Ricoh XR-1 User manual

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Fig. 13                                       Fi9. 14





Fig. 15                                     Fis. 16

         ffi      @                 ffi


      Correct exposure                  Over-exposure                      U nder-exposure
      Exposition correcte                  Sur-exposition                        Sous-exposition
       Richtige Belichtung                 Uberbelichtung                        Unterbelichtung
      Exposici6n correcta               Exceso de exposici6n                 Insuficiente exposici6n
      Juiste belichting                     Overbelichting                        Onderbelichting
       Korrekt exponering                Overexponering                     Underexponering
      Esposizione corrette                Sovraesposizione                     Sottoesposizione
           Fis. 17                  Fis. 18                       Fig. 19

DESCRIPTION OF PARTS
  1. Film Rewind Knob/Back Cover Lock Release Knob
  2. Film Rewind Crank
  3. Film Speed Diat (ASA/DtN)
  4. Film Speed Lock Button
  5. Hot Shoe/Flash Contact
  6. Shutter Speed Index Line
  7. Shutter Speed Dial
  8. Cable Release Socket
  9. Shutter Release Button
 10. Meter/Shutter "ON-OFF" Index Mark
 11. Film Advance Lever
 12. Battery Check Ring
 13. Exposure Counter
 14. Neck Strap Eyelet
 15. Self-timer Lever
16. Depth of Field Preview Button
 17. Lens Release Lever
 1 8. Lens Locator Node.
19. Focusing Ring
20. Distance Scale
21. Depth of Field Scale
22. F-Stop Ring
23. Aperture Relay Port
24. Sprocket Teeth
25. Multi-exposure Button
26. Film Guide Rail
27. Viewfinder Eyepiece
28. Film Rail
29. "X" Flash Terminal
30. Film Rewind Shaft
31. Film Chamber
32. Battery Compartment Cover

I
 BATTERY LOADING
 The built-in through-the-lens cds exposure metering system of your
 xR-1 operates on power activated by two 1.bv G13 silver-oxide
 batteries, which are supplied together with your camera.
   1. Remove Battery Compartment Cover (32) by unscrewing  it
     counterclockwise with a coin (Fig. 1).
  2. Place the two batteries into the compartment with the plus @
     side down, as illustrated in the battery holder of Battery com-
     partment Cover (32y 1p;n, 2,. Make sure that the batteries are
     correctly placed. lf incorrectly placed. Exposure Meter Needle
     (4O) in the viewfinder will not move at all.
  3. Replace Battery Compartment Cover (SZ) by screwing  it
     clockwise until it stops but do not force.

Tips for Better Results
  *  Before loading, wipe off the surfaces of the batteries with a clean
    and dry cloth to ensure they are free of fingerprints or stains.
  * when your camera is not used for a long period, remove the
     batteries and keep them in a cool, dry place.
  * The batteries will last for about one year in normal use. we
    suggest you replace them regularly once a year on your birthday
    or sooner.
  * The batteries may explode if disposed of in fire.

BATTERY CHECK
check the power of the silver-oxide batteries after loading them.
  1. Turn Battery Check Ring (12) clockwise until it stops (Fig.3).
 2. lf Exposure Meter Needle (40) in the viewfinder swings to
    Battery Power Check Mark "C" (42), the batteries have sufficient
   power (Fig. a).

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 3. lf Exposure Meter Needle (40) does not move or stays below
    Battery Power Check Mark "C" @2l., the batteries must be
    replaced. For replacement, use Mallory M576, Eveready 576 or
     equivalent.

Tips for Better Results
  * Do not turn Battery Check Ring (12) often in order to avoid un-
    necessary consumption of the batteries.

