Jrifedptry 1.25 Inches 5X Barlow Lens Fully Metal Green Film with M42 Thread for Standard Telescope Eyepiece Astronomy

Quality and value high power 5x Barlow lens to give a big magnification boost to any 1.25 inch eyepiece Barlow lens could also provide more magnification without reducing the exit hole on the eyepiece It help double the capacity of an existing set eyepieces at the cost of a single eyepiece;It's super easy to use;you can simply insert eyepiece of choice into the Barlow lens;then insert it into the scope More magnification for existing eyepieces to see the details of moon and bands of Jupiter clearly;the Barlow lens is a must Even a well made Barlow little damage on the imaging quality