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Canon Tilt-Shift User manual

User manual for Canon Tilt-Shift. 34 pages in Japanese. Read the original PDF, download or print a copy without registration.

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Brand
Canon
Model / document
Canon Tilt-Shift
Document type
User manual
Language
Japanese
Pages
34
File size
1.7 MB
Category
Film cameras
Document date
Not specified in catalog

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Page 3 · Read text
We are very pleased that you haveacquired a Canon LensTS 35mm
t12.8 s.s.c.
This is a wide-angle lens for special effects, developed by Canon, as
one of Canon's FD lens series.
 It can be tilted or shifted or both simultaneously to produce such
special photographic effects as controlling the photographic range,
correcting image distortions and controlling the depth of field,
which ordinary lenses are unable to achieve. This lens plays a vital
 part in architectural photography since image distortions in buildings
are so common. lt has a high performance ability with a built-in
mechanism to correct aberration at short distances. (Canon Floating
System). This allows you to approach the subject as close as 0.3m
and prevents the distortion aberration when focusing at short
 d istan ces.
 It also adopts the multiple layer coating system (Super Spectra
Coating) to improve the transmission factor and it guarantees
excellent color reproduction.



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View original page 3
Page 5 · Read text
Specifications of Canon Lens TS 35mm t12.8 S.S.C.
.Type: Tilt and shift lens
 Pictu re Stze ; 24mmx 36m m
'Focal       Length: 35mm
 Lens Speed: 112.8
 Lens Construction: 9 elements in 8 components (3 pieces of new type of
       glass are employed).
 Angle of View: 63"
 Coating: Super Spectra Coating
 Focal Adjustment: Straight helicoid. The Canon Floating System is adopted.
 Distance Scale: 1 1.25 1.5 2 2.5  3.5 5 10 "" (ft)
                                                         (m)              0.3 0.35 0.4 0.5 0.6 0.8 1 1.5 3 -
 Mount: Canon bayonet mount
 Aperture: Manual aperture control bV the aperture ring
 Aperture Scale:  f 12.8, 4,5.6,8, 11 ,16,22. Depth of  f ield scale and in-
 .    frared index are provided.
 Tilt/Shift Adjusting Mechanism: Tilting and shifting are performed up and
     down and sideways respectively.
 Range of Tilt: t10"

                                and shirtins are avairabre in any 0i,,.- ;il:: ::*ffi:lTl   Both tirting
      tion with respect to.the picture plane. Both revolve around the opti-
       cal axis of the lens and click at every 30".
 Tilt Range Scale: 0-t3o (white line)
               !4"-+10" (red line)
 Shift Range Scale: 0-t7mm (white line)
             tSmm-+l1mm (red line)
 lmage Circle: 58.4@ mm
 Diameter of Filter: 58mm
 Dimensions: 67Qx77mm (in case the distance scale is set at -).
 Weight: 550 g (1 lb. 3-3/B oz.)
 Accessories: Lens Cap C-58, Lens DustCap R-F,58mm filters, Lens Hood
     BW-58B, tripod adaptor, special lens case
                                         Subject to change without notice.
Note: lt is not advisable to use a filter of a make other than Canon. Some
 filters of other makes may hit TS lens surface, causing the filter to crack
or possible damage to the lens.
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Page 9 · Read text
l-1                                 7-2





      1. How to Mount the Lens
      Mount the lens on a camera body after removing its dust cap.
     1.  Rotate the bayonet ring in the direction of the arrow to remove the dust
            cap from the lens.
        I   Note: The bayonet ring does not turn after the dust cap is removed.
     2. Mount the lens on the camera body, setting the red mark on the bayonet of
           the lens to that on ''the mount of the camera. Then turn the bayonet ring
            clockwise so as to fasten the lens securely to the camera body.
     3.  Remove the lens cap, pressing the knobs on both its sides.
        2. How to Focus
          1.  When using the Canon Lens TS 35mm I/2.8 S.S.C. with the cameras which
          accept focusing screens" interchangeability, use of the section-mat type
           Focusing Screen is recommended.
         2.  Before tilting or shifting the lens, the subject should be brought into
             provisional focus. In this case, precise focusing is not required.
         3.   Focus the subject again after you complete thetilting and/or shifting in the
            desired direction. This time, focusing should be precise.
         4.  When tilting, focusing is not obtainable on the microprism at the center of
           the screen. Focus the required part of the subject on the section mat.
         5.  When shifting, focusing is obtainable on the microprism. but focusing the
          main part of the subject is more reliable.                               www.butkus.us
View original page 9
Page 11 · Read text
Tilting Direction
                                  7 1 )v t-q,-hra

