Category:Globe - Pantoskop - Periskop - Hypergon lens diagrams

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Classed as "Wide-angle Rectilinear Lenses" in Photography: Theory and Practice, developed in the 1860s as an inverted symmetric arrangement of the Wollaston single-meniscus landscape lens.

Media in category "Globe - Pantoskop - Periskop - Hypergon lens diagrams"

The following 12 files are in this category, out of 12 total.