Topcon RE Macro User manual

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  RE. Mccro-Auto-Topcor   t13.5  58 mm

  The RE. Mocro-Auto-Topcor    f /3.5 58 mm lens, for  use with the TOPCON RE Super ond RE-2
  comeros, hos been  speciolly  designed  to  give optimum lens performonce  ot close focusing
  distonces ond  in mocrophotogrophy,  os opposed  to  the  58 mm stondord  lenses which hove
  been designed for  giving optimum performonce  ot  infinity.
  The Xenontor type  lens, of  five  elements  in  4  groups, hos been  designed to  give  distor-
   iion-free  imoges of  the highest resolution, with  full illuminofion from edge to edge, ond with
  best results obtoined ot the mognificotion 0.1 X, while, ot the some time, equolling the normol
  stondord lens in performonce  ot  inffnity.
  The  focusing  ring  provides  continuous helicol focusing from  infinity  to 26  centimeters (10
  inches) or  mognificotion 0.5 X.    In the close-up focusing ronge, the mognificotion scole, with
  mognificotions 0.1 X  to 0.5X, moy olso be used.
   Further continuous focusing,   f rom  mognificotion 0.5 X  to   I X  (or  life-sizel con be obtoined
  by simply using the TOPCON RE. Auto-Ring between  the  lens ond body,  which  will,  ot  the
  some time, couple the outomotic lens diophrogm mechonism of  the lens ond the body.
  The lens hos fully qutomotic lens diophrogm  oction, the some os oll RE. Auto-Topcor  lensesi
   ond, therefore,  the Thru-The-Lens Mirror-Meter   is used  ot  the  full operture,  thus providing
   fost, outomotic qction, equol  to  the normol lenses.
   Furthermore, becouse the Thru-The-Lens Mirror-Meter  con be utilized fully, there ore obsolutely
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no exposure  complicotions, with  the  Mirror-Meter  toking  exposure  reodings  of  the octuol
light iniensity reoching the  fitm plone through the lens.
Becouse the  borrel  length  is o  very  short 48 mm,  in  spite  of   its 58 mm  focol  length, the
working  distqnce from  the  front  end  of  the lens borrel  to  the subiect is longer thon with
the normol stondord lens in close-up focusing, or  l3  centimeters (5-l/8  inches) ot mognifico-
tion 0.5X,  which meons thot  it  is much eqsier to hondle.
As  with  normol  lenses, ihe  RE. Mocro-Auto-Topcor   f/3.5  58 mm lens con be used with the
Model  lV Bellows, for  providing  further continuous lens exiensions, olthough there  will be no
connection of  the outomofic lens diophrogm oction, in this cose.
The 49 mm Reverse-Adopter Ring ond  filters con be  used,  in common  with mony TOpCOR
interchongeoble  lenses, becouse  of  the 49 mm screw-in filter mount of  the  lens.  Reversing
the  lens  is recommended for  mocrophotogrophy over    I x  becouse of  the more  superior
opticol performonce which is then obtoined.



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Toble   I    SPECIFICATIONS

Type                    Xenontor type
Nominol focol length    58 mm
M q x i m u m o p e r t u r e                 l : 3 . 5
Lens construction        5 elements in 4 groups
Angle  of  field               4l
F/numbers               9.5 ro 22
Focusing ring scole        Infinity to  0.26 meler  (lO  in.)
Moximum lens extension  30 mm
Mognificotion scole      0.1 X  to 0.5X
Lens diophrogm           Fully outomotic instont re-opening  oction
Meter  coupling            Full operture  exposure reoding system
Filter screw mount      49 mm diometer; P:O.75
Dimensions             68 mm diometer X 48 mm 12-11116 x  l-29132  in,l
Weight                  260 groms 19 oz.l





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Toble 2   USE

                                   Scoles of      Moximum             Focusing         Combinotion
                                 Reproduction      Extension             Distonce
  Comero *  Lens            a ,o o.st      30 mm      oo to  254 mm

 Comero *RE. Auro-Ring*Lens    0.5X ro  I X       59 mm      254 mm to 225 mm
 Comero*Model   lV Bellows
  -F Reverse-Adopter Ring * Lens      I X to 3.6X     209 mm     225 mm to 334 mm
  *Automotic  Diophrogm Tube

