Feature(may vary by option.)

●Double convex || Highly polished, double convex lens
●Spherical: the lens measures 26.9 mm, 28 mm, 30 mm, 42 mm, 50 mm in diameter
●50 mm focal length, collecting lens with 50 mm focal length
●Optically processed glass: made of high-quality, optically processed glass. Highly polished with polished edges
●Great for physics lessons || This optically real lens is ideal for demonstrations of optics and light refraction in physics lessons

[50mm×50mm]





Description

Double-convex (biconvex) polished glass lens has two outward curved surfaces that converge light rays to a point to demonstrate optical principles and effects to students. The lens has a focal length of 50 mm and a diameter of 26.9 mm, 28 mm, 30 mm, 42 mm, 50 mm. It is made of polished glass with polished edges. Lenses are used in science experiments and demonstrations in the classroom.

Package includes:
1 x convex double lens.

Note:
Please allow 1-3 mm error due to manual measurement. Please make sure you do not mind before you bid.

Warm tips:
1. We recommend our customers to buy it very soon after your planned use.