Optical Optic Trial Lens Frame 232pcs Optical Glass Trial Lens Set ，Optometry Kit Optometry Box Glasses Optometry Equipment, 26mm Aperture, Plastic Circle, Aluminum Suitcase

• 【Measuring range】shp: 0.12-20.00DS, PRISM: 0.5-8.0, 232pcs.
• 【26mm clear aperture】The handle degree is sprayed on one side, which is more convenient for use and inspection. The axis marks of the cylinder and prism are directly engraved on the mirror surface, and the axis position will never change.
• 【Gap widening treatment】The upper and lower inserts are more convenient, and the standard slot effectively protects the lens.
• Wide application: The optometry frame has a wide range of uses, suitable for opticians, hospitals, ophthalmology, schools, factories and mines, etc. for vision examination, and can provide a variety of adjustments to ensure that the patient wears it correctly and comfortably.

Wide application: The optometry frame has a wide range of uses, suitable for opticians, hospitals, ophthalmology, schools, factories and mines, etc. for vision examination, and can provide a variety of adjustments to ensure that the patient wears it correctly and comfortably. Product Description: High-quality optical glass, aperture 26mm, a total of 232 Widening grid gap processing, up and down inserts easier Light through the large diameter High-quality optical glass Technical Datas: Model name:SL-232 Packing number:232(pcs) Measuring range:SPH:0.12-20.00DS Material:High-quality optical glass CYL:0.12-6.00DC Weight :4kg PRISM:0.5-8.0 Chip size: diameter 38mm,clear aperture 26mm Product size(mm):503*380*75 Purpose: vision testing hint: 1. Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks! 2. Please avoid 1-3cm measurement deviation due to manual measurement