عدسة محدبة مزدوجة من United Scientific™، قطر 50 مم، البعد البؤري 250 مم، عدسة واحدة لكل واحدة
مميزات خاصة
- DOUBLE CONVEX || Highly polished, double convex lens
- SPHERICAL || Lens measures 50mm in Diameter with a 250mm 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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