Juego lentes vidrio DO-104021. Maletín 18 unidades

18 components including:
8 mineral glass lenses Ø 40, focal length: F+50, +100, +200, +500, -100, -150, -200, -500 mm
2 mirrors Ø 40: 1 flat and 1 flat/concave F -200 mm
8 diaphragms metal Ø40
Lenses and mirrors hooped with serigraphy (focal length)
Dimensions suitcase: 240 x 200 x 45 mm

Experiments

• Focometry