Wf10x/18mm Wide Angle High Eyepiont Eyepiece Optical Lens With Scales Made of high-quality optics and metal, it is durable and practical. The magnification is WF10X, the image is bright and clear, and the effect is clearer. When using this product, the eyes are not easily fatigued, which can effectively protect eyesight Eyepiece lens HWF10X high eye point wide field view for stereo Specification: Field of View: 18mm/0., 8in Mounting Size 23., 2mm/0., 9in Magnification: WF10x Weight: Approx., 70g/2., 5oz Package list: 1 x Eyepiece Lens For biological microscopy with the interface of 23., 2mm , Mounting size is 23., 2mm, and easy to mount , Weight: Approx., 70g/2., 5oz WF10X-18mm High Eyepoint Wide Field Microscope EyepieceView more WF10x/18 eyepiece, high eyepoint, with pointer.