Lens Set Specifications:

104 pcs (ID 26MM) Red and black plastic rims with large, high quality, lens centers.  Plus Spherical Lenses: 18 pair convex Minus Spherical Lenses: 18 pair concave 0.25D to 2.00D in 0.25D steps, 2.00D to 5.00D in 0.50D steps,  5.00D to 8.00 in 1.00D steps, 10.00D lens  Plus Cylinder: 6 pair convex Minus Cylinder: 6 pair concave 0.25D to 1.00D in 0.25D steps, 1.00D to 3.00D in 1.00D steps Prism: 2 prism pieces 0.50D and 1.00D Accessories: Red Filter Lens, Black Lens, Pin Hole Lens, Slit Lens, Frosted Lens, Cross-cylinder 0.25 x 0.50 Professional aluminum case   

FREE 62mm Trial Frame Included!

A good quality, plastic and aluminum trial frame that provides lightweight comfort for the patient and fingertip control of the cylinder adjustments. 

Specifications: PD both eyes: 64 mm. Left and Right PD: 32 ~ 32 mm  Inner diameter of lens frame: 32.5mm.  Number of lenses that can be inserted into left or right frame simultaneously is 4.  Drive gear and pinion knobs for easy cylinder cell rotation.