Film cameras
Jenaflex AM-1 User manual
User manual for Jenaflex AM-1. 37 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Jenaflex
- Model / document
- Jenaflex AM-1
- Document type
- User manual
- Language
- English
- Pages
- 37
- File size
- 2.2 MB
- Category
- Film cameras
- Document date
- Not specified in catalog
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Page 4 · Read text
Withthe JENAFLEX AM-l youhaue bought a qualitg miniature SLR camera usith fullg lntroductionautomatic shutter speed control in a range betueen 1/rooo s and 40 s. ln addition, the ca' rnera's microelectronics rnake possible pho- tography at fired shutter speeds betueen1/rooo s and 1 s and unlimited shutter speeds ttsith the B setting. The open-aperture TTL metering means a reallg bright uieufinder image as a result of the electronic transmis-sion of aperture ualues from the lens to the &1 carnera. 17 LEDs at the right-hand edge of the uieu- finder image prouide inf ormation on all im- portant shot data and operations, such as the shutter speed to be erpected, undererposure and otsererposure, automatic and semi-auto- matic operating modes as uell as flash re- adiness uith dedicated cornputerised flash units. In addition, the preselected aperture setting is uisible at the bottom of the uieu- finder image. Manual corrections can be made for deliberate ouererposures and un-dererposures. The JENAFLEX AM-L is sui- table for use raith both normal electronic flash units and computerised llash units.View original page 4
Page 7 · Read text
7 Unlocking key
2 Self -timer release
uide to individual parts 3 Self-timer cocking leuer
4 Stop down keg
5 Frome counter
6 Cocking leuer
7 Aperture ualue indication
8 Reu:ittd crank
9 Rerind button
10 Fitm speed setting ring
11 Filter thread
www.butkus.usView original page 7Page 10 · Read text
72 Focussing ring
13 Depth-of-field scale
11 Lens posii.ioning marl:
15 Lug f or camging strap
16 Release Lock tuith n'tarlc
17 Connection f or cable
release
I8 Shutter release
19 Shutter spe ed I automatic
setting knob
20 Hot shoe u:ith centre
contact
21 Connection f or
computerised flosh :
22 Centre contact
23 Memorg Loclc and batterg
check button
2 4 C ompens ation unl.o cking
button
25 Erposure compensatiott
kn,ob usith, marlcing
26 Flash nipple
27 Aperture settirtg ring
;.r. t
aView original page 10Page 12 · Read text
28 Film cartridge
compartment
29 Shutter blades
30 Ea epi,e ce'**t th ac ce s sorA
hoLder
31 Camera back
32 Fil.m take-up-spool
33 Film sprocket
34 Knurled spool base
35 Contacts f or motor usinder
36 Cou*er f or batterg compartment
37 BatterA co'mpartment lod<,ing screu)
38 Fil.m inf ormation holder
39 Thread for tripod
40 Reucind release
41 Coupling for motor uinder
42 Catch f or motor uinder
43 Euepiece couer (see Page 22 )
41
42
11View original page 12Page 13 · Read text
This sumn'Lary is no substitute f or a thorough
Summary of instructions knotaledge of all the operating instructions
for automatic operation contained in this booklet.
O Insert batterg
Note { and - pole markings in batterg compartment cou er (3 6 ).
O Open back
PuLl reutind button (9) upu:ards and the
back roill open.
O Insert film
Adjust setting knob (19) to ! or a fast
fired shutter speed. lnsert film, cartridge in cartridge compartment (28), press re-
usind button (9) back in, insert the start
of the film into the slit in the take-up
spool (32) and turn the spool by the knur-
led edge (34) tou:ards the centre of the
carnera until the teeth of the sprocket (33)
engage in the perforations in the fi,lm.
Staing cocking leuer (6) as far as it uill
go to check film trauel,.
