- minimized. It can be
further minimized by
using an
achromatic lens or
achromat, in
which materials with
differing dispersion are ****embled
together to...
- This word was
first used by
Robert Blair to
characterize a
superior achromatism, and, subsequently, by many
writers to
denote freedom from spherical...
- An
achromatic lens or
achromat is a lens that is
designed to
limit the
effects of
chromatic and
spherical aberration.
Achromatic lenses are
corrected to...
- The Chasman–Green lattice, also
known as a
double bend
achromat lattice (DBA lattice), is a
special periodic arrangement of
magnets designed by Renate...
- that the object-gl****es of
telescopes must
forever remain imperfect,
achromatism and
refraction being incompatible. This
inference was
proved by Dollond...
-
costly fluorite gl**** and to very
tight tolerances.
Photographic lens
Achromat Apochromat Herzberger, M., and N. McClure, The
design of superachromatic...
-
around the image. It can be
minimised by
using an
achromatic doublet (or
achromat) in
which two
materials with
differing dispersion are
bonded together to...
- the
aberration by
using multiple elements of
different types of gl****.
Achromats are lens
groups that
bring two
different wavelengths of
light to the same...
-
correction of
chromatic and
spherical aberration than the much more
common achromat lenses. The
prefix apo-
comes from the Gr****
preposition ἀπό-, meaning...
- that the object-gl****es of
telescopes must for ever
remain imperfect,
achromatism and
refraction being incompatible. This
inference was
proved by Dollond...