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                                                                                                                                                                                                        tvLtr Film Plane





                           Tilt
                         7'f  lV



 3. How to Tilt
 1.   Turn the Tilt Position Locking Knob counterclockwise to loosen it.
 2.  While looking through the viewfinder, turn the Tilt Knob so as to tilt the
      lens in the direction where the extension line of the subject intersectsthat
     of the film plane, and find a position where the subject plane coincides with
     the focal plane. In this case, the field of view of the viewfinder changes
     accordingly, too. lt is necessary to confirm the field of view at the same
     time.
3.   Clamp by turning the Tilt Position Locking Knob clockwise to prevent the
    obtained (tilt) angle from changing accidentally.
4. How to Shift
1.  While looking through the viewfinder, and turning the Shift Knob in the
    direction of a further distant side of the subject, shift the optical axis of the
    lens parallel to the film plane, and find the position where the image
     d istortions d isappear.
    In this case, the field of view changes as the lens      and the covering
    power must be readjusted by tilting the camera.
2.  Photograph the subject stopping down as much as possible, because light
     intensity is sometimes uneven when the range of lens shifting increases.
3. The upper portion of the viewfinder becomes darker as the aperture
    stopped down in case the lens is shifted downwards.
    This phenomenon, however, www.butkus.ushas no effect on the picture to be taken.
View original page 11
Page 13 · Read text
Shifting Direction
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                                                                                                                                                                                          ,vLtr Film Plane
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        It is convenient to set the aperture at full aperture opening when deciding
      the picture composition and stop it down when photographing.

  5.  Exposure Setting
   1.  The aperture of this lens is manually controlled. The light measurement of
     any camera using this lens is therefore stopped-down metering.
  2.   For cameras provided with a stoppeddown metering lever, push this lever
     toward the lens side. While the lens is stopped down, adjust the aperture
       ring and/or the shutter speed dial until the meter needle inside the view-
      finder is aligned with the stoppeddown metering index mark.
  3.   While the tilting and/or shifting operation is performed, metering area in the
      center of the picture plane moves away from the center of the image circle.
     The amount of light reaching the picture plane therefore decreases with the
       falling off of illumination and a maximum error of about one f/stop occurs.
     The quality of marginal light varies somewhat according to the amount of
          tilt and/or shift.
      Decide the correct exposure to suit your photographic purposes.
     Note: lt  is recommendable for you to obtain precise photographic data,
      since it takes some experience to be able to decide the precise exposure
     when using this lens.

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View original page 13
Page 15 · Read text
Photo 1





  6. Concrete PhotograPhic Examples
   1.   Photography to increase depth of f ield (Tiltl
          lf the aperture is not stopped down to give it a full depth of f ield, the whole
       subject shown in Photo 1 usually cannot be photographed sharply, and
      unwanted parts of the subject are sharply photographed'
     As photo 2 shows, tilting the lens gives sharpness to the wanted parts of the
       subject. lt means that by tilting the lens at full aperture, an increase in
      depth of field is obtained.
   2.   Photography to decrease depth of field (Tiltl
      photo 3 shows that some decentred parts are focused due to the depth of
        field even when shooting with full aperture opening.
     But when the focal plane is altered by tilting the lens, the central part alone
                                                                             an        is brought to focus. All other parts are out of focus, and the effect of
      extremely shallow depth of field will be seen on the photograph. (Photo 4)





