If you want have more magnification for your existing eyepieces to see the details of moon and bands of Jupiter clearly, the barlow lens is a must. We offer a quality and value high-power 5x Barlow lens to give a big magnification boost to any 1.25” eyepiece. It will help you double the capacity of an existing set eyepieces at the cost of a single eyepiece. Super easy to use,simply insert your eyepiece of choice into the Barlow, then insert the Barlow into the scope. The barlow lens also could provide more magnification without reducing the exit hole on your eyepiece. Keep a comfortable observation with wide view. We provide 30 days no reason return warranty,no matter any reason,you could apply for return,avoid your risk. Features: 1. 5x magnification factor with 1.25 inch interface: 5 times magnify of any 1.25” eyepiece 2. Quality multicoated optical glass lens: Provide high transmittance,ensure views clear,sharp 3. With an three-element APO design: This Barlow lenses could offer a high quality observation without introducing additional chromatic aberration. 4. With safety undercut and brass compression ring : Ensure your eyepiece barrels will not be marred by the captive set screw 5. Quality aluminum stock and black anodized body: Precision machined,sturdy for a long-term use 6. Shortly height 3.08″ (78.3mm): Convenient to use and carry 7. With dust cover: Keep lens clear easily with a pair of dust cover 8. Weight: 3.0oz (85g) Package Include: 1 X VITE Barlow Lens 5x