FILM LOADING
Your XR-1 is designed to accept any standard 35 mm color or balck
and white film roll in cartridge 112, 20, 24 or 36 exposures).
  1. First of all, press Shutter Release Button (9) to see that the
     shutter has been released.
 2. Pull up Film Rewind Knob (1)until Back Cover (36) snaps open
     (Fig. 5). Then, pull it out all the way to allow for insertion of the
     film cartridge.
 3. Swing open Back Cover (36) and place a film cartridge into Film
    Chamber (31) (Fis. 6).
 4. Push down Film Rewind Knob (1)to its original position by tur-
    ning Film Rewind Crank (2) clockwise or counterclockwise so
    that Film Rewind Shaft (3O) engages the film cartridge and that
    the film cartridge is seated in place (Fig. 7).
 5. Draw the film leader across the camera back and insert it into
    one of the slits of Film Take-up Spool (35) (Fig.8). To bring the
      slit into a convenient position, rotate Film Take-up Spool (35) in
    the direction of arrow with your finger.
 6. Rotate Film Take-up Spool (35) by advancing Film Advance
    Lever (11)to take up any slack in the film and check to see that
    the film tip is firmly hooked onto Film Take-up Spool (35) (Fig. 9)
    and that sprocket holes on the film are fully engaged on Sprocket
    Teeth (2a) (Fig. 1O).

7. Close and press Back Cover (36) firmly until it snaps shut.
  8. Advance Film Advance Lever (11) two or three times, after
    depressing Shutter Release Button (9) each time, until the
    number "l"  is opposite the index line in Exposure Counter (13)
     (Fig. 1 1), because the first portions of the film can not be used for
     picture taking as they have already been exposed to light and
    two or three blank exposures should be made before taking your
      first picture. Now it is ready for your first picture.
Tips for Better Results
  * Always load your camera in the shade or in a poorly-lit place,
    never in direct sunlight or other bright light.
  * As you advance Film Advance Lever (11), Film Rewind Knob (1)
     will simultaneously rotate counterclockwise indicating that the
     film is properly advanced.

SETTING FILM SPEED
Each type of film, color or black and white, has its own sensitivity to
light. This sensitivity is assigned by a numericalvalue described as an
ASA rating (U.S.A. Standard) or a DIN rating (Europe and most other
countries). In most cases, both ASA and DIN ratings are imprinted
on the film package, as well as the data sheet packed with the film
and the film cartridge itself. The higher the film speed rating, the
more sensitive the film is to light; that is, less light is required for a
proper exposure. The film speed, therefore, is an important element
in insuring that the through-the-lens metering system of your camera
determines the correct shutter speed and f-stop combinations for a
given lighting situation.
 1. Depress Film Speed Lock Button (4) (Fig. 12) and rotate the out-
    er ring of Film Speed Dial (3) until the ASA (or DIN) number of
    your film is exactly opposite the index line on the outer ring of
     Film Speed Dial (3) and click stops. For example, if the film is
   ASA 1OO, make the correct setting at "100" (Fig. 13).

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  2. Take your finger off Film Speed Lock Button (4) to lock the film
    speed setting in the camera.

 Tips for Better Results
  * Each time a film with a new film speed rating is roaded in your
     camera, the film speed must be set to assure accurately exposed
     photographs.

METER/SHUTTER "ON-OFF" CONTROL
 Film Advance Lever (111 ss.lrols exposure meter "ON-OFF" and
shutter release "LOCK-UNLOCK" to protect your camera from un-
 necessary depletion of the batteries and accidental shutter release
when not taking pictures. 40o pre-advance and 135o advance angle
assures faster winding and permits continuous operation for se-
quence photography.
  1. When Film Advance Lever (t t)is moved to "ON" position (Fig.
     14), the electric circuit is switched on and Shutter Release But-
    ton (9) is unlocked.
 2. whenever picture-taking is completed, be'sure to move Film Ad-
    vance Lever (11)to "OFF" position (Fig. 15). The electric circuit
     is switched off and Shutter Release Button (9) is locked.

Tips for Better Results
 * To prevent unnecessary consumption of the batteries, be sure to
   move Film Advance Lever (11)to "OFF" position when not tak_
    ing pictures.