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View original page 15
Page 17 · Read text
Photo 5
                                 \Photo6t\


                                  Photo 7        Dffi
 3.   Correction of perspective distortions of tall buildings (Shiftl
    The top part of a building is found to have perspective distortions in most
     architectural photographs, due to the perspective effect, because the camera
       is often pointed upwards.
     Photo 5 is an example of extreme perspective distortions of the top parts in
    which the lens is shifted in the opposite direction to include the bottom
      parts of a building in the image.
    Photo 6 is an example in which tilting the lens reduces the upward angle of
    the camera, but some distortion still remains because the camera is not
      parallel to the building.
    Photo 7 is a perfect photograph in which no distortions remain at all, since                                                                                                                                                                                                                                       l
    the camera is parallel to the building and the lens is also shifted.
                                                                                                                                                                                                                                                                                                                     I.t"ti:I4.   Subjects on a mirror and others (Shiftl                                                                                                                      r.I.,:|
   As Photo 8 shows, the camera itself is included in the picture when a mirror
    or a picture behind a glass are photographed from the front. In this case,
     shifting the lens enables the camera to move side-ways from the front of the
    mirror or from the glass, so that the camera is not included, as shown in
    Photo 9.



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Page 19 · Read text
a





                             Photo 10





                                                                     Photo 11

5.  .Photography to exclude unwanted objects (Shift)
    ln case the unwanted object stands in front of the subject to  be
    photographed as shown in Photo 10, by just shifting the lens you can
    exclude it from the picture plane, without changing the position of the
    camera. Photo 11 is an example taken by shifting the lens.
6.   Panoramic photography  (Stritt)
     Shifting the lens fully in the horizontal or vertical direction, having fixed
    the camera in a certain position, can produce a series of photographs in
    perfect panning succession, as shown in Photo 12.





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View original page 19
Page 21 · Read text
7.  How to correct distortions caused by lateral photography (Combined
     operation of tilting and shiftingl
     Shift the lens to correct the image of the object, and tilt the lens to move
     the focal plane and correct distortions.
     Photo 13: Just one point of the object is in focus and the other parts are
         out of focus (ordinary photography).
    Photo 14: The surface of the object is focused by tilting the lens.
    Photo 15: Distortions in the vertical direction are corrected by shifting the
            lens.
    Photo 16: The entire image is corrected and brought into focus by                 {
         combining tilt and shift.

7. Notes and Advices1.  When taking a picture while tilting the lens, the distance scale and the depth  I
    of field scale on the lens mount cannot be used.
   When the lens is tilted, the subject plane is not parallel to the film plane,
    and the distance scale must be used only as a guide because it indicates the
    distance between the film plane and the subject when placed straight in
    front of the  f ilm plane.
    Besides, focusing must not be done in the center of the viewfinder but
    elsewhere when ocassional ly required.
   The depth of  f ield of one sidewww.butkus.usin which the extension lines of the film plane
View original page 21
Page 23 · Read text
7-4




                           Ouality of Light


   Characteristic curve  f or
Ouantity of Marginal Light
              EilUJETfi*F





     and the subject plane cross each other is shallower than that of the other
      side. The depth of field scale on the lens cannot be used when tilting the
        lens.
 2.  When both tilt and shift movements are required simultaneously, adjust the
       tilt/shift scales within the white marks.
    The image circle of the TS 35mm  f 12.8 s.s.c. is designed to be 58.4dmm at
        inf inity. However, since this limit is given after taking into consideration the
      resolving power of the lens, illumination falling off, etc., you can take a
     picture even if you shoot somewhat beyond the limit. But it may be
      difficult to obtain a good picture due to the lack of resolving power and
     illumination falling off. Furthermore, be careful because excessive tilt and
      shift movements will leave the subject out of the picture frame.
 3.    lf the tilt and shift movements are made simultaneously in the same
     direction, the image of a subject located at a long distance cannot be     focused.                  I
    when the lens is tilted dnd shifted at infinity, the plane AB is focused.
    Therefore, in order to focus on the center of the film, it is necessary to
    withdraw the lens from Y toZ, but sincethe lens can only be turned to the
     - mark, the subject cannot be focused at all. (page 21)
4.  when the lens is shifted, if you take pictureswith aperture fully opened, the
     illumination falls off unevenly and this will sometimes show on the picture
     obtained. In such cases you should take a picture with aperture as close as
     possibfe. lpage 22l'        www.butkus.us

