Praktica model III User manual

Venmo @mike-butkus-camera  Ph. 2083
PayPal Name  Lynn@butkus.org      www.PayPal.me/lynnbutkus

of tho lens. Take care that the release kno,b I  is not  pressed in while the shutter is
   being wound up. Any not b,uilt-in self-timers must be either wound up or removed from
   the camera before windins the shutter.
b) Setting the shutter speeds
   The epeeds are set by means o'f the adjusting knob 4 and the ,supplementary knob 5. The
   speed disc is engrave,d with
          black fi,gures for the short spee,ds from l/root,h to l/zrth second, and F (l/aoth),
           witrh red figures for the long spee'ds from l/roth to rlz second,
           a'nd witrh e' B'" cetting for time, exposures_ of any de,sired length.
   Vith the ,shutter set to the speeds of l/sooth to alzsth sec., and, t  the red triangle of the
   supplementary knob 5 must point towards the blad< triangle on the camera top.
  When set to the s,pee_ds of 1/roth to alz sec., the re,d triangle on the supplementary knob                                                                                                              -   must point to the red triangle on the camera top.               A                                                                                                                                                      t I                                                   '2C'TKZfDLU    .,   The " B " settin,g ean be used in both positions.                              )
   To e et the speeds, lift the outer ring 4, turn it to the deeired number and cliek it in. There
     -is only_o:re r€st-hole forLlz andl/zsth rsecordrmarked by  dot between the speed,ro-U"r,   lz  and l/zs.                                               "
   The speed knob may be turned in both ,direction,s either before or after w,inding up the    shutter.
c) Releasing the shutter
  The exposure is_macle by gently preesing in the knob t. In order to avoid lblurring the
   picture, the kno,b chould not be let ,loose until the ,ehutter has run d,own. ,At the                                                                                                                                                                      -6r B "   setting, the shutter kno,b mu6t be preseed ae 'long as the exposure is to last. For the use   of a wire releaseo the                                  is provided with a thrJad irnto whidr the release can be screwed.                              'knorb  A special wire release ,is sn'ppli"d wit,h the camera rfor lon,g time expo€ures in tthe "Tt'   setting (". S. in night photogiaphy).

Lens and Shutter
a) press button No. 12, and the li-ghthood will spril,g rp, uncovering the finder len's. When   the shutter is *or6d up, a brigf,t, clear ima,ge will appear on the ground-glass surface of                                                         you oan focus the lens                                                         on_                                                             lens                                                                 'mount,                                                                        _th_e   the finder. By turning ihe distance meter ring                                                                                                                                                                                                       f
   to the greatest possib'le sharpness.-stoppcdFocusi,ng should be performed with the diap}ra_gim at     ful,l oplning,     the len,s       down to the desired aperture imme'diately before                "ra   making the exposure
   To facilitate focusing, the camera is equipped with a magnifying lens, whidr is swung into
    operatinrg position by means of lever I0.
   When using the ma,gnifying lens, a distance of 15 to 25 mm. between the eye _and- the lens                'obs"tved.-    should be         Oniy ih"n wil'l uhe image on the ground-glass be perfectly clear.
                                                                                            disen'gage   The eye-level viewfin,der in the lighthoo,d is very handy for spo_rt-s snapshots.Jo
                                                                                             the                                                                                                                       f ront of the lighthood cap _ (9), b:ring   the sportsfinder, rswing out the flap in the                                                                                                        i           ifyin,g lens into working posiuion and draw out the finder mask at the back.   ^"gt                                                                                                                                                                             ]   To close the lighthoodo pre€s the lighthood cap (9) gently with your- fingero and all the
    parts will autoiatically slid" ,badc to their original position' except the rear finder 'mask      u
     (If ), whi& has to be pushed badc beforehand.
b) The lens scales
   The ,front ring on the lens mount is en,grave,d with the diaphra,gm sca'le and the index
    point, the mi,ddle ring with the d,istance scale in meters or feet, and the baek ring with
   a diaphragm scalo ehowing the .depth of sharpness.                                                                                          '58   According to this scale, for instance, the Biotar 'lens f/2 with a fceal length  'of   mm
     (2t/+"), ai a distance setting of 4 meters (L2 ft.) at an f/ff  aperture,,gives a  sharpne,ss
    readr,ing from 2.5 to I0 meters (7'6" to 30')
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c) Changing the lens
  Tho lens in the camera body is inter&angeable within its threaded fance. Bv beins
   trinred to the left 1"oti-"lo&rJmo) the lene    b"        from the cameraiody.-SLoutd                                                                    opening from glaring   the camera be loaded when &"r!ing lenses,"1"'take  "e-ooeilp".i";;  the                                                                  ";;;;.    light.

d) The Penta Prism





  Mike Butkus  DigitallyDN:org,Date:cn=Mikeemail=mike@butkus.org,2026.04.25signedButkus,by22:26:44Mikeo, ou=Butkus.Butkus-04'00'c=US
  An acces€orv to the P,raktica io the Penta Priem. Looh into it and you will see an upright,
   ooo-""""o."d, enlarged groung-glass image free from paralax error.
   The Penta Priem ie fitteil into the open lighthood of the canera from above, while ttre
   latdr button (12) ie being depresse'il, whereupon it is bolteil by puehing the faeteni.g
   knob to the front.

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Flash Syndrronization
 On the front of the camera are two bipolar contact sockets, the upper one  X contact for flash tubes (electron'ie flashes), and the low,er one   F contact    for flash-   ,bulbs.      -                                                            -              -
X Contact (aboue):
                                                                                        1/rooo                                                                                                              sec.).Shutter speed 1/ro sec. for flash d.urations ran,ging from 0.1 to I ms (1/roooo to
For-flashes Iasting from I to 5 ms (1/rooo to alzoo sec.) the shutter has to be set on the Fmark.
This contact ,is also designed for short-burn'ing flaeh bulbs, in whidr case the shutter speed
has to tbe set according to the actual flaeh duration. As a rule, thris will h" rlzs o"                                                                                                                   1/ro^ r"".
F Contact (below):
This contact allows 'for synehronization with the shortest shutter speed.s of those flash bulbs
whose ignition time is shorter thqn 70 rns and whose actual flash doration is longer than
20 ms' For uee with slo-wer shutter speeds than 1/soo eec., the shutter speed in ms has to be
adde'd to the 20 ms value, and the resultiug sum ehows the actual duration to be a&ievedbv the flash'                              ':.     ',,
Important: The fl'ash bulb must neoer be put into the flash unit belore the shutter has been
wound. up!
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