CORRECT EXPOSURE
Your XR-1 has a built-in through-the-lens full aperture CdS exposure
meter which measures the light coming through the lens and enables
you to set the proper exposure for a given lighting condition. The cor-
rect exposure is obtained by setting the shutter speed and f-stop in
the correct combination for the film, subject and lighting conditions.
  1. Set the desired shutter speed opposite Shutter Speed Index Line
     (6) by rotating Shutter Speed Dial (7) (Fig. 16) (Read "SETTlNG
   THE SHUTTER"). Shutter Speed Indicator (41) in the viewfinder
     indicates the shutter speed you JUSt set.
 2. Move Film Advance Lever (11) to "ON" position (Fig. 14)
 3. Hold your camera, look at your subject through the Viewfinder
    Eyepiece Q7l and check Exposure Meter Needle (40).
 4. Rotate F-Stop (lens opening) Ring (22) and align Exposure Meter
    Needle (40) with Shutter Speed Indicator (4t I 1Fig. 17). F-stop
     is visible through Aperture Readout Window (43). lf Exposure
    Meter Needle (4O) goes above Shutter Speed Indicator (41), this
   means "overexposure" (Fig. 18); select a faster shutter speed or
    a smaller lens opening. On the contrary,  if the needle goes below
    Shutter Speed Indicator (41), this means "underexposure" (Fig.
     19); choose a slower shutter speed or a larger lens opening.
lf you want to use a specific f-stop for depth of field control, you may
set the f-stop first and then the shutter speed, while other procedures
are the same as above.
This setting may be used when you take a portrait or the like, inten-
tionally making your subject attractive with the background or the
scene rn front of it blurred. How your subject turns out in the picture
depends on the f-stop setting. (Refer to "DEPTH OF FIELD"). The
chart (Fig. 2O) shows the exposure value range (shutter speed and f-
stop combinations) of your camera's metering system for selected
film speeds.

SETTING SHUTTER SPEED
The shutter controls the length of time the light is allowed to strike
the film. The speed at which the shutter opens and closes is
measured in fractions of a second that correspond to the numbers on
 Shutter Speed Dial (7). For example, " 1000" is 1/1000 sec., " 125"
 is 1/125 sec., "4" is 1/4 sec., "1" is one full second and so on.
  * Simply turn Shutter Speed Dial (7) until the desired shutter
    speed is set opposite Shutter Speed Index Line (6) (Fig. 16).
Generally speaking, when shooting outdoors in bright or hazy
sunlight, "125" fi/125 sec.) is suitable for most pictures. When tak-
ing your subjects in motion, "25O" (/2SO sec.) to "1O00" (1/1OOO
sec.) should be used .... Faster speeds will "freeze" extremely fast-
moving subjects (sports, racing cars. etc.). When indoors in a well-lit
room. "60" (1/60 sec.) should be sufficient to take your subjects,
depending upon the film you are using. When in poorly-lit places, or
to achieve the maximum depth of field, "3O" fi/3O sec.) to "1" (1
sec.) are available. When set at "B", the shutter will remain open as
long as Shutter Release Button (9) is depressed (preferably by a cable
release). The "B" setting is used for long night exposures using street
lights or electric signs as a light source, or under poor lighting con-
ditions when flash cannot be used.

Tips for Better Results
 * When using slow speeds (below 1/30 sec.), use a tripod or other
     firm support to prevent the movement of the camera and blurred
    pictures. In shooting with a telephoto lens, be careful to
    minimize the camera shake especially.
 * Do not set Shutter Speed Dial (7) between marked speeds. but at
   a click stop in accordance with indicated speeds only.
 * Shutter Speed Dial (7) does not revolve between "l0OO" and
    "8".

