Description

this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image-formation and ray-tracing setups

packaged in a hard plastic case with standard-size pieces

Double-walled in aluminum to minimize heat exchange with the surrounding air

Pairs 75 by 50mm with 18mm thickness on an acrylic rectangular refraction block

Hollow Acrylic Semi-Circle for Refraction Index Study, 3 x 1.5 x 1.75" Subject_Anatomy this 80mm steel needle inAcrylic semi circular block measuring 3 x 1. 5 x 1. 75 inches with a center indicator line, used to study Snell's law, total internal reflection, and critical angle behavior.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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Hollow Acrylic Semi-Circle for Refraction Index Study, 3 x 1.5 x 1.75" Subject_Anatomy this 80mm steel needle in

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