Term - Nodal points
|Nodal points||SWPP and BPPA Photographic Glossary|
Monday 9th December 2013
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