Set of trial spectacle lenses and prisms medium NS-277-01

Designed for selection of corrective glasses by the method of subjective test. The set includes: Stigmatic spectacle lenses with posterior vertex refraction from +/- 0,25 to +/- 20,00dptr - 68 pairs. Astigmatic spectacle lenses with posterior vertex refraction in one main section: from +/- 0,25 to +/- 6,00dptr-40 pairs.Spectacle lenses with prismatic action from 0,50 to 10,00 srad-15 pcs.Neutral glass light filters with transmission coefficient: 25% - 2 pcs.; 50% - 2 pcs.; 75% - 2 pcs. Colour filters: red - 1 pc; blue-green - 1 pc. Plane-parallel plates - 2 pcs.Meddox cylinder -1 pc.Matte glass - 1 pc.Crossed cylinders: +/- 0,25 - 1 pc; +/- 0,5 - 1 pc. Occludor (screen) -1 pc.Diaphragms with aperture diameter: 1,5 mm-1 pc; 3,0 mm-2 pcs; 4,0 mm-1 pc. Slit diaphragms 1,5X12 mm-2 pcs.Universal trial frame OPU-01-1 pc.Table for selection of glasses for near vision-1 pc. Napkin 1 pc.Case gabar.dim., mm, not more than 565h365h95 -1 pc.Passport-1 pc.Weight of the set in the case not more than 5.5kg.