                         -9-

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SETTING APERTURE
The lens opening determines the amount of light entering the lens
and exposing the film. The smaller the f-stop (t/2.O, t/2.9, etc.), the
wider the lens opening and the greater the amount of light entering
the lens. The larger the f-stop (t/16,f/ll,  etc.), the smaller the lens
opening and the smaller the amount of light entering the lens. As the
lens opening is moved from  f / 16 to t/ 1 1 , the amount of light entering
the lens is doubled. Asthe lens opening is moved from f/2.Otof/2.9,
the amount of entering light is cut in half (Fig.21).
  *  Rotate F-Stop Ring (22) until the desired f-stop is opposite the
     aperture index line (Fig.22). Click stops are provided to prevent
     accidental movement from the setting made.
Tips for Better Results
  *   lf necessary, you may set F-Stop RinS Q2l between two f-stops.

VIEWING AND FOCUSING
Since you are viewing through the lens, there is no parallax
problem..... What you are viewing in the viewfinder will exactly
appear in your picture. This enables you to determine the exact com-
position of your subjects before pressing shutter Release Button (9).
Even when you shoot close-ups, there is no danger of accidentaily
cutting off a portion of your picture. To assure the sharpest possible
prctures, your XR-1 has a three way focusing screen with diagonal
Split-image Spot (39), Microprism-image Band (38) and Fresnel field,
and you can select three way focusing according to your subject.
  1. Look into Viewfinder Eyepiece (27) to compose your picture.
 2. split-image Focusing  ... is helpful for the subject with either ver-
     tical or horizontal lines.
    Rotate Focusing Ring (19) until the split image in Split-image
    Spot (39) forms a single image. When it is out of focus, your
    subject is split into two parts (Fig. 23).

                    _10_





                                                                                                                                                                                                                                                                                                                                                                                                                          I

3. Microprism Focusing  ... is good for the subject which lacks clear
      vertical or horizontal lines.
     Rotate Focusing Ring (19) until the image in Microprism-image
    Band (38) appears sharp (Fig. 23).
  4. You can also focus with any part of the area surrounding
    Microprism-image Band (38). This is most useful when taking
     pictures with ultra telephoto lenses or in close-up photography
    with bellows unit, macro lenses or extension rings because the
     other focusing aids may darken appreciably.

UNLOADING FILM
After the last picture on the roll of film has been taken, rewind the
film and unload your camera.
  1. Press Film Rewind Release Button Bq GiS.2q.
 2. Ltft up Film Rewind Crank (2) and turn it clockwise until Film
    Rewind Release Button (34) stops revolving and you feel the film
    tension released (Fig.25). This indicates that the film has been
    completely rewound into the cartridge.
 3. Open Back Cover (36) by pulling up Film Rewind Knob (l).
 4. Remove the film cartridge and have the firm processed as soon
    as possible.

Tips for Better Results
 * Always unload your camera in the shade or in a poorry-lit place,
    never in direct sunlight or other bright light.
 * when you reach the end of the roll of film, Film Advance Lever
    (11) will tighten and refuse to advance. lf this happens, do not
   advance Film Advance Lever (11) by force for "Just one more
    shot". otherwise the film will be torn out of the cartridge.
 *  Film Rewind Release Button (34) will remain in place once it is
    pressed. and return automatically to its original position when
    Film Advance Lever (11) is adavnced.

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 MULTI-EXPOSURE
 Your XR-1 has a multi-exposure device which will give you a lot of
  creative fun (Fig. 26).
   1. Make           the                    first                     picture in                           the normal                                           way.                                                          }      For the  2.            second                    exposure,                           advance                                          Film                                      Advance Lever (1 1) while
     keep pressing Multi-exposure Button (25) firmly with the other
     hand (Fig.27],. This wiil set the shutter for the second exposure
     without advancing the film and Exposure Counter (13).

 Tips for Better Results
  * Good results in murti-exposure depend on careful shutter speed
    and lens opening setting. This means, in order to prevent over-
     exposure of the final picture, we suggest that the first picture
     should be underexposed by adjusting either shutter speed or lens
     openrng.
  *  lf you want, repeat the same action for the third exposure or
     afterwards.
  * Whenever advancing the Film Advance Lever (1 1) for second ex_
     posure or afterwards, make sure that the Multi-exposure Button
     (25) is pressed firmly with the other hand and watch to see that
    Exposure Counter (13) is not advanced, indicating that multi_
    exposure picture is ready to be taken.
Take practice shots to get yourself accustomed to the multi-exposure
technique and take creative pictures of your own.

