... quality and service 4)ISO,CE dental loupe Factory Directly 5x Surgical Dental Loupes MIcroscopes top quality optics at the best ... warranty.• Adjustable angular viewing•Ultra-light weight•DM series magnification:5X,5.5x,6X, and 8X •Working distance are optional from 280mm ... we can provide “DM” Series dental loupes as follows:5.5x,6x and 8x , if you have any need , please do ...