Term - Critical aperture
|Critical aperture||SWPP and BPPA Photographic Glossary|
Tuesday 21st October 2014
Setting at which a lens gives its best performance. The setting offers the best compromise between diffracting due to small aperture and lens aberrations apparent at wide apertures.
Information provided by: SWPP BPPA
SWPP & BPPA, 6 Bath St, Rhyl, LL18 3EB