Specifications:

• Sphere: 40 lenses altogether (5 in each bar), 4 bars for each of concave (-) and convex (+)
• 0.50, 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 5.50, 6.00, 6.50, 7.00, 7.50, 8.00, 8.50, 9.00, 9.50, 10.00
• Excellent for gaining quick retinoscopy results (particularly for children).
• Larger aperture lenses making it easier for beginners/students.
• Set comes in custom made case.