Thursday, April 3, 2014

Weekly vocab

1. Vest Pocket Kodak: Common camera that was easily concealable and small. It was commonly used during World War I
2. Meniscus Lens: a convex-concave lens and is thicker at the center than at the edges
3. Rapid Rectinear Lens (RR Lens): a lens that is symmetrical about its aperture stop with four elements in two groups

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