Traveling refraction case

$Traveler‘s refraction case with foldable miror, Test chart for direct and mirorred reading Built in electrical light. Spherocylinder set of 200.With trial frame and 1 cross cylinder$

Traveler‘s refraction case with foldable mirror

Traveler‘s refraction case with foldable mirror. Test chart for direct and mirrored reading Built in electrical light. Spherocylinder set of 200.With trial frame and 1 cross cylinder