TAKING FLASH PICTURES
You can use a flash at night or in a dimly lit room as well as for
supplementary lighting in outdoor photography. The camera and
electronic flash will be fully synchronized with the shutter speed at"8" and 1 sec. to 1/125 sec.

A. Cordless Electronic Flash Unit
 lf you are using an electronic flash unit with a built-in hot shoe con-
tact,  it can be attached directly to Hot Shoe (5) on top of the camera
pentaprism.

B. Flash Equipment with Connecting Cord
lf your flash unit does not have a built-in hot shoe contact, attach  it to
Hot Shoe (5) and plug the flash cord into the "X" Flash Terminal (29).

Tips for Better Results
 * "125" fi/125 sec.) on Shutter Speed Dial (7) and "X" on Hot
    Shoe (5) are marked in red as a reminder for electronic flash syn-
    chronization (Fig. 28).
 * When using PF, M or MF class bulb. refer to the Chart (Fig. 29),
    showing the synchronizing ranges of shutter speeds.
C. Exposure for Flash Photography
The exposure is determined by the guide number of the flash bulb or
electronic flash unit. The guide number represents a relationship
between the light output of the flash and the speed of the film. Guide
numbers for flash bulbs can be found on the package and guide
numbers for electronic flash units are found in the technical
specifications. Using the guide number, you can determine the cor-
rect f-stop for a given flash situation using the following formula:
 F-stop :  Guide number .  Flash-to-subject distance.
For example,  if your flash unit has a guide number of 16(m) or 52.8
(ft.) for the type of film you are using, and your subject is 2 meters
(6.6 ft.) from the flash unit as indicated on Distance Scale (20) after
focusing, divide 16 (52.8) by 2 (6.6), The answer is 8; therefore, set
F-Stop Rtns (221 to 8 (f/8),

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 Tips for Better Results
  *  lf you are using an auto electronic flash unit with power ratio
      control, follow the instruction sheets packed with the flash unit.
  * Most electronic flash units have a built-in dial or exposure table
    which enables you to quickly compute f-stops based on flash-to-
     subject distances.

USING SELF-TIMER
Your XR-1 has a built-in self-timer which delays the shutter release
about maximum of 10 seconds. This enables you to include yourself
 in your own pictures and is arso of benefit in taking close-ups or
photomicrographs where camera movement must be avoided.
  1. First, advance Film Advance Lever (11).
 2. Merely move Self-timer Lever (15) counterclockwise (Fig. 30).
    According to the degree you have moved  it down, you can adjust
    the operating time. For the maximum delay, move it until  it
     stops.
 3. Press Shutter Release Button (9) to start the self_timer moving.
Tips for Better Results
 * You can set Self-timer Lever (15) firstly and then advance Film
   Advance Lever (1 1).
 * The Self-timer Lever (15) can be returned to its original position
    after setting the lever, however, be careful that the self-timer
   mechanism will not be disengaged.
 * The camera should be placed on a tripod or other sturdy support
   when using self-timer.
 * When using a tripod with a long thread length (more than 5.7
   mm), be careful not to forcibly screw in the thread further than
    the depth of the socket.

CHANG ING LENSES
To mount the lens on the camera
  1. Mount the lens by lining up the red dot on the lens mount with
.   the matching dot on the camera mount (Fig. 31).
  2. Grasp the lens firmly around the lens barrel and turn  it clockwise
     until it clicks into place

To remove the lens from the camera
  1. Grasp the lens firmly around the lens barrel in one hand.
 2. With the other hand, hold the camera body and press Lens
    Release Lever (17) and turn the lens counterclockwise until it
    stops (Fig. 32). The lens now can be removed.

