Premium Optical Device: Aluminum alloy material is used to make it last longer; perfect for broad-field lunar observations; medium-sized star clusters and a wide range of cloudy nebulae; obtaining better observation results during astronomical journey
50 Degree Field of View: 1.25 inch 6 mm plossl eyepiece set offers a wider 50 degree field of view and a 6 mm focal length for observing larger objects; giving the wider view field along with extra sharpness and long eye relief
Fully Muti-Coated Optical Lens: 4-Element Optical Lens; providing bright; sharp images and excellent color correction and the fully coated groups on each lens surface maximize light transmission contrast and image clarity
2X Magnification Precision: Astromania 1.25 inch 2X barlow lens when connected to any 1.25 inch telescope eyepiece; will provide a magnification twice that of the eyepiece; providing a clear planetary observation experience
Advanced Multi-Coated Optics: Premium apochromatic barlow lens with three lens design can easily increase the magnification of the eyepiece; through multi-layer coating; it can capture planetary images with higher contrast and better picture quality