Great 1.25" 82 deg. FOV eyepiece. Ideal for rich-field views at moderate power. Open up the universe in your telescope at an incredible price! This eyepiece is one of the best seller of this series, thanks to its amazing performance also on fast focal ratio telescopes. Guaranteed satisfaction! Ultra Wide FOV • Outstanding ultra-wide field of view: 82 deg. F.O.V. • Fully MultiCoated lenses for excellent light transmittance. • Reduced chromatic aberration compared to similar design eyepieces. • Good contrast & brightness. Great Contrast • Internally fully blackened (lenses’ edges and internal spacers). • No flaring or ghosting on high-contrast objects. • Parfocal. Light and Easy • Innovative twist-up rubber eyecup. • Long eye-relief: 12mm • No internal reflections, kidney beaning or other distracting distortions. Terrific Fit and Finish • High-resistance anodized black barrel. • Smooth design for no hook up in your focuser. • Threaded for filters’ usage. • Last but not least, ultra competitive price. 　 Internally baffled, All lenses' edges and internal spacers blackened, Fully multicoated Model UWAN 16 Focal Length 16mm Field Stop Diameter 28.6mm Lens Structure (#Elements/#Groups) 7/4 Field of View 82 Eye Relief 12mm Barrel 1.25" Coating FMC Parfocal Yes Weight 200g