Term - Nodal points
|Nodal points||SWPP and BPPA Photographic Glossary|
Friday 19th September 2014
Two points on the lens axis where a ray of light enters and leaves. The front point is where image distance is measured from and the rear one is where the focal length is measured from.
Information provided by: SWPP BPPA
SWPP & BPPA, 6 Bath St, Rhyl, LL18 3EB