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@  Lens mount red  dot         -for    oligning with red dot on comero body  fonge  in ottoch-
                        me nt / detochment.
(v   Boyonet mount              -for   ottochment to the comero body boyonet mount.
@ Lens locking pin         -engqges   the  lens locking mechonism of  the comero body,
                           when the lens is rototed  o quorter  turn.
@ Diophrogm coupling pin   -couples   with the  built-in Mirror-Meter  of  the comero.
 /F\\s, Automotic lens diophrogm -couples   with the outomotic lens diophrogm mechonism of  the
    coupling bor               comero;  thus lens diophrcgm is olwoys ot  full operture but
                                 closes down outomoticolly  with shutter releose.
@  Aperture  ring                  -is   rototed  ond  set  to  the  green-colored  operture  index,
                                   with click-stop oction.
 /E\\,  Aperture  scole           -F/numbers   3.5, 5.6, 8,  ll,  16 ond 22.
@ Aperture/distonce index    -  green-colored index line.
@ Depth of  field scole
@ Infrored index                -inf  rored R mork is olso the depth of ffeld scole index tor  t 14,
@ Distonce scole
@ Focusing ring               -rototed    to  focus the  lens.
@ Mogniftcotion scole             - m o g n i f i c o t i o n s  0 . 1 X , O . 2 X ,  0 . 2 5 X ,  0 . 3 X , O , 4 X o n d O . 5 X
                                 ore  set, by  oligning the  edge  of  the distonce scole ring to
                                  the  line on top  of  the mognificotion flgures.
@ Filter mount               -screw-in  mount for  ottoching filters, reverse-odopter  ring, etc.
@ Pin for  preventing mis-
   ottochment  of  lens

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OPERATION

The RE. Mocro-Auto-Topcor    f /3.5 58 mm lens  is hondled ond used for  close-up shooting  in
the some monner os  normol lenses ore used for  generol photogrophy, ond, thus, it  is o
very convenient lens.
In foct,   it con be used for  generol photogrophy  withouf  ony  difference from  the RE. Auto-
Topcor 58 mm stondord lenses, os for  os lens ottochment ond detochment, focusing ond ex-
posure setting {setting ASA  film speed,  shutter speed ond  operturel  ore  concernedl  ohdl
therefore,  the instructions for  the comero should be reod once more.
In  close-ups ond  mocro-shooting,  however,  some  chonges should be mode  in operotionol
procedures.

 (  |  )   Allochment
     Align the red dot on the lens mount with the red dot on  the comero body,  insert the
     lens uniil  it  is well-seoted  in the comerq qnd then rotote  o  quorter-turn  in  the  clock-
     wise  direction,  until  o   full  stop   is. mode ond  the lens locking lever cotches with on
     oudible clicking sound.
    To detoch the  lens, simply press the lens locking lever, on the comero body,  in towords
     the opticol center of  the lens, which will disengoge the lens locking pin on the lens borrel.
    Then rotote  the  lens counter-clockwise until the  red  dots  orp  oligned, while mointoin-
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ing pressure on the lens locking  lever.   Lift  the lens corefully out  of  the comero body.

             ( 2 ,    F o c u s l n g
            Simply rotote  the focusing  ring, in  either  directions,  until the focusing screen imoge  is
           seen cleorly ond distinctly. The focused distonce is found on the distqnce scole ogoinst
ff           -    the green-colored index line, ond  is the distonce from fhe subiect to the film plone, os
                   .  indicoted by the ftlm plone indicqtor on the top deck of  the comero.t I
*           ( 3  )   Mognlficotlon    Scole
            For close-up focusing, from  0.1 X  (opproximotely 60 centimeters), the mognificotion scole
          moy be used in ploce  of  the distonce scole,  if  the picture must be token  ot o prede-
            termined  scole  of  reproduction.   Align the edge  of  the distonce scole ring to  the  line
           on top  of  the required mogniftcotion number.  As,  for  exomple,  fhe  lens on poge   I I
                 is set to  mognificotion 0.5 X.   Then, move the comero bock ond   f orth,  until the subiect
                 is focused shorply on the finder screen.

         (4)    Aperlure   SetllngIIc
            Simply revolve  the operture  ring  until the required F/number on  the  operture  scole  is
             set to the green-colored index ond the ring clicks-tops into position. The operture ring
           con be set to  intermediote operture  vqlues between the F/numbers.

