Diopters require no exposure compensation.
They may be 'stacked' for a greater macro effect. (+5 & +2 = +7)

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.7 inch
Height : 0.87 inch
Length : 3.7 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B0000BZL5G