Hama Dia B 602 Desktop Slide Viewer

A vintage Hama Dia B 602 (Article No. 3668) desktop transparency slide viewer, manufactured in Germany. The unit is constructed from black moulded plastic and is designed for viewing standard mounted slides. It features a large square viewing screen with two lenses measuring 76mm by 76mm. The device includes a top-loading slot for slides and a manually operated lever on the side for advancing or ejecting them. Technical specifications on the manufacturer’s label indicate it requires two 1.5V Mono (D) R20 batteries and uses an E10 base lamp rated at 2.5V / 0.5A. The body is clearly marked with the maker’s name and model details, including a secondary technical specification label.