Celestron Luminos 2.5x 4-element Barlow for 2" and 1.25" eyepieces | Astronomics.com
Celestron 3X Barlow Lens HD Plastic for 1.25" Standard Eyepiece plastic shell | eBay
Celestron
Celestron Universal T Adapter & 2X Barlow Lens Assembly
Celestron 2X Omni Barlow for 1.25" eyepieces | Astronomics.com
Amazon.com : Barlow Lens 2X, Bysameyee 1.25 Inch Fully Multi-Coated Metal Barlow Lens with M42 Thread Camera Connect Interface for Telescope Eyepiece : Electronics
Celestron Omni 2x Barlow Lens (1.25") 93326 B&H Photo Video
Celestron 1.25" Universal T-Adapter with Integrated Barlow Lens - 93640 - Telescopes at Telescopes
Celestron, Barlow Lens - Walmart.com
Celestron Barlow Eyepiece 2x Barlow Lens Eyepiece 1.25 Inch Insert The 2x Barlow Lens Between The Eyepiece Not Monocular - Telescope - AliExpress