|
Glossary
O
One
shot developer:
A developer used once and then discarded.
Opaque:
Describes 1.) any substance or surface that will not allow light
to pass; 2.) a paint used to block out portions of a negative so
that they will not allow light to pass during printing.
Open
up: To increase the size
of a lens aperture. Opposite: stop down.
Orthochromatic:
Film that is sensitive to blue and green but not to red wavelengths
of the visible spectrum. Abbreviated ortho.
Overdevelop:
To give more than the normal amount of development.
Overexpose:
To give more than normal exposure to film or paper. The resulting
silver density is often too great for best results.
Oxidation:
Loss of chemical activity due to contact with oxygen in the air.
N |
P
|
|
