The Hastings Triplet Hand Lens is the finest hand lens made by Bausch & Lomb, is highly corrected for spherical and chromatic aberration. Their compound lens is formed from three separate lenses bonded together and provides very distinct images with no color distortion. A swing-away, nickel-plated case protects the lens and serves as a handle.
| Model # | Focal Distance | Power | Lens Dia. | Price |
| HT-07x | 1 1/2″ | 7X | 3/4″ | $32.00 |
| HT-10x | 1″ | 10X | 9/16″ | $33.25 |
| HT-14x | 3/4″ | 14X | 7/16″ | $39.25 |
| HT-20x | 1/2″ | 20X | 5/16″ | $39.25 |
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