Potassium thiocyanate

Potassium thiocyanate

Chemical used in some fine grain developers as a silver solvent.

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Category: Professional photography
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potassium thiocyanate

Chemistry; Inorganic chemistry

KCNS Water- and alcohol-soluble, colorless, odorless hygroscopic crystals with saline taste; decomposes at 500_C; used as an analytical reagent and in freezing mixtures, chemicals ...

potassium thiocyanate

Photography; Professional photography

chemical used in some fine grain developers as a silver solvent.

thiocyanate

Chemistry; Inorganic chemistry

A salt of thiocyanic acid that contains the _SCN radical; for example, sodium thiocyanate, NaSCN. Also known as sulfocyanate; sulfocyanide; thiocyanide.

thiocyanate

Science; General science

A compound containing the –SCN group, typically a salt or ester of thiocyanic acid (HSCN). Thiocyanates are bonded through the sulfur(s) and have the structure R–S–C≡N. They are ...

thiocyanate

Science; General science

A salt or ester of thiocyanic acid.

rubber lens-mount gasket

Photography; Professional photography

A flexible rubber gasket that forms a seal between the lens and the camera body.

subject-to-camera distance information

Photography; Professional photography

The data supplied to the camera by the lens indicating the distance from the camera to the subject. This information makes possible advances like 3D Color Matrix Metering II and ...

vignetting

Photography; Professional photography

A loss of brightness or saturation at the periphery of an image; usually not desired, but sometimes used to create a vignette framing the subject at the center of the image.

special effects mode

Photography; Professional photography

A mode in which the user can create artistic results simply by adding special effects to still images and movies. To select an effect, the user rotates the mode dial to EFFECTS ...

still picture

Photography; Professional photography

A photograph (static image) as opposed to a movie (moving picture).

stop-motion

Photography; Professional photography

Generic term for an animation technique which makes static objects appear to move. This is done by recording each movement of the object as an individual frame, when each frame ...