Horseman Rotary Back User manual

Camera attachment
Horsemanrotary back is a compact,highly eff icient unit with easy-to-usefeaturesgiving
fast operationfrom focusingto rotation movement. Moreover,it is possibleto photo-
graphwith the plate removedasa light exclusionsystemhasbeenincorporated.
A supportingrangeof accessoryfocusingglassesand a varietyof f ilm holderswhich can
be attachedto the basic unit have been fully integratedinto the overallHorseman
planningand design.
Theserotary back units are producedin two models;Type I for installationon Horse-
man 980,985 and VH cameras: Type ll for usewith 4" x 5" Graflockequipment.
Although the installationspecificationsare slightly different, these two rotary back
modelsare operatedusingexactlythe samemethod.

Attachment to the camera
1 . Attachment is performed in the same way as
fitting a roll film holder directly onto the rear of
the main camera body.  Fit carefully on to the
camera back a nd secure with the camera'sacces-
sory catch.
oRemove or fold back the rubber eyepieceshield
when attachingto 980 or 985 models.



2. The rotary clamp lever(E) is locatedon the left                     awhen both image planes are horizonta| ; when
they are verticaI this lever is at the bottom.





3. The position of the  f ilm with the rotary back
attached is further to the rear than in the original
camera specifications. To compensate for  this
diff erence, move the lens standard back in accor-
dancewith the f iguresgiven below.
Type  |    25 mm       Type  ll    37 .5 mm
o A wide angle lens cannot be usedwhen attached
to VH, 980 or 985 cameras. (Close-upwork  is,
however,possible.)



 "Horseman" and "Rotary Back" are the registeredtrademarks of Komamura Photographic Co., Ltd.
                            www.butkus.us

Attachment of the focusing glass frame
Attachment of the focusingglassframe
Use the standardfocusingglassframe for Horseman980, 985 and VH cameras. ln
additionit is possibleto employ a ConvertibleHorsemanfocusingglassframe.
(Ordernumber CH-84221Type ll is providedwith this kind of frame.
.Use a specialfocusingglassframe (order number 45073) for the Horseman6 x 9
Polaroidback.



1. 980, 985 and VH focusing glass installation; @With the back in a horizontal position, pressthe
top and bottom of the  f rame hinge into (D) and
slide towards the right. Remove by pressingthe
top and bottom of the hinge and then moving to
the left.





2. CH-8422 focusingglassinstallation;
Turn both pivot locks (B) through a 90o angleand
tilting the focussingglassf rame at approximately
20", insert the grooved side f irmly into the pivot
locks. Finally, secureby moving slide lock (A)
Remove by employing the reverse procedure to
that of installation.




oThe Polaroid focusing back can also be installed
and removedby followi ng the method describedin
2 above.




 Caution:  Replacethe glassusing genuine acces-
sory parts only.  Take great care when removing
the frame in which a Fresnellens is fitted.

