عدسة مقعرة مزدوجة من United Scientific™، قطر 50 مم، البعد البؤري 300 مم، عدسة واحدة لكل واحدة
مميزات خاصة
- DOUBLE Concave || Highly polished, double concave lens
- SPHERICAL || Lens measures 50mm in Diameter with a 300mm Focal Length
- OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges
- GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction
وصف
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.
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