Manual phoropter VT-30

•Unique design of butterfly-shape appearance. •Capable of checking up all-sided visual functions,accurate and. •comfortable in measurement. •Exquisite manufacturing technique,with comfortable feel. •High grade plated-film used in all optic lenses. Description Sphere Range:-19.00D~+16.75D Step: 0.25D; When applied with auxiliary lens +0.12D Step:0.12D Cylinder Range:0~-6.00D;When applied with auxiliary cylinder lens: 0~-8.00D Step:0.25D; When applied with auxiliary cylinder lens +0.12D Step:0.12D Cylinder axis Range:0~180°;Step:5° Rotary prism Range:0~20;Step:1 Cross Cylinder Cross cylinder lens synchronized with cylinder asis PD adjustment 50~75mm;Step:1mm Convergenc adjustable ∞,380mm(When PD 64mm) Forehead reat adjustable 16mm Vertex corned distance 13.75mm(From corneal point to standard lens surface) Dimension 335(L)*320(W)*98(H)mm weight 5kg