22
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Page 25 · Read text
Tripod Adapter
          =H7r/?-



5.   Tilting the lens will produce the effect of both increasing and decreasing the
    depth of field, consequently you should alter the opening of the aperture in
    accordance with your photographic purpose.
6.   Tilt and shift devices are set to cross each other in a right angle. But they
    can be converted so as to move in the same direction. (page 23)
    Note: lf you consider necessary to change them, askan Authorized Canon
     Service Facilities to do so.
   When taking a picture with the TS 35mm f/2.8 S.S.C., you should use a
    tripod to obtain a fixed image plane. A special adapter is used for the TS
   35mm f/2.8 S.S.C. to attach the tripod
   The tripod adapter is screwed in the socket of the camera body, and then it
      is attached to the tripod.
    Note: You should always use the tripod adapter because when the tripod is    attached directly to the camera body, you cannot perform tilt and shift     I
     ad justments.
8.   Tilt/shift lenses have many movable parts. Therefore, they are readily
     affected by dust. Be sure to clean these lenses, before and after use, with a
     blower, brush or soft cloth for smooth operation.
9.  When putting the lens in its case, align the Shift Knob to the center of the
    outer circumference of the case, as shown in the photo (page 25). The
     correct position is when the holder-pad of the top cover of the case extends
    over the Shift Knob when the cover is closed.
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View original page 25
Page 27 · Read text
t



                       Tilt                                                    Shift
           TltvlztU                               y7t7tu

8. What Tilt and Shift are                                                        \              ,   ,
 1.   Tift and Shift
     In the ordinary lens, the optical axis is fixed vertically to the center of the
    film plane and the lens can be moved only to the front or rear for focusing.
   On the other hand, with the tilt-shift lens, altering the relation between the
     lens and the film plane within certain rules, you can obtain a special effect
    impossible with the ordinary lens.
    Tilting is one of them. lt is a way of altering the angle of the optical axis of
    the lens to the film plane. This angle is normally vertical.
   The other is shifting. This is a parallel displacement of the lens axis only
    while the axis remains at a right angle to the film plane with the  f ilm plane
    remaining parallel to the lens plane. (page 26)
    Both can be performed either independently or in combination. However,
     since the ordinary lens does not have such functions, a special lens like the
   TS 35mm f/2.8 S.S.C. has to be used.
    Normally, a lens is designed as a circumference, and the picture image
    obtained through a lens forms a circle of certain dimensions.
   with the 35mm camera, only an image area of 24 x 36mm in the circle  is
   exposed on the film. The circular area is called the image circle, whose
    dimension  is normally stated by the diameter length.
   With the ordinary lens for the 35mm camera, it is sufficient if the lens has
   an image circle A in the Fig. shown at page 27,but with a tilt-shift lenssuch
    as the TS 35mm f/2.8 S.S.C. whose aperture moves up and down and to the
    right and left, it will be useless because the subject will be left out of the
    image plane. Therefore, the tilt-shift lens is designed to have a larger image
     circle, such as B in the illustration, and a picture can be taken freely if the
    aperture stays within the bounds of the image circle B.
     It can be said that this is the main difference between the tilt-shift lensand
    the ordinary lens.

