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Trial Lens Set  Beta Series

Beta Series
Accurate 24.0 mm diameter lenses of Meniscus or standard form with light weight aluminium rims of 38.0mm. All rims are engraved with power in two places for easy identity.

Composition

Spheres 32 pairs each of Plus and Minus
Cylinders 19 pairs each of Plus and Minus
Prism 10 Pcs.
Accs. 7 Pcs.
Beta 25H Meniscus is supplied with Meniscus corrected curve lenses, fitted in wooden tray.
Beta 25H "R" is supplied with standard form lenses, ABS moulded tray in Leatherette Carrying Case.