The best replacement for concave lens is convex lens.

The best alternatives to concave lens are rated as following:
★★★★★  convex lens
★★  concave mirror
★  convex

Your alternative for concave lens is not listed? Suggest!


No companions for concave lens have been suggested so far.
You have in mind a companion for concave lens and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of concave lens in all years. Click on graph for more.
concave lens
convex lens
concave mirror