Svbony SV137 1.25 inch 2x/3x barlow lens, provide a sharp view, ideal for high power observation.
Svbony SV118 1.25'' 2x achromatic metal barlow lens for astronomy telescope
Svbony 1.25'' 2x barlow lens for standard 1.25'' telescopes, it has M42 thread, so it can connect with your camera, you just need an adapter, it's perfect!
Svbony 1.25'' 2x barlow lens for astronomy telescope eyepiece, can effectively doubles the magnification of each eyepiece.
The SV136 3x Extender does not require a very long extension between the telescope and the eyepiece to directly increase by a factor of two. It is suitable for any 1.25 inch telescope.