Mamiya RZ67 Auto Extension Tubes User manual

SpecialFeatures

When desiringto approachthe subjectcloserthan    Auto ExtensionTubes RZ are availablein two size,
the bellowsextensionof the camerapermits,Auto     both of whichoperateidentically.They may also be
ExtensionTubes RZ are used. Becauseshutter    usedin combination.Extension(length)of ihe tubes
and aperture coupling is  fully retained when     follow:
mountedon Auto ExtensionTubesRZ,the lensop-                No. | ...45mm
erates in the normal manner,greafly simplifying               No.2 ...82mm
close-upphotography.                             N o .1 + N o . 2 . . 1 2 7 m m
Even remotecontrolclose-upphotographyis pos-
siblewhenusingTransmitterMZ, ReceiveiMZand
WinderRZ.


                  N o . I                      N o . 2





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BeforeMountingAuto ExtensionTubeRZ





1. Setthe mirror(2\bVpushingthe CockingLever     2. Rotatethe CockingPin of the tube (3) untilit is
(1) completelydown.                             alignedwiththe reddot.Whenthe pin is released,it
                                                               will returnto the greendot (G).
                                                       3. Repeatthe same procedurewith the lens (not
                                            necessaryif the lens shutteris alreadycocked).

MountingAuto ExtensionTubeRZ





1. RotateBayonetRing of the tube, aligningthe       +. htign the centralred index of the lens with the
whitedot on the ring (6) with the red indexon top of      red dot of the tube (8), mountingthe lens and lock-
the tube(7).                                        ing  it in place by twisting the Bayonet Ring
2. Whilealigningthe red indexof the tube (7) with      clockwise.
the red dot on the camerabody (5), seat the tube
properlyon the camerabody mount,and lock it in           lf the lens does not fit into the mount of the tube
placeby firmlyrotatingthe BayonetRingclockwise.     properly,twist the lens to-and-froslightlyuntil it
3. Rotatethe BayonetRingof the lens also,align-     does, and then lock it in place by twisting the
ing its whitedot (9) with the centralred indexof the     BayonetRingclockwise.
lens.



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Removingthe Tubes

UsingBoth TubesSimultaneously
1. Rotatethe cockingpin of each tube, aligningit
with the red dot.
2. Alignthe whitedot on the BayonetRingof each
tubewith the red indexon the tube.
3. Mountone tube onto the other (theorderof the
tubesdoes not matter).
4. Mountthe combinationof tubes on the camera
body.Finally,mountthe lens on the tube combina-
tion.



                                                      1. Pushthe CockingLever(1) all the way down.
                                                       2. Twist the BayonetRing of the lens completely
                                              counterclockwiseand removethe lens.
                                                       3. Twist the Bayonet Ring of the tube coun-
                                                terclockwiseand removethe tubefromthe camera
                                              body.

Close-upPhotography


 Precautions                               Becausethe shutterand diaphragmautomationof
 Insteadof removingthem individually,the combi-    a lens mountedon Auto ExtensionTube RZ is fully
 nationof lens and tube can be removedfrom the     retained,operationof the lens is the same as when
 camera body if desired;however,after removing        it is mountedon the camerabody.
 the tube from the lens,makesure the shutterof the
 lens is cocked before remountingthe lens on the     However,becausethe exposurefactorsappearing
 camerabody.                               on the ExposureCompensationScale no longer
                                                apply when using extensiontubes, refer to the
, lf the electricalcontacts on the front and rear of     Close-upTables appearingon pages 7-10 for the
 Auto ExtensionTube RZ are allowedto get soiled     correct factors.
 with greaseor dirt,the electroniccouplingmay be
 disrupted,making the tubes inoperative.Should     1. Mirror-up operation is recommended for op-
 the contactsget soiled,be sure to carefullywipe    timum resultsin close-upphotography.
 them with a cleancloth.                                2. Use as smallan apertureas possible.
                                                        3. AvoidusingcombinationsotherthanNo. 1 +No.
                                              2 ( e . g . N o . 2+ N o . 2 ) .
                                                        4. Vignettingwill occur with PolaroidLand Pack
                                               Film Holder RZ it the 180mm or 250mm lens is
                                          mountedon the No. 1 + No. 2 tube combination
                                                   with bellowsextended.
                                                        5. Do not use the 50mm lenson an extensiontubit.





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Determiningthe ExposureFactor





1. Determinethe bellowsextensionby checking   11Ommlens and ExtensionTube No. 2 is used.lf
the BellowsExtensionScale (10) which is found    the bellowsextensionwere the same as in the
above the Focal LengthScale. In the illustration   above illustration(40mm), the exposurefactor
above,the bellowsextensionis 40mm.            wouldbe +2 stops(steps)accordingto the Close-
2. Read the exposurefactor for the appropriate   up Table.Withan exposurefactorof +2 stops,ex-
lens and extensiontube combinationin the right-    posurewouldbe increasedby makingthe shutter
handcolumnof the Close-upTable(BellowsExten-   speedtwo stopslonger(suchas changing1/60sec
sion/ExposureFactorcolumn).                      to 1 115sec) or the aperturetwo stopslarger(such
For example,assume that the combinationof    as changingtl22 to f/11).