Trial frame lens set

S4OPTIK Full Aperture Trail Lens Set with Plus and Minus Cylinders and Carrying Case. S4OPTIK precision trial lens set features full aperture lenses in color-coded lens rings (red and black) which make their use easy and intuitive. The set includes the following lenses: Paired Spherical Lenses · ±0.12 · ±0.25 to ± 6.00D in 0.25D steps · ± 6.50 to ± 8.00D in 0.50D steps · ±9.00 to ±16.00 in 1.00D steps · ±18.00, ±20.00 Paired Cylinder Lenses · ±0.12 · ±0.25 to ± 4.00D in 0.25D steps · ± 4.50; ± 5.00; ± 6.00; Prism Lenses · Paired 0.50, 1, 2, 3, 4∆ lenses · Single 5, 6, 8, 10∆ lenses Auxiliary Lenses · Red Lens · Green Lens · Slit Occluder · 0.5mm Pinhole Occluder · 1mm Pinhole Occluder · Black Occluder · White Maddox Rod · Plano · Cross Target