Product Code: 7279/01Dipotres / Mag: 17.7D / 5.4xLens Diameter: 49.6mmImage Vergence: -4.0DEffective Focal Length: 56.60mmField of View on Page: 44.0mm7279/01 (5.4x) Low Powered Raylite HeadPart No:7279/01 Technical SpecificationsDipotres / Mag: 17.7D / 5.4x Lens Diameter: 49.6mm Image Vergence: -4.0D Effective Focal Length: 56.60mm Field of View on Page: 44.0mm