You can also change lenses easily without looking even in the dark by
means of Lens Locator Node (18). Line up Lens Locator Node (18)
with Lens Release Lever (17) and turn the lens clockwise for moun-
ting the lens. For removing the lens, press Lens Release Lever (17)
and turn the lens counterclockwise until Lens Locator Node (18) and
Lens Release Lever (17) line up.

Tips for Better Resutts
 * Whenever a lens is mounted on the camera, make sure that the
    lens is perfectly mounted.
 * Do not touch any of the internal parts or permit dust or dirt to
    enter the camera body when removing or attaching lenses.
 *  Protect the inside of the camera by putting on the body cap
   whenever the camera is carried or kept with the lens removed.

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 DEPTH OF FIELD
 when you focus on a specific subject, an area in front of and behind
 the subject will appear acceptably sharp in your picture.
 This area of acceptable sharpness is called "Depth of Field". The
 depth of field is determined by the f-stop you select and the distance
 from the in-focus subject to the film plane. As you get closer to your
 subject. or as you open your lens (for example, from t/16 to f/2.91,
 the depth of field becomes shallower. By stopping the rens down (for
 example, from f/2.8 to f/16), the depth of field becomes deeper. The
 depth of field can be pre-determined in the following ways:
A. Depth of Field Preview Button
 Pressing Depth of Field Preview Button (101 1p;n. 33) will setthe lens
 at the corresponding opening you previously set on F-stop Rins e2l,
This will enables you to preview the area of acceptable sharpness in
the picture you take. The viewfinder will become dark corresponding
to the f-stop you previously set on F-stop Ring (22). Depth of Field
 Preview Button (16) will automatically return to its original position
when you release it and the viewfinder will become as bright as
before.

B. Depth of Field Scale
After you have set the lens opening and have focused the camera, the
area of acceptable sharpness in front of and behind your subject can
be also determined on Depth of Field Scale Q1l.
Locate on Depth of Field Scale (21)the two numbers corresponding
to the f-stop you have set on F-Stop Ring (22). The distance between
these two f-stops on Distance scale (2o) will be an area of accep-
table sharpness in your picture. For example,  if your lens is focused
at 3 meters (1O ft.) and you shoot atB (t/81, the area of acceptable
sharpness will be from 22m (7.3 ft.) to 5m (10.5 ft.), by reading
Distance Scale (20) opposite the both sides of the ,,9,, numbers on
Depth of Field Scale Ql)  lFig. 34).
                     -16_

Tips for Better Results
  * Do not depress the Shutter Release Button (9) when depressing
    Depth of Field Preview Button (16).

INFRARED PHOTOGRAPHY
 For infrared photography using infrared films, a correction of Distance
Scale (20) is necessary because "infrared light rays" focus on a film
plane slightly behind that of "visible light rays".
  1. Normally focus on your subject and note the camera-to-subject
     distance opposite the distance index line on Distance scale (2o).
  2. Turn Focusing Ring (1 9) until this camera-to-subject distance
    setting is opposite the infrared index line. For example, if
    Distance scale (20) reads 5m (16.5 ft.) after focusing, merery
     shift the "5" (16) scale to the "O" (red) position (Fig.3S).

Tips for Better Results
  *  Infrared radiation varies with the degree of infrared light rays in
    the atmosphere.
 * For exposure, follow the instruction sheets which are packed
    with the film.

INTERCHANGEABLE LENSES AND ACCESSORIES
A wide range of XR RIKENoN interchangeable lenses including ex-
tremely wide angle lenses, telephoto lenses, zoom lenses and various
accessories are available to enable you to expand the pleasure of your
picture-taking. XR RIKENoN interchangeable lenses and accessories
are made of selected high quality materials under strict quality control
to assure you of high performance and full satisfaction. serect XR
RIKENoN interchangeable lenses and accessories that will meet your
needs.