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(5)   Depth   of  Fleld  Scole
    The depth  of  field  for  the  focused distonce is found from  the depth  of  field scole on
     the lens borrel, which shows the zone of opporent shorpness for ony lens opening.
     ldenticol poirs of opertures qre ovoiloble on both sides of  the distonce index, which is
     olso the widest operture, ond these  identicol  poirs  of  opertures indicote the distqnces
     thot  will be  in the zone  of  opporent shorpness.
    The depth  of  field con olso be previewed by pressing the depth  of  field preview  lever
    down, with the operture  set to  the required operture  setting (on the RE Super only).
     For close-up shots, from  mognificqtion 0.1 X,  however,  the  depth  of  field toble should
    be used becouse of  the shollow depth  of  field, especiolly when the subiect mqtter hos
    some height or depth  to   it, depending on the direction  of  picture-toking.

( 6  )   Exposure   Adlustments
     For generol photogrophy,  it  is usuol to'choose  o suitoble shutter speed, first of  oll, ond
    then odiust the operture ring until the correct exposure odiustment is mode, becouse the
     operture ring is moved in the some direction os the movement of  the  motch-point in-
     dicotor  in the pentoprism finder.
    However,  since  it  is, more  often  thqn  not,  very  importont  to choose o lens opening
     providing the greotest depth  of  field,  in the cose  of  mocrophotogrophy,  the  operture
      is set, ftrst of  oll, ofter  which the shutter speed diol  is odiusted to  set the correct  ex-

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posure, os indicoted by  the exposure meter.
     While exposure odiustment  is very  simple  with  the  Mirror-Meter,  there moy be some
     preference  regording tone  or dorkness ond, therefore,   it  is recommended ihot, besides
     the  indicoted  exposure  setting  (shutter speed,  in  this cose) two  other shots to  token,
     one ot  ll2X   ond the other 2X  the indicoted exposure.
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RE. AUTO-RING

For close-up shooting ot scoles of  reproduction from    I :2  to   I  :  |  (or  lifesize), or  mogniflco-
tions 0.5X  to   I X,  or focusing from 254mm  (10 in.) Io 225mm  (9 in.), the RE. Auto-Ring       1
is o  convenient occessory, becouse  it does not  disrupt  the outomotic lens diophrogm cou-
pling oction  of  the RE. Mocro-Auto-Topcor  lens.                                                                                                          :
The RE. Auto-Ring,  in  other  words,  is simply o 29 mm rigid extension tube, thus providing
29 mm exfension to ony  lens which  is ottoched  to   it.  One side hos o mole boyonet  mount,
similior to  thot found on the lens, ond olso diophrogm coupling pin, outomotic lens diophrogm
coupling bor ond lens locking pin, while the opposite side hos o femole boyonet mount ond
olso coupling pins ond bors, similior to those found on the comero body  side.
The RE. Auto-Ring is, therefore,  ottoched  to  the comero body, in the some monner thot  the
Topcor lens is ottoched, ond then  the  RE. Mocro-Auto-Topcor  lens  is ottqched  to  the  RE.
Auto-Ring in similior monner.  Except for  the foct  thot the lens will now be extended 29 mm,
there  will be no other chonges i  however, the mogniftcotion scole, distqnce scole ond depth
of  field scole on the lens will no longer be  efrective.
The  mognificotion scole on  the  RE. Mocro-Auto-Topcor  lens con be used by simply odding
0.5 to  the volue indicoted, or,  in other words,  the  mogniffcotion scole of  the lens will now
b e u s e d f o r m o g n i f i c o t i o n s0 . 6 X , O . 7 X , O . 7 5 X , 0 . 8 X ,  0 . 9 X  o n d   I X .
As con be seen from  the lDepth  of  Field Toble,  there  is very   little  depth  of  fteld over

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mognificotion 0.5 x  ond, therefore, the exoct plone should be focused, os much os possible,
ond the smollest possible operture used.
The distonce from the front edge  of  the lens to the subiect will only be 7.4 centimeters or
3 inches, ot   I x  mognificotion.





