极其罕见的德国军用相机，刻有“E.förde”字样，顶板上有鹰和纳粹标志。E.förde意为埃克尔恩弗尔德鱼雷试验所（Torpedoversuchsanstalt Eckernförde）是后勤机构，为前线提供武器供给。它隶属于德国国防军海军总司令部的鱼雷武器管理局。1940年2月，试验所进行了彻底的重组，规模急剧增大。1940年10月，在格丁尼亚成立了新的分局，另外1942年，又在新勃兰登堡成立了新的分局，后者也是德国国防军海军总司令部的工业试验所。格丁尼亚和新勃兰登堡的分局虽然隶属于鱼雷试验所，但实际上直接隶属于德国国防军海军总司令部。这枚Elmar f3.5/50mm镜头（编号584372，刻有M（海军）字样，带鹰和纳粹标志），是唯一一台带有这种标志的相机。它原装成色，运行正常，带灰色皮革外皮。 extremely rare German Military camera engraved 'E.förde' with eagle and swastika on the top plate: The Torpedoversuchsanstalt Eckernförde was subordinate to the for troop services and in relation to front supply. In relation to torpedo development it was subordinate to the OKM/Twa. In February 1940 there was a massive re-organisation of the Versuchsanstalt. It was significantly increased in size and in October 1940 an Abteilung was set up in Gotenhafen and in 1942 an Abteilung in Neubrandenburg, the latter was also the Industrie-Versuch-Anstalt des OKM. The Abteilungen in Gotenhafen and Neubrandenburg belonged to the Torpedoversuchsanstalt (T.V.A.) but were technically subordinate to OKM directly. The Elmar 3.5/5cm no.584372 engraved 'M' (Marine)+ eagle and swastika - only one other camera with this engraving is known to exist, it is original and working condition with grey leather covering