Mechanical centering tool for progressive and bifocal lenses. It enables quick and trouble-free determination of viewing height and PD spacing without the need for a marker.
Ceny widoczne po zalogowaniu: Sign inA simple, practical and ergonomic device for determining the diameter of eyeglass lenses.
Ceny widoczne po zalogowaniu: Sign inStainless, flexible ruler made of 200 mm steel.
Ceny widoczne po zalogowaniu: Sign inA device for measuring segment height in progressive lenses
Ceny widoczne po zalogowaniu: Sign inLens clock (radian apparatus, radian clock) is a precision measuring tool. Specially designed for accurate measurements of lenses. It is placed on the concave or convex side of the spectacle lens. With the ability to determine the curvature of the lens with a refractive index of 1.53. Made of stainless steel.
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