FSA-1 means Field Scope Adaptor, model 1 in
Photography
Similar to FSA-1
DDF - Darkness Distortion Factor
DFUS - Developing Flash Using SWISH
DGS - Diffuse, Glossy, and Specular
DMC - Digital Manual Camera
DPA - Digital Picture Album
DPOF - Digital Print Order Format
DPP - Digital Photo Processing
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