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MACROPHOTOGRAPHY

F o r m o c r o p h o t o g r o p h y o t s c o l e s o f     r e p r o d u c t i o n l : l       t o     l : 3 . 6 ,  o r m o g n i f i c o t i o n sl X      t o
3.6X,  or focusing from 225mm  (9 in.) to 334mm  (13 in.), the RE. Mocro-Auto-Topcor f/3.5                       i
58 mm lens con be used with the TOPCON Bellow Attqchment, Model lV.  The lens is mount-
ed  in the reverse position, with o Reverse-Adopter Ring used between the bellows ond lens,
for  this purpose.
The lens is set to  infinity ond the bellows extended  or  controcted  for  focusing or  for  set-
ting  to  o  predetermined scole  of  reproduction.  The lens diophrogm  is  fully opened for
focusing ond closed down  for  exposure odiustments, ofter  the subiect is focused.
Reod  instructions   f or   the  Bellow  Attochment  regording  ottochment/detochment,    f ocusing,
mognificotion, exposure  odlustmentr  otc.r qs  well  os voluoble formulos which will come  in
hondy for  mocrophotogrophy.
When the RE. Mocro-Auto-Topcor  lens is ottoched  to  the bellows, with the reverse-odopter               r
 ring, the  fully outomotic lens diophrogm oction  is no  longer  operotive  ond, therefore,  the
                                       rottochedAutomqtic Extension Tube should be           on  the  boyonet  mount of  the reversed lens
 (on the side towords  the subiect) ond the double  coble  releose should be used  to  obtoin
semi-outomotic lens diophrogm oction.
Reod instructions provided  with the outomotic  exlension  tube,  regording operotion  with the
 occessory, os  well  os  odlustment of  the  double  coble  releose, in  order  to coordinote
 octions of  the lens diophrogm ond the focql  plone shutter.

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REVERSE.ADAPTERRING

The 49 mm diometer reverse-odopter  ring  is used  for  ottoching  the RE. Mocro-Auto-Topcor
lens in the reverse position  on  the  bellows, becouse the  reversed  lens  will  give  superior
opticol perf ormonce  f or shooting ot scoles of  reproduction over    |  :  I  or  mognificotion  I X.
The lens is reversed ond ottoched by  its screw-in  filter  mount  to  the  screw mount  of  the
reverse-odopter  ring ond  then  ihe  boyonet  mount of  the reverse-odopter  ring  is qttoched
to the bellow ottochment.  When  ottoching the boyonet  mount, choose the red dot  {out  of
three red  dots), which  is ori the some side os the operture  index  of  the lens, for  olignment
with the red dot on the bellows.
When the lens is reversed ond ottached, odiustment of  the normol lens extension  is neces-
sory becouse the  principol  point  of  focus  shifts  in  relotion  to  the film plone.   In other
words, odd 57 mm to  the extension indicoted on the bellows.      i'
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IMPORTANT !

(l)  Since slow shutter speeds ore mostly used in close-ups ond mocrophotogrophy, it is rec-
    ommended thot o sturdy tripod  or copying stond be used with o  coble  r€leose, becouse            r
        it  will improve imoge shorpness.
 l2l  The RE. Mocro-Auto-Topcor    f /3.5  S8 mm lens gives best results when used ot  f/5.6  to
      f/8,  rother thon being stopped down  to  its smollest opening.
(3) When photogrophing deep  or  high  obiects, however,  shoot  with  the  lens diophrogm
    stopped down, os much os possible, ond use o slower shutter speed.
(11 The stqndord No.   I  focusing screen is not recommended  for  close-up focusing becouse
    one of  the prism holves will  "block-out"  ot  smoll lens openings.  Therefore, exchonge
      for  the  No.  2,  No.  4  or  No. 6 focusing screens.    lf  the stondord focusing screen is
     used, however,  focr,rs with  the groundgloss oreq  of  the screen ond  not  the  split-imoge
     rongefinder spot.
    The some  is olso  lrue  of  the  microprism focusing screen when used ot  the smoll lens
     openings.





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IOPGON ACCESSORIES

For for  greoter enioyment ond convenience in close-up shooting ond mocrophotogrophy, the
following TOPCON occessories should be used with the  RE. Mocro-Auto-Topcor    t 13.5 58 mm
 l e n s : -

 l .   Wolgt-Level    Flnder-exchonge    with  the  Pentoprism ftnder
     os  it  is usuolly more suitoble for  coreful  studied composition
    work,  olthough the imoge shown on  the focusing screen  is
     loterolly  reYersed.
    The squore mognifter shows the  full oreo  of  the screen mog-
     nifted 4.5 X  ond  is suitoble  f or  precise  f ocusing.

2.  Hlgh   Mognlflcotlon     Wolst-Level     Flnder    -  use   inter-
    chongeobly  with  the  woist-level  flnder.      lt   is  porticulorly
     suited for  super-criticol focusing becouse the  full screen oreo
      is mognifted 6.5 X  ond becouse ftne  dioptric odiustments of
     the eyepiece,  f rom  +2   to   - 3 diopters ore  possible.



