Description

silvered back with protective coating

each plain-shanked for clamping or holding

letting students snap cord directly into place for faster classroom setup and teardown

used for spring-constant and elastic-deformation work

blue and the secondaries green

Double Concave Acrylic Lens, 86mm, 20cm Focal Length Glassware silvered back with protective coatingAcrylic double concave lens at 86mm length and 20cm diverging focal length, the lightweight body producing virtual upright reduced images for safer per desk divergence demonstrations.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Double Concave Acrylic Lens, 86mm, 20cm Focal Length Glassware silvered back with protective coating

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