I Close back
www.butkus.usView original page 13Page 14 · Read text
s
Prepare to shoot a Filnt change
Carry on releasing and coeking untit the Depress reuind release (40), fold out re-
(8) and turn in the directionl. frame counter (5) indicates frame l. u'ind crank of the emoLLl. When turning becomes o Readjust setting knob (19) to automatic. easier the film hus been completely re-
o Set film speed t-tou,nd. Pull the rewind button (9) aIL the Lift and turn setting ring (10) until the rraA up to unlock the back and then re-
correct film speed is opposite the mark. 't't1oL,-e the film cartridge.
o Select aperture o Lens change
Set the desired aperture using the aper- Press unlocking keA (1), turn lens anti-
ture setting ring (27). clocl;a*ise as f ar as it tuill go and rernoue.
o Focus In,sert the Lens so that the red markings
Triple uedge: clre opposite one another and turn clock-
loclcs. object is in focus ushen its contours and uise till it
lines flou naturall,y
Micropri,sm ring:
ushen focussed correctlg the objeet is
clear and flicker-free
Ground glass ring:
used usith poor lighti,ng (eg for close-ups);
image should appear clear and sharp.
O Release shutter
Depress shutter release (15) slighttg; the
camera's automatic sgstem starts to ttsork
and an LED shouss the shutter speed. If
the speed suits the subject, release the
shutter; if not, alter the aperture.View original page 14Page 15 · Read text
Inserting the batterg
Pouter f or the light metering, shutter control
and LED indicators is supplied, bU a Mallorg
PX 28 or equiualent 6 uolt siluer oride bat-
'terg. ln normal use a fresh batterg has a
lite of about 2 gears.
To insert the batterg turn the locking screu)
(37) in the compartment couer (36) anti-
clockuise until the couer can be opened.
Wipe the contacts in the batterg compart-
ment and on the lresh batterg uith a drg
cloth. Press the * Fole of the batterg agar,nst
the sprung contact (pole markings i,n batterg
compartme'nt.coDer) and tip the batterg in.
Close andlock coDer.
www.butkus.usView original page 15Page 16 · Read text
Checking the batterg
The shutter must be cocked. Press shutter
release (18) and then memorE button (23). lf
the LED ind,icati.on is bright the batterg
still has a suffici,ent pou;er reserue. When
the batterg is used up the LED goes out. ln
checlc B and ! settings it i,s not possible to
the batterg.
Speci,al attention shoulil be paid, to the bat-
terg and contacts. Frequent checks are ad-
i*i ui,sable,terg i,s sensi,ttuecleani,ng ushento lousnecessarA.tem,peraturesThe bat-and
shou,ld be sui.tablg protected,. When the ca-
rnera is not being used for lengthg periods
the batterg should be remoued from the
can"Lera.l,JView original page 16Page 17 · Read text
Opening the back Pull the reusind button (9) up as far as it usill go to unlock the back. Open the back corn- pletely; th.e frame counter (5) u:ill automati,- cally return to the starting posi.tion. lnsert the film cartridge i,nto the cartridge corn-partment (28). Press the reusind button (9) back in all the uag, turning it if necessarg. lnserfing the film Bef ore the fitmis inserted the shutter speed setting knob (19) should be set to ! (appror.r/go s), as otheruise a slow shutter spbed may be form,ed in the automatic setti,ng. Do not use force. A slou shutter speed so formed can be cut short bg changing trom automatie to B or | . The cocking l,euer canbe operated only when the shutter cgcle i,s completed. Insert the start of the film at least 7 em into the slit in the take-up spool (32). Then turn the spool bU the knurled base (34) tou:ards the middle of the ca:flLera through about one reuolution. The teeth of the til.m sprodcet(33) must engage in the perforation in the film. Check that the tilm is running properlgbg carefullttr operating the cocking leuerwww.butkus.us(6).View original page 17
Page 18 · Read text
Closing the back Press the rniddle oJ the lock side of the back against the camera bodg until the lock is heard to engage. Preparing to shoot The cocking Leuer (6) maU be s;*ung out a little ruaE '**ithout starting the usinding pro- cedure. This readiness posLtion increases handling reliability ushen taking rapid pic- ture sequences. Su:ing cocking Leuer as far as i,t usill go, return and press shutter release (18). Repeat procedure and continue to do so until the autornatic frame counter (5) indi- cates f rame 7.View original page 18
Page 19 · Read text
Setti.ng the film speed
Lift fltm speed setting ring (10) and turn
until the lilm speed ualue used is opposite
the mark.
