Bysameyee Barlow Lens 5X- 1.25-Inch Fully Multi-Coated Blackened Metal Optical Glass with T Adapter M42 Thread for Astronomic Telescope Eyepiece

Product Description: Magnification: 5X Telscope Interface: 1.25 Inches (31.7mm) Lens Coating: Multi-layer Coated Lens Material: Optical Glass(Double Concave Lens) Eyepiece Insertion Depth: 27mm Sleeve Material: Full metal-aluminum Lens Coating: FMC-Green Photography T2 Thread: M42*0.75mm and M30*1mm Filter Thread: M28.6*0.6mm Color: Black Package Include: 1 x Barlow Lens 5X 2 x Dust Cover Pay Attention: The Barlow lens’s role is not to improve image quality. Even a well-made Barlow will little damage on the imaging quality. When the Barlow lens and eyepiece using together and the magnification is over the biggest magnification the Barlow lens observation effect appears nearly zero or imaging becomes blurred. In order to reduce the influence of imaging, select a Barlow lens at suitable magnification carefully.