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37.5 mm Lens Set
Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. ..
50 mm Lens Set
Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. ..
75 mm Lens Set
Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. ..