Term - Canada balsam
|Canada balsam||SWPP and BPPA Photographic Glossary|
Thursday 23rd May 2013
Fluid resin with a refractive index similar to glass. It is used for bonding elements in compound lenses.
Information provided by: SWPP BPPA
SWPP & BPPA, 6 Bath St, Rhyl, LL18 3EB