Sociedad Ibero-Americana de la Historia de la Fotografia Museo Fotográfico y Archivo Historico "Adolfo Alexander"
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Kgb ring


Used for spy purposes, and discrete picture taking. This ring uses film around the finger, and has a high definition lens.

Frame is advanced by top lever which also cocks the shutter.

Single speed, single diaphragm and fixed focusing. Optical front disguised by front cover.