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Since the camera is designed to accept any lens with the "K" type
bayonet mount, your XR-1 affords you the opportunity to select any
interchangeable lens or accessory of the "K" type bayonet mount
available on the market.
PROPER CARE OF YOUR CAMERA
 * Always carry your camera with its carrying case and neck strap.
 * Use the lens cap to protect the lens when not taking pictures.
 *  Protect your camera from dust, dirst, water, rain. dampness, salt
     air and rough handling.
 * Never expose your camera to excessively high or low
    temperatures for an extended period of time. In extremely hot
    climates, do not leave your camera inside crosed automobiles
   during the daytime or in direct sunlight. In extremely cold
    climates, expose your camera to the outer air only when in use  ...
   when using, expose your camera gradually to the outer air to
    prevent the lens from clouding.
     lf exposed to an extremely cold climate, the exposure meter
    batteries may fail to operate properly. Keep your camera inside
   your clothing until taking a picture.
 * Never touch the surfaces of the lens, metal focal plane shutter
    curtain, reflex mirror, etc. with your fingers.
 * To clean the lens, gently wipe it in a circurar motion with a lens
   cleaning paper or a soft, clean and lintless cloth.
 * Do not wipe the camera body with chemicals, such as benzine,
   thinner, etc. use only soft cloth or cotton swab sprinkled
   LIGHTLY with alchohol on the camera body. Do not use them on
   the lens because it can affect coating.

* When your camera is not in use for an extended period of time,
     put the lens cap, remove the batteries. place your camera in its
     carrying case together with silica gel or other desiccant and store
       it in a dry and cool place.
    Never store your camera in places where the temperatures are
 .   excessively high or low.
  * Do not attempt to disassemble or repair your camera yourself.
        lf service is necessary, get in touch with your dealer or authorized
    Ricoh service station.

MAJOR SPECIFICATIONS OF XR.l
Camera Type:
   35 mm SLR with metal focal olane shutter.
Film Format:
   24x36 mm
Film Size and Capacity:
   35 mm perforated film in 12, 20, 24 or 36 exposures.
Standard Lenses:
   50 mm XR Rikenon f/1.4 (Multi-coated), 6 groups 7 elements
   50 mm XR Rikenon t/1.7 (Multi-coated). 5 groups 6 elements
   5O mm XR Rikenon f/2.O, 5 groups 6 elements
     Filter size: 52 mm screw-in type
Lens Mount:
    "K" type bayonet with 65o rotating angle
Shutter:
     Vertically moving copal FC-523 metal focal plane shutter with
    speeds from 1 to 1/1OOO sec. plus B.




                      -19*

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Viewfinder:
    Fixed eye-level pentaprism                                f     F-stop, Shutter speeds, "8" (Bulb), Exposure meter needle (also
    acts as battery checker), Shutter speed indicator and battery
    check mark visible.
    Viewing magnification O.88X.
     Field of view covers 93% of actual picture area.
Focusing:                                                                       I    Diagonal Split-image spot in microprism band surrounded by
    Fresnel field.
Exposure Meter:
    Three CdS photocells fiL  full open metering for center-weighted
    average light reading coupled to shutter speeds, film speeds and
     f-stops.
Exposure Coupling Range:
                                                                                                                          f /1.4 lens)   EV3 -  18 (ASA 1OO film with 50 mm
Film Speed Range:
   ASA 12 -  3200 (DlN 12 -   36l'
Exposure Meter Power Supply:
  Two 1.5V silver-oxide batteries (JlS G13, Mallory M576,
    Eveready 576 or equivalent).
Flash Synchronization:
   X Synchronization  for electronic flash unit at "B" and 1 sec. to
    1/125 sec.
Flash Terminal:
    "X" flash terminal. "X" contact (with electric shock prevention
    mechanism) on hot shoe for cordless electronic flash unit.
Film Loading:
     Multi-slit easy loading.
Film Wind:
    Single stroke film advance lever with 135' winding angle (40o
     PlaY)'


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