Carson TriView 5x / 10x / 15x Folding Loupe with Built-in Case. Each lens of the Tri-View Folding Loupe TV15 by Carson contains a 5x magnification. Combine two lenses together to make 10x magnification or three to make 15x magnification. This Carson Magnifier is lightweight portable and comes in it's own protective case. Specifications for Carson Tri View 5x/10x/15x Folding Loupe with Built-in Case TV-15: Magnification: 5x-15x power lenses Model: TV-15 Package Contents: Carson TriView 5x / 10x / 15x Folding Loupe with Built-in Case TV-15 Specifications for Carson TriView 5x / 10x / 15x Folding Loupe with Built-in Case TV-15: Manufacturer: Carson Magnification: 5 - 15 x Lens Diameter: 25.4 mm Color: Black/Grey Magnification Type: Variable Overall Length: 4.3 in Quantity: 1 Features of Carson TriView 5x / 10x / 15x Folding Loupe with Built-in Case TV-15 Magnification 5x 10x 15x Lens Diameter 30mm Package Contents: Carson TriView 5x / 10x / 15x Folding Loupe with Built-in Case TV-15 Carson TriView 5x / 10x / 15x Folding Loupe with Built-in Case TV-15