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Topcon TLS-AF Trial Lens Set offers a high degree of accuracy and ease-of-use. It features a maximum selection of lens powers and a special corrected curve additive design that compensates for thickness and air spacing between combined lenses.
Topcon TLS-FD is a full diameter metal trial lens set with carrying case. It is a cost-effective combination of spheres, cylinders, and accessory lenses. These economical bi-convex and bi-concave lenses are mounted in metal rims that have the lens power engraved on both sides of the handle.<