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Optically Worked Double Convex Glass Lens, 75mm Diameter, 250mm Focal Length StockedLY9121 plano-concave

Optically Worked Double Convex Glass Lens, 75mm Diameter, 250mm Focal Length StockedLY9121 plano-concaveLong focal double convex glass lens at 75mm diameter and 250mm focal length, the f 3. 3 geometry stretching focal throw for distant screen projection of well formed real images.

SKU: 37779746948 · From chapuisstores.ch

4.4
USD14.79 USD47.79

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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

Description

plano-concave

with the (Cu) element stamp and a total 1

and resonance experiments

Air-cooled rheostat at 125 ohms and 1

Optically Worked Double Convex Glass Lens, 75mm Diameter, 250mm Focal Length StockedLY9121 plano-concaveLong focal double convex glass lens at 75mm diameter and 250mm focal length, the f 3. 3 geometry stretching focal throw for distant screen projection of well formed real images.

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