Illuminated magnifier crack

Illuminated magnifier crack (precision scale magnifier) -

Precision scale magnifier with 10-fold magnification for a distortion, pin sharp image.
The focus is on the focus ring grip. Fiberglass-reinforced polyamide achromatic, tempered glass lens.
Measuring range 20 mm, 0.1 mm pitch.
Supplied with an attractive case.

Power for light is supplied by two 1.5 V baby cells (C/LR14).