Carson TriView 3x/5.5x/8.5x and 5x/10x/15x Folding Loupes with Built-In Case (TV-15 and TV-36)

Amazon.com Price: $6.52 (as of 05/01/2018 14:41 PST- Details)

Three fold out 5x Power Loupes
Combine the Loupes together to make 5x, 10x, or 15x magnification
Compact and light weight with protective case