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3.  Inlerchongeoble    Focuslng  Screens-exchonge    the stondord focusing screen for  one
     of  the following:-
    No.  2-hos   full-qreo groundgloss plus  f resnel lens, outside s 12 millimeter diometer fine
     focus spot, with subiect focused on the groundgloss screen.  For use of smoll lens open-
     ings, which ore  usuolly the cose in mocrophotogrophy.
    No.  4-some   os No. 2 screen plus horizontol ond verticol  lines etched ot 6 millimeter
     intervols in o checkerboqrd pottern.  Checkerboord  lines ore used for  controlling subiect
    plocement ond olignment of  lines.
    No.  6-hos   full-oreo cleor gloss (without fresnel  lens), with bisecting scoles engroved
      for  0.5 mm  divisions plus center double  cross-hoirs.  Use with high mogniftcotion woist-
     level finder ond/or  mognifier for  focusing of  oeriol imoge ond recommended for  high
     mogniflcotion mocrophotogrophy.





              No. 2                  No.4                  No. 6

4.  Exlenglon  Tube  Sei-is   o  set of  three different length tubes which provide rigid

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extensions of  9 mm, 15 mm ond 30 mm.  Moy  be used singly
     or  in combinotions or  with  the bellows for  odditionol exten-
     sion.





5.  Automotlc    Extenslon   Tube--o   9 mm  extension  tube   for
    providing  semioutomotic  lens  diophrogm  oction  to  the  RE.
    Mocro-Auto-Topcor lens when disconnected from  the coupling
    mechonism of  the comero body.
    Must be used with double coble releose.

6.   Double  Goble  Releerse-is  used for coordinoting octions
     of  the  shutter ond  lens diophrogm, when screwed into
     the comero shutter releose socket ond the socket of  the
    outomotic extension tube.  Also eliminotes co mero vibro-
     tion

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7.  Gopylng  Stond-used    for  providing o steody stond
     for  the comero ond lens ond thus eliminoting vibro-
     tion which con detroct   f rom imoge shorpness, especiol-
      ly os most mocrophotogrophy  is done  of  very  slow
     shutter speeds ond  ony  movement  will  show  up
     mognified.





8.   Angle  Vlew   Flnder-is    used ottoched  to  the eye-
     piece of the Pentoprism ftnder, either  directly  or  with
    on  eyepiece  odopter,    f or  viewing of  right ongle to
     the opticol  oxis of  the  lens. Shows full screen oreo
    enlorged   I X .
     Eyepiece diopter  correction  lens, mogniffer ond eye-
    cup o re ottochoble  to  the occessory.

 9.   Mognlfler-is    used ottoched to  the eyepiece  of  the

 2r

Pentoprism finder  or  eyepiece  of  the  ongle view  finder  or  high
    mognificotion woist-level finder,   f or  increosing precision  of    f ocus.
    E n f o r g e s l 2 m i l l i m e t e r d i o m e t e r s p o t o f   t h e s c r e e n 2 . 5 X .

lO. Eyeplece  Correctlon  Lenses    is screwed into  the eyepiece of  the Pentoprism finder
     or ongle view finder for  providing dioptric powers noted on the lenses.  Six lenses for
              ' - - 3 ,  -  2 ,   - 1 ,    - . [ - 1 , 1 2  o n d  + 3  d i o p t e r s o r e  q v q i l q b l e . R e c o m m e n d e d b e c o u s e  i m -
    proved eyesight will increose focusing qccurqcy but consult your opticion regording the
    required dioptric power.

I  l. Groy  Slide-is   used for  toking exposure reodings of  trqnsilluminoted light, such os in
     slide copying.  Inserted in ploce of  the film tronsporency for  toking reodings with the
     holf-mirror of  l8  percent tronsmission fqctor.

| 2.  Incldent   Llghf  Receptor     is screwed  into  the  filter mount of  the
     lens ond used for  toking incident light reodings of  the light folling
    on the subiect, with  the  receptor qimed  ot  the  picture-toking posi-
     tion.  Especiolly recommended for  subiects with extreme  controst in
     c o l o r o r    l i g h t i n g o r   t o n e .


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| 3. Rubber  Eyecup-   is ottoched  to  the eyepiece  of  the  Pentoprism
     finder or ongle view finder, to  cut off extrqneous light which cqn ef-
     fect  focusing qnd  meter  reoding.  Shoped to  fit the contour of  the
    fqce ond, therefore,  will minimize vibrotion when the comero is hond-
     held.

The first 3 items, or wqist-level finder, high mognificotion woist-level-finder
ond interchongeoble focusing screens, connot be used with  the TOPCON
RE-2,qlthough the mognifier ond ongle view finder con be used, the  lotter
with the eyepiece odopter.