What is a film holder? A film holder is a device used in medium and large format photography cameras as a means to handle film. By name, camera film holders …
Reciprocity failure, also called the Schwarzschild effect, is the term used to describe photographic film’s non-linear response to low light exposure. What it means is that once the light levels reaching the film drop below a certain threshold, the effective sensitivity of the emulsion decreases.
A safelight is a type of lighting fixture used to provide working light in photographic darkrooms. It is a light source emitting light in an area of the spectrum that does not affect the light sensitive materials for which it is designed.
A cable release, also known as a threaded cable release, is a device used to actuate the shutter of a camera without touching the shutter button.