These large lenses are perfectly suited for classroom experiments and to illustrate aberration phenomena.
- Outer diameter: 200 mm - Useful diameter: 145 mm - Thickness: 10 to 20 mm - Focal length: 200 mm, 500 mm, 1000 mm - Material: optical glass K9 - Treatment: anti-reflective - Mount: aluminum - Support: rod Ø10 mm - L100 mm - Mass: 0.8 to 1 kg