- An apochromat, or
apochromatic lens (apo), is a
photographic or
other lens that has
better correction of
chromatic and
spherical aberration than the much...
-
largest at the time, but was surp****ed
within only a
couple of years.
Apochromatic refractors have
objectives built with special, extra-low
dispersion materials...
- from that of
commonly used gl****es, so
fluorite is
useful in
making apochromatic lenses, and
particularly valuable in
photographic optics.
Fluorite optics...
- composition, the
degree of
correction can be
further increased, as seen in an
apochromatic lens or apochromat,
which provides perfect correction at
three wavelengths...
- 1/30th of a
second or slower. A or APO — the lens has an
apochromatic (or near-
apochromatic)
design C — the lens is
stamped “Sekor C” on the lens barrel...
-
configurations use
three or more
elements for
achromatic correction or
apochromatic correction and
higher image quality. In its
astronomical use, a Barlow...
-
anomalous partial dispersion.
Abnormal dispersion is
required to
design apochromatic lenses; in
contrast to the
achromatic doublets,
which converge blue and...
-
Corporation engineer Roland Christen, the
company is
noted for its line of
apochromatic refractors as well as high-end mounts. The
company is
located in Machesney...
-
numerous types and designs.
Refracting designs include achromatic and
apochromatic types. Some
reflecting types are Newtonian, Schmidt–C****egrain, Maksutov-C****egrain...
-
companion to the
Leica Q3. It is Leica's
first Q-series
camera to
feature an
apochromatic lens. The Q3 43 has a
stabilized 43 mm f/2
Summicron APO lens with digital...
