glass lens plano convex, fixation point - more info check here: http://www.buymeasuringtools.com/plano-convex-glass-lens-fixing-point-10291910/
Quick Brief
Place of Origin: Jiangsu China (Mainland)Brand Name: GTModel Number: GT-D50FMaterial: GlassUsage: OpticalStructure: Plano-convexShape: Asphericlight transmittance: 93%OEM: availableSGS: approvedwith: fixing point