Celestron 2X Omni Barlow Lens - 1.25" - 93326 T-Rings This results in a filter

This results in a filter that retains the colors and color contrasts in tough subjects like Jupiter

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Celestron 2X Omni Barlow Lens - 1.25" - 93326 T-Rings This results in a filterAbout the Celestron 2X Omni Barlow Lens 1. 25" A Barlow lens is the astronomy accessory that keeps on giving! Insert it between your eyepiece and your telescope to get double the magnification instantly. Let'''s say you have two eyepieces in your accessory case, a 10 mm and a 25 mm. Add a Celestron Omni 2X Barlow Lens to the mix, and now you have four magnifications to choose from. Combining this lens with the 25 mm provides double the magnification,