Stereo Magazine Camera, c. 1885

Probably Germany, for export. Black leather-covered spruce wood, for 8.5 x 17 cm plates, transport mechanism on the side of the body, likely only functional when the camera is moved. Lens: Rapide Aplanat 8/15 cm, aperture markings in old English/US values starting with 4 (equivalent to today's f/8). Close-up focusing is achieved via three swiveling close-up lenses in the aperture plane, marked 18, 10, and 4. The shutter operates at speeds from 1/0 to 1/200 with the same exposure time, front and back can only be opened by hidden push buttons on the edge, with dealer's label "Kongsbak & Cohn, Copenhagen", no inserts, with a counter for 12 exposures, spirit level is functional. Dimensions (L/W/H): 19 x 21.5 x 15 cm. A previously unknown stereo camera with a sophisticated focusing mechanism.

布雷克拍品等级是为了方便竞买人判断拍卖品的成色而设置的。布雷克等级用1到6级来标注外观和功能的成色，(从非常好到非常差)。 在目录图册里用括号里的2个数字来表示，前一个数字表示外观成色的级别，后一个数字表示功能成色的级别。如(3/2)表示外观成色是3(满意的)，功能成色2(好)。 成色 定义参照下列标准： 1 - 非常好 (未使用过，没有使用痕迹) 2 - 好 (新，极少的使用痕迹) 3 - 满意的 (普通的使用痕迹) 4 - 及格的 (明显的使用痕迹，某个非主要部件是后配的) 5 - 有缺陷的 (极明显的使用痕迹, 某个主要部件是后配的，功能上有缺陷，需要修理) 6 - 非常差 (严重破损, 缺少重要部件)