369 Tesla - Lens Power
Mobile Learning App
Lens Power Simulator
Lens Type
Focal Length: 0.50 m
Power of this lens:
P = 1/f = 2 D
Positive power means this is a converging lens.
Did you know?
When an optician prescribes glasses with +2.5 D, they're giving you a convex lens with a focal length of 40 cm!