ambrotype

The ambrotype (from — “immortal”, and — “impression”) or amphitype is a photograph that creates a positive image on a sheet of glass using the wet plate collodion process. In the United States, ambrotypes first came into use in the early 1850s.

1. The ambrotype photograph, with its unique glass plate, captures the subject in stunning detail.
   这张玻璃底片的 ambrotype 照片以惊人的细节捕捉到了人物。
2. Collectors often seek out antique ambrotypes for their historical value and craftsmanship.
   收藏家常因其历史价值和工艺水平而寻找古老的 ambrotype 照片。