Definition: Focal Plane Mark
That funny symbol on the side of most DSLR cameras is called a Focal Plane Mark. We have put two new definitions into the Photography Glossary today which explain this mark and how to use it.
Definition: Plane of focus; Focal Plane; Film Plane; Image Plane;
Related articles/links:
Definition: Focal Plane Mark
Digital image sensor
Focal plane shutter (see: Shutter)
Definition: Plane of focus; Focal Plane; Film Plane
Depth of field
Definition: Focal Plane Mark
Digital image sensor
Focal plane shutter (see: Shutter)
Definition: Plane of focus; Focal Plane; Film Plane
Depth of field