A 3½ x 5mm. chrome-metal body ring camera with a Trioplan f/2.8 10mm. lens, iris diaphrgam, single-speed shutter, removable brass film-insert section, exterior engraved Trioplan 20 Warsavie.

Details

A 3½ x 5mm. chrome-metal body ring camera with a Trioplan f/2.8 10mm. lens, iris diaphrgam, single-speed shutter, removable brass film-insert section, exterior engraved Trioplan 20 Warsavie.

Literature

c.f. Christie's South Kensington, Cameras and optical toys, 15 March 1991, lot 206.
White (1990), Subminiature photography, p.216, 217.

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