The knurleil ring locks uhen released. The
tlap from, the JiIm pack can be put into the
film intormati,on ho'.der (38) cs an additional
aid to the memorg.
www.butkus.usView original page 19Page 20 · Read text
Automatic shutter speed control
ln autontatic mode the JENAFLEX AM-L Taking pictu
operates automaticallg in a. stepless shutter
speed range frorn f/lrxn s to 40 s. The shutter t speed, is electronicallE controlled in line
n tuith the l,ighting conditions, the selected aperture and the film speed. LEDs at thbI edge of the uieusfinder Lndlcate the cQn'
trolled" shutter speed. Where the shutter
speed. range is erceeded thLs is indicated bg
OVER and tlNDER. TheTTL metering auto-
m,aticatty takes into account aLL factors in-
Jluencing the erposure such as f ocal Length
Lenses of the lens, filter and ettensions' If uith the M 42 r 1 thread are used u-ith
an adapter, Light metering is automatic at
u'orking aperture.
r#View original page 20Page 21 · Read text
Aperture selection
The desired aperture is set against the mark
on the lens rnount by turniig the &perture
settins ring (27 ). The iet apertire is d,iietiied,
at the bottom of the uieufind,er image. As a
guide, the selection of the follotuing uatues
can be recommended for a Jitm ipeed, of 20 DIN: 80 ASA
aperture
sunshine 8-11
cloud cover 4-5.6
close-ups not belou 8
The choiee of aperture can also be mad.e
according to the desired, depth_of_!ietd, (fore_
qrgynd, mid-ground, background) and, bg
taking into account the sieed, iniormation
i1t the- uiewfinder (danger-of bluriing).
See also the section oi depth_of_fietd indi_ cation. A small aperture means a large depth-of-field, o, large aperture a corre_ sp ondinglg smaller depth-of _f ield.
www.butkus.us
20View original page 21Page 23 · Read text
Shutter release
Atter the shutter speed has been checked, in
the uieufinder, the shutter is operated bA
fully depressing the shutter release (19).
When pressure is rernoued from the shutter release the electronics are automaticallg
stuitched off . With slous shutter speed,s the
remoual of pressure from the shutter release
does not atlect the erposure procedure. In
this case the electronics are suitched off
only uhen, the shutter cgcle has been conx-
pleted.
If the cycle needs to be broken off prema- turely uith a uerg long shutter speed, (eg
after an accidental shutter release), the
s_hutter speed setting knob (19) should briefla
be turned to B or I . If the camera is nol held at ege leoel during automatic operati,on
(eg uith tripod shots), the egepiece couer (4J)
uhich cornes uith the carnera should be
pushed into the holder (30).
www.butkus.us 22View original page 23Page 24 · Read text
T-Locking of metered ualues
lJ the subject features ertreme conttasts,
such as
I, O people u:earing dark clothes i,n sunlit
snolD or
I l o a tight-cotoured object in front of a dark
t background,
the erposure ualue can be calculated bg in-
diuidual nxetering of the most important
element in the picture trom close up.
The metered ualue calculated in the close-up
meo.surernent is stored, and the image sec-
tion can be changed usithout another shutter
speed being set.
To store the metered ualue tirst depress the shutter release (15) slightlg to initiate the
metering process and then brieflg press the
rnernorA button (23) to lock in the metered
aalue. The shutter must be cocked. No neus
rnea,sl.rrernent is made before the shutter is
released, and the shutter speed usill corres-
pond to the locked ualue.
The locked oalue is erased u:hen pressure is
remoued, from the shutter release and the
electronics are suitched off .
23View original page 24Page 27 · Read text
AII other shutter speeds including B a,re
eleetronicallg controlled. It is also possible
to photogr.aph usith 7 u:ithout a batterg.
