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>William Henry Jackson, as a member of the U. S. Geological Survey exploring the Teton country in 1872
Look at this hard son of a gun
>Jackson worked in multiple camera and plate sizes, under conditions that were often incredibly difficult.[3] His photography was based on the collodion process invented in 1848 and published in 1851 by Frederick Scott Archer. Jackson traveled with as many as three camera-types—a stereographic camera (for stereoscope cards), a "whole-plate" or 8x10" plate-size camera, and one even larger, as large as 18x22". These cameras required fragile, heavy glass plates (photographic plates), which had to be coated, exposed, and developed onsite, before the wet-collodion emulsion dried. Without light metering equipment or sure emulsion speeds, exposure times required inspired guesswork, between five seconds and twenty minutes depending on light conditions.
Look at this hard son of a gun
>Jackson worked in multiple camera and plate sizes, under conditions that were often incredibly difficult.[3] His photography was based on the collodion process invented in 1848 and published in 1851 by Frederick Scott Archer. Jackson traveled with as many as three camera-types—a stereographic camera (for stereoscope cards), a "whole-plate" or 8x10" plate-size camera, and one even larger, as large as 18x22". These cameras required fragile, heavy glass plates (photographic plates), which had to be coated, exposed, and developed onsite, before the wet-collodion emulsion dried. Without light metering equipment or sure emulsion speeds, exposure times required inspired guesswork, between five seconds and twenty minutes depending on light conditions.
