40m Range Finder Lens uses PMMA acrylic material to customize and produce lenses, mainly used for lenses on 40m ranging instruments. LIANLONG Optoelectronic Technology Co., Ltd. is a professional manufacturer of lenses that can be designed and customized according to customer needs. Product Name 40m Range Finder Lens Product Material PMMA/acrylic Product Size 13.5*10.5*5mm Pitch of thread 40m Product Introduction mainly used for lenses on 40m ranging instruments