Foot Candle
Foot candle
Foot Candles for illumination levels. Many methods of film speed rating (historical) including Hurter an Driffield, Scheiner, BS (British Standard) ASA and ANSI, APEX. F numbers - this may now be an SI unit.
It is widely used in standard film-based (pre-digital) Photography.
It is widely used in standard film-based (pre-digital) photography.
processing film chemicals used /unused
Magnesium is used in photography to produce a bright and intense light when ignited. Magnesium powder or ribbon is often used in flash photography to create a brief, high-intensity flash of light. This helps to properly expose the film in low-light conditions or freeze motion in fast-moving subjects.
The standard 35mm film print sizes used in photography are typically 4x6 inches, 5x7 inches, and 8x10 inches.
"Fast" film registers light more quickly than slow film. Fast film is usually used for low light photography, high speed photography (for sports, etc.) or similar needs.
There is no specific situation in which film ought to be preferred. Preferences for the use of film vs. digital are different for each individual photographer. However, traditionally black and white film photography is seen as what is used for the medium of 'fine art photography'. Other then that it all comes down to individual habits.
They used trick photography and puppets from Jim Henson.
Glass was used as a lens protector. Now we use plastic.
Silver (Ag) - atomic number 47.