Film holder attachment

 Film holder attachment
 '1   . Installation of  Horseman roll  film  holders o
T y p e sl a n d  l l ;
With the carrier in which the film is loadedin the
set position, turn the film advancelever either to
the top or to the bottom. When f itting to the
main unit, make certain that the film advance
lever is at the top and that the carrier is set.  (lf
the film advancelever is at the bottom  it will not
be possibleto  install the focusing glass frame.)
oThe roll film holder can be installedeven when
the focusingglassframe has been removed.
2. Installationof Horsemansheetfilm holder;  @
Push in and engagethis holder when the focusing
glassf rame (for 980, 985 and VH) is on the right,
that is the horizontal position, and at the same
time a little detachedf rom the main body. The
accessory catch for  the  adjoining  f ilm  ho[der
sectionmay also be usedto secure.
3. Installationof Horseman6 x g Polaroidback;
Holding at an angle of 20", push the groovedside
into the pivot locks (B) and move the slide lock
(A) to secure. When this holder is in the horizon-
tal position the plate is to the left, whereaswith   i":: i                                                                  *tt
the other holders it is located on the right. Be
certain to use the special Polaroid focusing glass     '
f r a m e . | n c o m p a r i s o n t o o t h e r h o | d e r s , t h e f i | m
wi ll be a further 10 mm towards the rear when
this Polaroidunit is employed.
Operation
After the focussingglassframe and the film hold
er have been carefully installed,pressthe clamp    il
lever ( E ) and gently turn the unit to position the
focusing glassat the rear of the camera (focusing
position).
Stop when the unit "clicks" (lock position). Pressclamp lever(E) a little and then re-
lease. Continuedpressureis unnecessary.Next removethe platecompletely. As there
is a built-inlightexclusionunit, thereis no dangerof any light enteringthe film holder.
Focus,then immediatelyclosethe shutterusingthe focus lever.Then lightlypressthe
clampleverand turn the film holder. At the sametime as this operationthe lightex-
clusionplatewill shut out all lightfrom the focusingglass.
The abovemethodologyis usedfor photography. When operatingthe shutterand also
removingthe film holderpay due attentionthat the plateis fully inserted.
oAs the light exclusionplate is an important part of the unit, take great care not to
bend,dent or applyany pressureto it.
"Polaroid"  is the registered trademark  of the Polaroid Corporation  of Cambridge, Mass., USA.
                             www.butkus.us

Horseman Rotary Back Type ll





                                 HorsemanRotary Back Type ll
                                          instaI led on a 4'' x 5" camera.

Parts nomenclature
  c





  @




  @ slide lock         @  f ocusing glassframe catch
  @ Pivotlocks        @ Clamp lever
  @ uuin body                  €) Rotary light exclusionplate

Performanceand specification
 1. Model type               Rotating camera back which allows photography by the
                               rotation of the focusingglassand f ilm holder sections.
                        When, the film  holder is installed, the  light exclusion
                                 unit is operational renderingthe plate unnecessary.
2. Suitable cameras        Type    I Horseman 980, 985 and VH  type.
                           (withoutfocusingglassframe)
                       Type ll Graflock type 4" x 5" camera
                             (with CH-8422focusingglassframe)
3. Suitablefocussingframes  o Horseman980 and 985 with standardfocusingglass
                           frame (fitted with Fresnellens,centercrossfocusing
                  o 1ffil:,.f"V;"ilT1,,n  standardrocusinsgrass
                             frame (fitted with 10 mm grid focusing glass and a
                               focusing hood)
                             o  Convertable Horseman focusing glassframe
                                  (center cross focusing glasswithout focusing hood)
                                                         .  Horseman focusing glass frame for 6 x 9 Polaroid
                                 "         back  (center cross focusing glass without  focusing
                                                  . .-)   hood)
 4. Suitablefilm holders          - !
                Horsemahroll film holder Type  | 56 mm x 82 mm actual size
                Horsemanrollfilm holder Type ll 56 mm x 68 mm actual size
                Horsemansheet film holder (one side) 58 mm x 82 mm actual size
                Horseman6 x 9 Polaroid back 56 mm x 82 mm actual size
                    o Both old and new rollfilm holder modelscan be usedwith the
                                              t"t  advanceis restrictedto levertvpes'
 s. e*,.rnar dimensi"ilttlot'il,;l1t
   (Mainbody only)       Type |  (H) 219 x (W) 187 x (D) 37 mm 650 s
                      Type ll (H) 219 x (W) 187x (D) 49 mm 750 s
 6. Film alignmentchange   Type I  25 mm
                      Type ll 37.5mm




     KOMAMURAPHOTOGRAPHICCO.,LTD.
            6F Echo KyobashiBldg..3 - 3, Takaracho,Chuo-ku,Tokyo, Japan
             Telephone:(03) 561-8591 Telex: 02524705


                          www.butkus.us