The Pentacon Six System
Lens Data Summary
Shift & Shift/Tilt Lenses
|Towards the end
of the 1990s and in the early part of this century, a
company called Wiese Fototechnik from Hamburg in
Germany advertised a range of medium format cameras
and lenses which all appeared to be based on products
from the Arsenal factory in Ukraine. The company
still has a website, which can be found here: http://www.wiese-fototechnik.de/Website/Startseite.html
They still specialise in photographic equipment.
However, few of the products offered at that time are
now advertised on their website.
|This lens has a
maximum aperture of f/3.5 and appears to be based on
the Mir 26B wide-angle lens from Arsenal in the
Ukraine. Near the base (back) of the barrel
appear indented into the barrel side the words “MADE
IN UKRAINE”, which have not been filled with
paint. This is just visible in the image to the
right, a short way after the 0.5 M on the focussing
The Arsenal lenses formerly bore the letters “CCCP” for “USSR”, so this lens was completed in the Ukraine subsequently to the dissolution of the Soviet Union. It should therefore probably be referred to as an “ARSAT” lens, the name that the Arsenal factory adopted for its cameras and lenses in the early 1990s.
Examination of the focussing scale on the lens barrel and the depth-of-find marking on the index ring behind it reveal that this is, indeed, a Mir 26B lens. However, the index ring has been moved further forward than on the unmodified version of the lens, presumably as part of the steps taken to allow space for the shift ring while not preventing infinity focus. The consequence is the bottoms of the focussing scale numerals are slightly covered by the index ring, although this is not enough to cause any difficulty in reading them. The ribbed focussing ring is also narrower on the Wiese lens.
More information on the Mir 26B wideangle lens can be found here.
WARNING: This image shown here on the right has been made from two separate photographs, so the size comparison may not be completely accurate! However, it does facilitate comparison of some of the similarities and differences between the two lenses.
The Wiese 45mm PCS compared with the Mir 26B 45mm lens.
No serial number can be seen on the lens. This number is probably covered by the shift ring or was removed when the shift ring was installed. As can be seen in the above image, this ring is extremely large. It is located near the back of the lens.
Three shift lenses photographed together to enable the relative sizes to be compared.
From left to right: 45mm Wiese PCS, 55mm Arsat PCS and 65mm Hartblei PCS.
|The shift ring
can be rotated to give a variable amount of shift from
0 to 12mm. These are indicated by a 0 and even
numbers between 2 and 12, with a dot between each pair
of numbers. The 12mm position and the dot before
it (11mm) are marked in red, presumably to indicate
that there will be some vignetting of the image at the
opposite end from the shift, if the full 6×6 format is
used. The ring rotation to achieve full shift
covers an arc of 90°. There are no détentes in
the ring to indicate the millimetre positions.
Movement is smooth but not as silky as the focussing
on the 80mm lens from Wiese. See information on
that lens here.
We note that on the Hartblei 45mm Super-Rotator tilt/shift lens the 11mm and 12mm shift positions are marked in red and just after them there is the indication "4.5×6", also in red, to show that these two positions should only be used when shooting for the 645 format (or when one plans to crop a 6×6 image accordingly), to avoid vignetting entering the image area.
There is more information on the Hartblei Super-Rotator here, here and here.
The Wiese 45mm PCS shift lens next to the Hartblei 45mm Super-Rotator tilt/shift lens
The shift ring and the shift mechanism are very similar in size and general design to that which is found on the 55mm f/4.5 Arsat shift lens and the 65mm Hartflei shift lens.
The 45mm Wiese PCS, 55mm Arsat PCS and 65mm Hartblei PCS seen from higher up. The numerals that show the amount of shift on the Wiese lens are not visible in this picture.
Rear view of the same three lenses, fully shifted
All of these shift lenses can rotate through 360° in relation to their camera mount, with 24 locking points, i.e., every 15°. On the two Hartblei lenses in the above picture, some of the degree references for the rotation can be seen towards the back of the barrel. On the Wiese 45mm PCS, there are no such degree markings, although the lens can be rotated fully in exactly the same way.
From left to right: The 65mm Hartblei PCS shift, the 45mm Wiese PCS and 45mm Hartblei PCS Super-Rotator.
It is thus possible to shift down, sideways or in any other direction. The rotation lock is released by pushing backwards (towards the camera body) a little tab that is located at the base of the lens when it is in its default setting, i.e., with the focus and aperture index markers at the top of the lens. On the Wiese 45mm PCS, accessing this tab is difficult when the lens is in 0 shift position. The design of this tab and the 360° rotation with détentes every 15° is also very similar on the Wiese and the Arsat lenses. However, the Arsat lens is bigger, on the whole bulkier (though smaller at the front) and slightly heavier -- see pictures higher up. The 55mm Arsat lens also benefits from a pre-set mechanism that can be operated by a stop-down ring or by a double cable release. Details of this can be seen here.
On a Pentacon Six with a metering prism, the lens can be shifted fully up without the shift ring hitting the metering prism, even though it projects forwards of the camera top plate.
lens can be mounted on an Exakta 66 with its
metering prism, but shift movements are extremely
limited because of the forward overhang of this
prism and its contact points. The lens cannot
be shifted up because of the prism, nor down, since
the tab which permits rotating the lens is also
blocked by the prism. So, it can be shifted
sideways, and the camera can be rotated for shifts
in other directions. (Up is the direction most
often needed, to cope with tall buildings, etc.)