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View original page 27
Page 29 · Read text
Purpose of Tilt and Shift
     2-1.To control photographic range (Tilt and Shift)
      Any area within the scope of the image circle of the lens can be
        photographed.  lt is possible to trim the image area in the image circle.
    2-2.To control line (Shift)
      The lens produces a perspective effect by which a subject located
         closely to it appears to be bigger, and it grows smaller with the distance.
      The lens is shifted to compensate perspective, and a correction of the
          picture is possible.
    2-3.To control focus (Tilt)
       The depth of field of the ordinary lens is parallel to the  f ilm plane, and
        whenever a subject plane is parallel to the film plane,  it will produce a
         sharp image. However, when tilting the lens, depth of field comes to be
        around a plane that crosses with a point on the extension line of the
         film plane, and in aslant direction to it. Consequently, only the desired
         plane adjusted by tilting can be sharply imaged.
      Tilt
   A tilt effect is obtained when the optical axis is aslant as a certain angle of
    the film plane. In this casd, the picture image through the lens is reflected
    on the film plane which is aslant to the optical axis as illustrated at page 29.
     Therefore, the image circle will stretch in both the upper and lower sides to
    form an oval.
    Furthermore, the image circle is displaced while the aperture is positioned
    away from the center of the image circle. For this reason, the limits of the
      tilting angle depend on the dimension of the image circle. (page 28,29!'




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Page 31 · Read text
Plane sharply              lmage circle and        lmage circle and
              focused when the          aperture when the       aperture when the
                optical axis of the          optical axis of the       optical axis of the
                 lens is vertical to the        lens is vertical to         lens is aslant to
               film plane                 the film plane           the  f ilm plane
         v> /aJi#hr7i     )v    v> /afiffihr7    i  )v  v>/@)t,#h*7i    )v
                                                                       l|Ei(: li L ({Elu. ( u.
                   t tfaiE                  t->tt-2tvtT'i        6tteA4t                                                                ->1t- 2                              7 z- 7'[iE            ,Vt7'i-7=7,tfi16                 I
                                7 Film Plane





How to Tilt Effectively
When tilting the lens, a subject plane aslant the film plane can be sharply
imaged, and an effect similar to a deeper depth of field can be obtained. On
the contrary, imaging only a part of the film plane sharply, you can obtain a
 picture just similar to one with a shallow depth of field
 4-1. To image a subject not parallel to the film plane sharply (page 30, 31 left)
   When the optical axis of the lens is vertical to the  f ilm plane, AB can be
     pictured on the image plane but only the subject located within the
    bounds of the depth of field produced with C as its center is focused
     while other subjects remain out of focus.
    when the lens is inclined, DE can be photographed. And DE entirery
    can be sharply imaged due to a principle of the tilt called Scheimpflug's
     Law.                                                                                                                                    II     In this case, depth of field is produced to the front and rear along the
    subject plane, and the oblique lined area is out of focus, which is within                                I
     the depth of field when the optical axis of the lens is vertical to the  f ilm
      p lan e.
    With this, you can obtain an effect just as an increase of depth of  f ield,
    and at the same time, you can also obtain a unique out of focuseffect.
4-2.To image only a part of the subject plane sharply. (page 31 right)
    This is a way to focus a desired subject only while other areas remain
    out of focusto obtain an effect just like decreasing depth of field. lt was
    considered from an oppositewww.butkus.uspoint of view to that described above.
View original page 31
Page 33 · Read text
When the lens is tilted against the subject plane AB which is parallel to
         the film plane, the plane DE is sfrarply focused.
      On the other hand, only a limited area around C on the plane AB is
         sharply focused while other areas remain out of focus. Thus, the picture
        image appears to be just like one with a shallow depth of field.
5.  Shift
     Shifting the lens is performed by displacing the optical axis of the lens while
     keeping it parallel to the film plane. (page 32, 33)
     ln this case, the image circle does not change, as with the tilting, but moves
      in the same direction at the same distance as the optical axis.
    The dimensions of the image circle limit the range of movement of the
     optical axis.
6. How to Shift Effectively
     In case of photographing tall hrildingi, since the distance from the lens to
    the upper area of the building is different from that to the lower area of the
     building, the upper area appears to be srnaller than the lower area due to the
     perspective.                                                                                                                     I
   When shifting the lens, the image distortion which occurs due to the
     difference of the shooting distance, can be compensated and the unbalance
     of the upper part and the lower part of the image can also be corrected.


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