Trial frame lens set 51-BD

B Trial Lens set. Composition of 236 pieces trial lenses only tray. B spherical positive and negative: 0.12 – 0.25 – 0.50 – 0.75 – 1.00 – 1.25 – 1.50 – 1.75 – 2.00 – 2.25 – 2.50 – 2.75 – 3.00 – 3.25 – 3.50 – 3.75 – 4.00 – 4.50 – 5.00 – 6.00 – 6.50 – 7.00 – 7.50 – 8.00 – 9.00 – 10.00 – 11.00 – 12.00 – 13.00 -14.00 -15.00 -16.00 – 18.00 – 20.00 B cylinder positive and negative: 0.12 – 0.25 – 0.50 – 0.75 – 1.00 – 1.25 – 1.50 – 1.75 – 2.00 – 2.25 – 2.50 – 2.75 – 3.00 – 3.25 – 3.50 – 4.00 – 4.50 – 5.00 – 6.00 Prism: 1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 – 9 – 10 Accessories: white maddox – crossed lenses (2 pieces) – pinhole – occluder – slit – red filter – green filter – frosted lens- plane lens Also available without positive Cylinders