260 full aperture pieces in a wooden tray with a lockable leatherette carrying case.
This trial lens set consists of: plus (+)/minus (-) spherical 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. In order to facilitate fast recognition of individual lenses, the lenses are mounted in color-coded aluminum handles. The plus (+) spherical and cylindrical lenses are mounted in a black-colored rim with a round handle. The minus (-) spherical and cylindrical lenses are mounted in a red-colored rim with a square handle. The prism and accessory lenses are mounted in a grey rim. 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
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 (0.25D), lens cleaning cloth (11″ x 19″), grey velvet tray in a black leatherette case with 2 combination locks.