UCanSee 266 pcs Optical Trial Lens Set Kit Metal Rim Aluminum Case

The UCanSee 266-piece optical trial lens set is a glass lens kit for refraction testing, subjective vision checks, and optical training. Metal rims protect the lenses while the labeled tray and aluminum case keep powers organized for repeated selection during eye exams. Specifications: Total Lenses: 266 pieces Spherical Lenses: 160 pieces, plus and minus pairs from 0.12 D to 20.00 D Cylindrical Lenses: 80 pieces, plus and minus pairs from 0.12 D to 6.00 D Prism Lenses: 12 pieces, paired 0.50 D, 1.00 D, and 2.00 D; single 3.00 D to 8.00 D Auxiliary Lenses: 14 pieces, including PL, CL, FL, MR, PH, SS, RF, GF, BL, and cross cylinder 0.25 D and 0.50 D Rim Size: 36 mm inner diameter, 38 mm outer diameter Case Type: Aluminum case with combination lock Package Includes: 266 lenses, trial frame, instruction, and lens cloth Package Dimensions: 22.05 x 16.14 x 3.94 in Package Weight: 13.56 lb