Carl Zeiss Touit 12 mm f/ 2.8 Lens Brochure
Apo-Makro-Planar
®
T ** 4/120
64 to film
104
dia. 86
CONTAX
®
645
The Apo-Makro-Planar
®
T
* 4/120 lens has been designed with
the goal to create a medium format lens of outstanding
performance and versatility. It covers subjects from infinity to life
size (1:1) without additional accessories. And it uses the latest in
optical glass with floating elements (FLE) to keep the performance
on top level in the entire focusing range.
The Apo-Makro-Planar
performance and versatility. It covers subjects from infinity to life
size (1:1) without additional accessories. And it uses the latest in
optical glass with floating elements (FLE) to keep the performance
on top level in the entire focusing range.
The Apo-Makro-Planar
®
T
* 4/120 lens even reaches the extreme
image quality level of dedicated Carl Zeiss S-Planar
®
high
resolution copy lenses at life-size copying tasks, a unique benefit
only available with Contax
only available with Contax
®
cameras.
A basic type of lens design is chosen that maintains its
performance characteristics very constantly on a high level over a
wide range of reduction ratios or distances. Like from infinity to
life-size (1:1). It is based on the Planar
performance characteristics very constantly on a high level over a
wide range of reduction ratios or distances. Like from infinity to
life-size (1:1). It is based on the Planar
®
lens design type, which
offers very good close-up potential in the first place and has
therefore also been chosen as the basis for the ultra high
resolution Carl Zeiss S-Planar
therefore also been chosen as the basis for the ultra high
resolution Carl Zeiss S-Planar
®
lenses for the production of
microchips, which are the most sophisticated lenses of our day.
The Apo-Makro-Planar
The Apo-Makro-Planar
®
T
* 4/120 lens is targeted at the
meticulous close-up photographer who is in full control of the
technical aspects of his picture taking situation, and who expects
uncompromising image quality as reward for his efforts. He is
used to do very careful and well thought placement of the focus
himself, and he would not use the autofocus on his imaging
projects. Considering this need from professional photographers
and keen amateurs alike, the Apo-Makro-Planar
uncompromising image quality as reward for his efforts. He is
used to do very careful and well thought placement of the focus
himself, and he would not use the autofocus on his imaging
projects. Considering this need from professional photographers
and keen amateurs alike, the Apo-Makro-Planar
®
T
* 4/120 lens
is equipped with a high quality precision mechanism for smooth
manual focusing and no autofocus.
The aperture ranges from f/4 to f/45 for both a bright viewfinder
image and adequate control of depth of field in close-up
photography. All aperture settings can be used with truly
professional photo results, even wide open. This is due to both
the inherent qualities of the Carl Zeiss Planar
manual focusing and no autofocus.
The aperture ranges from f/4 to f/45 for both a bright viewfinder
image and adequate control of depth of field in close-up
photography. All aperture settings can be used with truly
professional photo results, even wide open. This is due to both
the inherent qualities of the Carl Zeiss Planar
®
lens design and
apochromatic color correction. Considering the outstanding
imaging potential of this lens it has been kept remarkably
lightweight and compact.
Preferred use: Close-ups of all kind, beauty, flowers and
blossoms, nature, products, industrial, subjects with demanding
details, documentation
imaging potential of this lens it has been kept remarkably
lightweight and compact.
Preferred use: Close-ups of all kind, beauty, flowers and
blossoms, nature, products, industrial, subjects with demanding
details, documentation
Cat. No. of lens:
10 78 86
Entrance pupil
*
Number of elements:
8
Position:
23.2mm behind the first lens vertex
Number of groups:
5
Diameter:
29.9mm
Max. aperture:
1:4
Exit pupil
*
Focal length:
120.1mm
Position:
25.5mm in front of the last lens vertex
Negative size:
41.5 x 56mm
Diameter:
29.8mm
Angular field 2w:
32°
Position of principal planes
*
:
Mount:
Contax 645 Mount
H:
22.0mm behind the first lens vertex
Filter connection:
screw-in type, thread M72 x 0.75
H':
26.6mm in front of the last lens vertex
Focusing range:
∞
bis M 1:1
Back focal distance
*
: 93.5mm
Aperture scale:
4 - 5.6 - 8 - 11 - 16 - 22 - 32 - 45
Distance between first
Weight:
approx. 796 g
and last lens vertex
*
: 51.1mm
*
at
∞