COLLODION PHOTOGRAPHIC

PROCESS

1839

Daguerreotype

Louis Daguerre

1851

Collodion

Frederick Scott Archer

1841

Calotype

William Henry Fox Talbot

Daguerreotype wasa commercialsuccess

A plate the customerobtained was the samethan that in the camera.

There was nonegative. Highprice

You can printdozens of printsfrom one negative.

You obtain avery softphotograph.

Wet collodionprocess could giveyou a negative tomake paper print.

It could give you adirect positive platecalled anambrotype andanother directpositive called atintype.

Tricky to apply

Zinc bromide

Pyroxylin Alcohol

Silver nitrate

Ambrotype

Tintype