American Optical Studio Camera and Lens, New York, c. 1880, mahogany standards, brass hardware, geared rear swing and tilt, front rise and fall, fine focus lever, fitted with 8 x 10 sliding back, and an 8-in. square lens board with a 365mm, f/6.3 Carl Zeiss Tessar lens No. 92492.
Finish as expected with age. Both bellows look to be OK but have not been tested for light leaks. Lens has a working internal F stop diaphragm.