Hastings Triplet Magnifier, Power 20X, Diopter 80D, Focal Distance 0.5 in, 1.3 cm, Lens Diameter 8.3 mm, Case Nickel Plated, Swing Away, Features Incorporates 3 Separate Glass Lenses Bonded Together to Form a Compound Lens, Very Distinct Magnified Image Without Distortion, Lens Glass, Overall Length 21/64 in This Hastings triplet magnifier features 3 separate glass lenses bonded together to form a compound lens.
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