapter & 2X Barlow Lens Assembly
Lowest price 2x Barlow Lens 1.25", SkyWatcher 2x Barlow Lens with inbuilt T Adapter 1.25" - YouTube