Field Testing Full Aperture Trial Lens Set (13 Lenses)

The Field Testing Full Aperture Trial Lens Set (13 Lenses) is a small set of 13 lenses, contained in an attractive wooden case.

The Field Testing Full Aperture Trial Lens Set (13 lenses) consists of;

• Spheres - 6 plus (+) 1, 2, 4, 5, 6 and 8 dioptres
•             - 3 minus (-) 1, 2, 3 dioptres
• Cylinders - 4 minus (-) 1, 2, 3 and 4 dioptres