1The viewing field of wide-angle eyepiece is more larger than that of normal eyepiece. 2A very practical microscope eyepiece, effectively enlarged the field of view. 3Image bright and clear, the effect is clearer. 4High quality lens, better light transmittance. 5Easy to install.Features:The viewing field of wide-angle eyepiece is more larger than that of normal eyepiece.A very practical microscope eyepiece, effectively enlarged the field of view.Image bright and clear, the effect is clearer.High quality lens, better light transmittance.Easy to install.Specification:Material: Optical lens & Aluminum alloyColor: BlackInterface size: Approx. 23.2mm/0.91inMagnification: 30XField of view: 9mmWeight: Approx. 76g/2.7ozPackage List:1* Microscope EyepieceNote:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product.