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Full Aperture Trial Lens Set 267 full aperture pieces in a plastic tray with a lockable aluminum frame carrying case.
This trial lens set consists of: Plus (+)/minus (-) sperical lenses (one pair of each) ranging from 0.25 to 20 diopters. Plus (+)/minus (-) cylindrical lenses (one pair of each) ranging from 0.25 to 6 diopters prisms and accessories. The power of the lens is marked on both sides of the handle. The spherical lenses are mounted in a chromic rim, while the cylindrical lenses, prisms and accessory lenses are mounted in nickel rims. The diameter of each lens is a standard 38mm. The tray can be taken out of the case and placed into a drawer.
Spherical Lenses: (plus [+]/minus [-], one pair of each) 0.25 – 6 diopters in 0.25 diopter steps (24 lenses) 6.50 – 10 diopters in 0.50 diopter steps (8 lenses) 11 – 14 diopters in 1 diopter steps (4 lenses) 16, 18 and 20 diopters (3 lenses)
Cylindrical Lenses: (plus [+]/minus [-], one pair of each) 0.25 – 4 diopters in 0.25 diopter steps (16 lenses) 4.50 – 6 diopters in 0.50 diopter steps (4 lenses)
Prismatic Lenses: 0.5, 1, 2, 3 and 4 prism diopters (1 pair of each) 5, 6, 8 and 10 prism diopters
In addition there are 2 plus (+15 D) and 2 minus (-15 D) lenses, an additional 1.0 mm slit lens, frosted lens, 0.5 D Jackson crossed cylinder.
Accessories: Green filter lens, red filter lens, clear plano lens, clear plano lens with cross, slit lens (1.5 mm), pinhole plate lens (1.0 mm), pinhole plate lens (1.5 mm), black occluder lens, clear Maddox lens, Jackson crossed cylinder (0.25 D), lens cleaning cloth (28 x 48 CM), plastic tray in aluminum case with 2 combination locks. Tray can be taken out of the briefcase and placed in a drawer. All lenses have a metal rim with the power marked on both sides of the handle. The diameter of each lens is a standard 38 mm.