- po****rity of this lens
design made the name
retrofocus synonymous with this type of lens. The Angénieux
retrofocus for
still cameras was
introduced in France...
- wide-angle lens with an
increased back
focal distance.
These are
called retrofocus lenses or
inverted telephotos,
which have
greater clearance from the rear...
- they give less
distortion than the
retrofocus design and
there is no need for a long back
focal distance. The
retrofocus lens
solves this
proximity problem...
- clearance.: 142–143 In 1950, the Angénieux
Retrofocus Type R1 35mm f/2.5 (France) was the
first retrofocus wide
angle lens for 35mm SLRs (Exaktas). Except...
- (II)
retrofocus development AEG
Weitwinkelobjektiv (1932), from DRP 620,538
Zeiss Sphaerogon by Merté (1935), from US 2,126,126 Angénieux
Retrofocus (1950)...
- Ele Grp 24 f/5.8
Ultragon 7 5
Retrofocus design,: Table III
attached to
reflex housing 35 f/3.5
Skoparon 5 4
Retrofocus design,: Table III
negative front...
-
cameras are
particularly prone to
natural vignetting.
Telephoto lenses,
retrofocus wide
angle lenses used on SLR cameras, and
telecentric designs in general...
- for the 4/3 format, a 12 mm lens is a wide-angle lens and will have a
retrofocus design. For the 2/3-inch format, a 12 mm lens is "normal" and can have...
- when the
shutter is released; with a wide-angle lens, this
requires a
retrofocus design,
which is
generally of
inferior optical quality.
Because a cropped-format...
-
distortion is
observed particularly on the wide end of zooms, with
certain retrofocus lenses, and more
recently on large-range
zooms such as the
Nikon 18–200 mm...