Holding the ca,rner@
The illustrations shotp the best positions in
which to hold the camera for uprr,ght and
horizontal format shofs. HoId the carnera
steadilg and tightly and support the elbouss
against the bodU. In this uaA Aou usill
aehieu e blur -f r e e pictur e s.
www.butkus.usView original page 27Page 28 · Read text
Flash photographA
It the auailable light is insutticienl f9rhand-helit shols (eg indoors) or it the sub-
ject has to be additionallg "brightened u,p",
Thsn shoulil be used. AU fitting electronic
ltash units can be used, uhether cornputer'ised or not. Push the flash unit onto the hot
shoe uith centre contact (20); the electrical
connection is thus made. In the case o! tlash
units utithout the centre contact the electri-
cal connection is made uia the tlash nipple.
The simultaneous use of trao flash units is
possible usith the ttno electricallg separate
connections.
speedsFor electronic flash usithout computer con- AII other information on automatictrol set the shutter speed knob (19) to , on the displag is ertinguished. When fired
The set shutter speed (arut'nd 1/e6 s) is f ormed speeds are used, tlash readiness i,s indicated,
mechani,callg. in addition to the intormation on the rele-
lf a dedicated com,puterised flash unit .is uant speed on the displaa and i,n ! and Bpushed onto the hot shoe in automatic set- settings.
ting, the electronic flash speed is automati- To auoid incorrect exposures (ouererposu- is res) uith flash uhen the surrounding lightcaltg f orm'eil uhen flash readirtessachieued. Flash readiness is indicated by a is bright, check bg sruitching ott the compu-
green LED in the uietutinder uhen the flash terised tlash unit that the shutter speed cor-
unit is switched on and gentle pressure is responding to the surcounding light is slo- applied to the shutter release. tner than t/pi s.
27View original page 28Page 29 · Read text
Changing the lens
Press the unlocki,ng keg (1) and, turn the lens
anti-clockt-uise as far as it wit| go. Remoue
the lens from the cumera.
Insert the lens i,n such a waA that the reil
markings (1 and 14) on the camera and,lens
&re opposite each other. press the lens
against the camera bodg and turn clockwise
until the locking pin is heard to engage.
Bg using the PB-M4Z adapter
all original lenses with the M 42 r 1
thread can be connected: lenses of other makes uith the M 42 r I thread, must be
suitable for PRAKTICA ca,nteras and equip-
ped for metering at rnorki,ng aperture. The
JENAFLEX AM-L also uorks automati.cally
with screus-thread lenses, the onlE differ-
ence being that the light metering is made
utith ta orking aperture.
www.butkus.usView original page 29Page 30 · Read text
Focussing Focussing is possible usi,ng the triple uedge sgstem, the mi.croprism ring or the grounil glass ring. 1) triple taedge The uedge sgstem allouss highly accurate focussing. Optimum sharpness is achi'eued rnhen the contours and li,nes flou naturallg.Incorrectly ali.gned edges indicate that the image is out of f ocus. 2) microprism ring The i,mage i,s correctlg focussed u:hen the i,mage inside the grid is clear and flicker- free. 3) ground glass ring Especially useful in macro and micro photo- graphg and uhen usi,ng lenses uith a small relatiue aperture (greater than 4). The image must appear clear and sharp i,n the ground glass ring.View original page 30
Page 31 · Read text
D epth- of -f i eld indic ati,on
The limits of the depth of field f or the selec-
ted aperture can be read oIf trom the depth-
of-tield scale (13) on the lens. Erample:
distance 3 m, aperture 5.6,- depth of tield
ranges from around 2 m to 5 m.
Infrared photographg
Intrared photographg requires a slight cor-
rection to the focussing: match the distance
d,eterrnined in tocussing rnith the infrared
mark (see arrora) on the lens.
Stopdousn keA
The depth of field can also be judged bg the ground glass ring in the uieutinder image.
Push the stopdotnn keE G) upuards. Do not
meter or release uhen stopping dotnn, as
this tpill lead to an incorrect erposure.
,F,!e,!!11:€,1 ,,1 fu)tel.1'rnwww.butkus.usru
ri."tis,!))l id,i, i6l.View original page 31From the M. Butkus archive. Original publisher and archive notices are retained.
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