Hastings Triplet Magnifier, Power 10X, Diopter 40D, Focal Distance 1 in, 2.5 , Lens Diameter 15.8 mm, Case Plastic, Features Incorporates 3 Separate Glass Lenses Bonded Together to Form a Compound Lens, Very Distinct Magnified Image Without Distortion, For Use With Handles; Items That Need to Be Seen At A Closer Distance, Lens Hastings Glass, Overall Length 5/8 in.
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