Product code: Hotsell Alstar 2
Open box, no manual hotsell or original box Alstar 2" 2.5X Barlow Lens - Allows The Use of Both 2" and 1.25" Eyepieces You only need to install your 2" 2.5X Barlow lens between the eyepiece and the telescope to get 2.5 times the magnification and 2.5 times the focal length of the telescope. So you don't need more eyepieces, or a longer focal length telescope.
Open box, no manual hotsell or original box Alstar 2" 2.5X Barlow Lens - Allows The Use of Both 2" and 1.25" Eyepieces You only need to install your 2" 2.5X Barlow lens between the eyepiece and the telescope to get 2.5 times the magnification and 2.5 times the focal length of the telescope. So you don't need more eyepieces, or a longer focal length telescope.