Professional Binoc. Magnifier 4.5X-42cm Fixed to Frame Reading magnifiers that rest on page a calibration weight is built

a calibration weight is built into the balance

it will not work on chrome or steel (it goes on

A digital loupe with a nice large (50mm diameter) screen and bright light (which can also be switched to UV)

This item does not come with instructions so please make a note of this:

Professional Binoc. Magnifier 4.5X-42cm Fixed to Frame Reading magnifiers that rest on page a calibration weight is builtSummary 2. 5X, 3. 5X or 4. 5X magnification. 34cm or 42cm working distance. Fixed to a spectacle frame (i. e. the spectacle frame is included). The spectacle lenses are plain, no prescription, though you could get your optician to make lenses to correct for astigmatism. Comments Instead of 'simple' lenses, these lenses are, in effect, two very high quality (tiny) telescopes. which means: a combination of magnification with a long working distance (42