Bausch + Lomb Hastings Measuring Magnifiers

Bausch & Lomb Hastings Triplet Measuring Magnifiers are a valuable tool whenever and wherever precision work is performed. The Hastings lens is adjustable for individual focus and provides a flat, distortion-free image. The precision ground, Hastings triple aplanatic lens can be quickly focused and the long, transparent body allows natural light to illuminate the subject. The included protective case keeps the magnifier safe and damage-free, even in harsh work environments.  The case holds the lens and has slots for each measuring scale (sold separately). Available in 7x and 10x magnification.
The Bausch + Lomb Measuring magnifiers can be used on their own or you can attach one of the Bausch + Lomb Measuring Scales (sold separately)

Hastings 7x Triplet Measuring Magnifier B+L Part Number 813435 Focal distance: 1" / 2.5 cm Diopters 40 Lens Diameter 15.8 mm 10x Magnification

Hastings 10x Triplet Measuring Magnifier B+L Part Number 813433 Focal distance: 1.5" / 3.9 cm Diopters 28 Lens Diameter 19.8 mm 7x Magnification.