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James (Jim) Johnson had a 25-year career as a software developer for IBM, and also worked as a contract technical editor for Microsoft. After retiring, technical writing and editing became his primary source of income to cover the cost of his “toys”—most of which were computer and photographic equipment.

Jim’s involvement with cameras began in the mid ‘50s when he needed to record the interior of caves in Kentucky. At the time, the greatest challenge was to provide adequate illumination in a manner that did not defile the cave; thus, he purchased a Leica IIIf camera (which was the norm at that time) and experimented with numerous lighting sources. ...

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