The Regula 1013 is excellent for document examination under white oblique light or UV illumination at 365nm.  This magnifier also detects Anti-Stokes luminescence.  Intended for verifying the authenticity of documents and identification.  This magnifier features 10X magnification, White and UV 365nm illumination.  Includes a set of three rechargeable batteries with a micro USB charging cable.  Also available with attached measuring scale.  Carrying Case sold separately.