Hi Paul
This is the type I got but at a much cheaper price. About £20 I recall correctly. I've personally had no issues and to my eye they don't distort either the object or colours.
Good luck.
Andrew
https://www.amazon.co.uk/Optical-MagniVisor-Head-Worn-Magnifier-Different/dp/B01B64353M
This is the type I got but at a much cheaper price. About £20 I recall correctly. I've personally had no issues and to my eye they don't distort either the object or colours.
Good luck.
Andrew
https://www.amazon.co.uk/Optical-MagniVisor-Head-Worn-Magnifier-Different/dp/B01B64353M