The red arrow shows the lens tab which enables it to be rotated, in order to change the shift direction.
As will be clear, it can hardly go any further up (rotating anti-clockwise), and if we try to rotate to the right (clockwise), the lens's own shift ring will foul the front of the metering prism contact points cover.
In the above image, the Wiese 45mm PCS can be seen mounted on an Exakta 66 with the metering prism in place, The lens is fully shifted 12mm to the left, as viewed from the front of the camera
|However as -- along with all non-Schneider lenses in the Exakta 66/Pentacon Six mount -- this lens from Wiese has no contacts for the Exakta 66 metering prism, if it is desired to use it on an Exakta 66, the best solution is to remove the metering prism and use instead the plain prism or the excellent waist-level finder.|
|The lens name
ring bears the letters “MC”, and examination of the
lens confirms that it is indeed multi-coated.
Focussing when the lens was received was smooth and the aperture ring clicks through its détentes exactly as the previous “Soviet” version did, with détentes at half-stop and full stop positions between f/4 and f/11, and then at full stop positions to f/16 and f/22. There is also a détente between the maximum aperture of f/3.5 (which is itself a half-stop position) and f/4. Like the vast majority of shift lenses, this one has no aperture stop-down pin, so operation of the aperture is entirely manual. Shift lenses are best used on a tripod and for such photography, operating with a manual aperture lens is not a problem, provided that the photographer remembers to stop the lens down before firing the shutter.
The front of the lens is threaded for 82mm filters (0.75 pitch, the same as the Mir 26B) and when I received this lens it had on it a slimline Hoya Super HMC PRO1 UV filter. I am a great believer in protecting the front element of lenses with a filter whenever possible, and a slimline filter is definitely advised for any wide-angle lens, and even more so for a shift lens, to avoid any possibility of it causing any vignetting.
Two 45mm shift lenses: the Wiese PCS on the left and the Hartblei Super-Rotator on the right
Rear view of the Wiese and the Hartblei Super-Rotator lenses, both with zero shift
Rear view of the same lenses at maximum shift
The tabs that permit rotation of the mount are clearly visible in this image,
with the one on the Hartblei lens helpfully marked "PUSH" to show the direction of movement in order to release the rotation lock. (Helpful, at least, for users who know this word in English!)
|When we stand the Wiese 45mm
PCS and the Hartblei 45mm Super-Rotator face down (whether
shift, as here, or not), we can see that the rearmost
element projects beyond the back of the lens mount,
slightly more so, in fact, with the Wiese lens than with
the Hartblei lens that has (apparently) been made from the
This is not at all surprising with such a wide-angle lens by medium format standards. However, it does mean that users should never stand either lens upright on the back of the lens without first adding a rear-lens cap, in order to protect this element from damage.
User's-eye-view of three shift lenses. From left to right: the Hartblei 65mm PCS, the Wiese 45mm PCS and the Hartblei 45mm Tilt/Shift Super-Rotator
|The Wiese 45mm PCS shift lens mounted on
a Pentacon Six.
This lens is compared with the standard Hartblei 45mm shift-only lens here.
Different Wiese 45mm shift and tilt lenses
|A 45mm shift lens with a very
different barrel design has also been seen with the Wiese
name. This, too, is a 45mm
f/3.5 multi-coated lens and it is reasonable to assume
that it is derived from the same Mir 26B elements.
It bears the name "Wiese" and "Technoplan" and I note that
the name ring also has "T3", which has been blacked
out. I wonder if Wiese thought he was getting from
his supplier a lens that tilted as well as shifted.
Such a lens was advertised by Hartblei and most of the
barrel looks identical to this one.
|From other angles, this Wiese
Technoplan shift lens also reveals other
similarities with the above Hartblei lens.
|The two upward-pointing tabs are for
turning the aperture ring. They are very similar to
the tabs on the 45mm Hartblei Super-Rotator tilt-shift
lens, illustrated above, and analogous to the round tabs
on the 65mm Hartblei shift lens.
||The rearmost "scalloped" ring sets the
amount of shift. Note that here, as on the
Super-Rotator, above, the 11mm and 12mm settings are
marked in red and followed by "/ 4.5×6" in red.
||This particular lens was supplied in the
type of soft bag that was commonly used from the end of
the 1990s onwards for lenses from Kiev.
|Wiese also marketed the lens that we
know as the Hartblei 45mm Tilt-Shift Super-Rotator lens.
||He called it the "Wiese Shift Technoplan
- T2". This image reveals the beauty of
|The lens was supplied
with the special, shallow lens shade and the usual
Ukrainian soft case.
You can see a report on an 80mm lens from Wiese – and a camera – here.
It seems reasonable to assume that
other lenses in the Pentacon Six mount were marketed under the
Where did these specialist lenses come
from? To see an attempt at discovering the background,
To go to the data page on shift
and tilt lenses, click here.
To go to the data page on shift
and tilt lenses, click here.
To go back
to the beginning of the Lens Data section, click below and
then choose the range of lenses that you want to read about.
© TRA January 2016 Latest revision: April 2016