Ambrotype
A cheaper alternative to the daguerreotype, popular in the 1850s. An underexposed collodion negative on glass, backed with black, looks like a positive and was usually presented in a small case or frame.

Spot it
- 01Creamy pale highlights
- 02Black glassy depth
- 03Velvet-lined case frame
Why it happens
A thin, underexposed silver negative on glass appears as a positive when viewed against a dark backing, because the dark background shows through the clear areas as shadows.
Recreate it in Pixio
Image edit prompt“Render this image as an ambrotype: a creamy pale-gray image floating on glass over a deep black backing, soft glassy depth, small scratches and cracks, silvery tarnish at the edges, framed in a small gilt brass mat inside a worn velvet case. Keep the original subject and composition.”
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