- An
apochromat, or
apochromatic lens (apo), is a
photographic or
other lens that has
better correction of
chromatic and
spherical aberration than the much...
-
correction can be
further increased, as seen in an
apochromatic lens or
apochromat,
which provides perfect correction at
three wavelengths. In general, correcting...
- semi-
apochromat objectives deal with
color better than
achromatic objectives. To
reduce aberration even further, more
complex designs such as
apochromat and...
-
lenses may also have the focus, iris, and
other functions motorized.
Apochromat (apo)
lenses have
added correction for
chromatic aberration.
Process lenses...
- in
characterizing a system's
chromaticity (such as in the
design of
apochromats), the full
dispersion relation (refractive
index as a
function of wavelength)...
- a
combination of two or
three aperture sized lenses (see
achromat and
apochromat for more details). The cost of such
systems therefore scales significantly...
-
fluorite gl**** and to very
tight tolerances.
Photographic lens
Achromat Apochromat Herzberger, M., and N. McClure, The
design of
superachromatic lenses,...
- to make and sell
achromatic doublets. Dollond's son
Peter invented the
apochromat, an
improvement on the achromat, in 1763.
Several different types of achromat...
- achromatic, achromatism, achromatopsia, achromatopsic, amphichroic,
apochromat, auxochrome, chroma, chromatic, chromatid, chromatop****, chrome, chromium...
-
known for his
successful optics business, and for the
invention of the
apochromat.
Dollond was born in Kensington.
Working together with his
father and...
