Film cameras
Beseler B User manual
User manual for Beseler B. 67 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Beseler
- Model / document
- Beseler B
- Document type
- User manual
- Language
- English
- Pages
- 67
- File size
- 6.0 MB
- Category
- Film cameras
- Document date
- Not specified in catalog
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Page 4 · Read text
F- l. Film winding lever 4. Slcw speed shutter index 6o. Body shutter releqse 2. Ex posure counter 5. Slow speed shutter diol 7 . Automotic diq phro gm releqse 3. Exposure counter index 6, Extended shutter releqse button 8. Aperture ring lockView original page 4
Page 5 · Read text
9 . Diston ce focusing rin g | 4. A perture rin g 19. Film speed indicotor
10. Distonce scole I 5. Shoulder slro p hook 20. Rewinding knob with ro pid
I I . Automotic dio phro gm lever I 6. Synchro-switch lever rewind cronk
| 2. De pth-of -field -scole 17. Flqsh socket 2l . Pento prism finder cotch
13. Aperture/Distqnce index I 8, Accessory knob 22. Pento prism finder
www.orphancameras.comView original page 5Page 6 · Read text
23. High speed shutter diol 29. Film tronsport sprocket 35. Spring plote 24. High speed shutter index 30. Film toke-up spool screw-heod 36. Film pressure plote 25. .Rewind button 3l . Film toke-up spool serroted fionge 37. Film guide roller 26. Tri pod socket 32. Film to ke -u p s pool slit 38. Finder eye-piece 27. Lens locking lever 33. Film toke-up spool 39. Focol plone shuttercurtqin 28. Film cortrid ge shoft 34. Bock cover lock 40. Film guide roilView original page 6
Page 7 · Read text
INTRODUCTIONTO GUIDETO YOUR lized to ossure thot every comero, lens or other
Topcon products meets the exocting stondords EESEI.ER.TOPCONCAMERA of quolity ond workmonship thot hove become
Your BESEIER-IOPCON comerq ond its occes- ossociofed with the Topcon trodemork ond
sories ore the products of the Tokyo Opticol products of Tokyo Opticol Compony.
Compony, one of the lorgest combined optics
Your BESEIER-IOPCON comero corries o dou- operotions in Jopon.
ble guoronfee thot you hove purchosed the
For more thon o quorler of o cen?ury, Tokyo finest product your money con buy. Not only
Opticol Compony hqs ochieved world occlqim does it meet the rigid requirements of its
for fine lenses, binoculors, microscopes, com- world-renowned monufocturer before it leoves
porotors ond o wide ronge of other precision its Joponese homelond, but in oddition, if
opticol instruments. From its very inception, it is subiected to the most stringent inspection
hos pioneered in the field of optics, with o procedures by skilled foctory-troined techni-
vost reseorch loborotory devoted to constqnf cions ot the Chorles Beseler Compony before
improvement ond development in this exoct- it reoches your deoler. Your BESELER-IOPCON
ing science. .\ comero hos been designed for long, rugged
The Tokyo plont, equipped with the most mo- precision performonce. With proper core, it
dern equipment ond focilities, covers neorly o will give you o lifetime of pleosont service
holf million squore feet. The lotest testing ond ond become one of your mosf treosured
inspection techniques or.d opporotus ore ufi- possessions.
I www.orphancameras.comView original page 7Page 8 · Read text
GENERALDESCRIPTIONOF YOUR the mirror, which being set ot on ongle,
BEsE[ER.TOPCONCAI'IERA reflects the imoge up to the ground-gloss
screen. The mirror is ploced in such o posi-
The EESEIER-IOPCON comero which you tion os to intercept the imoge which would
hove iust chosen is o single lens reflex otherwise be proiected onto the film plone;
comero with q focol plone shutter ond tokes therefore, when the mirror is roised for the
24 mm X 36 mm size pictures on stondord shutter oction, the exqct imoge seen fully
35 mm block ond white or color films. on the ground-gloss screen is recorded on
the film. The single lens system requires no
One of the principol feotures of the single
extro occessories for interchongeoble lenses
lens reflex comero is through-the-lens viewing ond, therefore, is the ideol comero for those
ond f ocusing. No motter whot the f ocql who constontly chonge lenses. The BESEIER-
length of the lens used, or whether used IOPCON comero ond IOPCOR lens is o
with extension tubes or ottoched on the combinotion not to be surpossed by onyone,
microscope, the finol subiect is viewed through os the IOPCOR brond on the lens is the
the lens reflected directly on the ground- sign of the ultimote in lens design ond
gloss screen thereby eliminoting porollox. In workmonship, iust os the BESELER-IOPCON
the mirror reflex principle, the imoge of the brond denotes superlotive quolity in comero.
subiect is proiected by the comero lens onto Some of the f ostest lenses ore ovoilobleView original page 8Page 9 · Read text
for the flrst time without ony socrifice of SUI'IiAARY OF BESEI,ER-TOPCON
resolving power for more speed. All lenses
PICTURE-TAKING STEPS hove either outomotic diophrogm or preset
diophrogm oction f or speed photogrophy. l. Advonce the film winding lever (l) with
Lens mounting is o modifled boyonet mount- o single 180" stroke or severol quick
ing, combining quick-chcnge eose with screw- strokes until o f ull stop is mode. This
threod precision. This combinotion of the oction simultoneously odvonces the film
single lens reflex sysiem ond superior inter- ond the exposure counter, cocks the
chongeoble lenses is ougmented with hond- shutter, chorges the mirror roising mecho-
ling eose ond fool-proof operotion which, nism ond releoses the shutter locking
in coniunction with the full complement of device.
procticol occessories, mokes this comero
2. Set the shutter 3peed by lifting the high suitoble for every phose of serious photo-
speed shutter diol (23l. ond rototing it grophy.
until the desired number is opposite the
This monuol hos been compiled to exploin
high speed shutter index (24); then drop
in detoil the operoiion of the BESEIER-
into position.
IOPCON Comero ond ottempts, ot the some
time, to give you some of the finer points 3. Set the lens operture by pressing the
of photogrophic principles in order thot you operture ring lock (8) ond rototing the
moy more fully enioy your picture-toking operture ring (14) until the required
experience. operiure is opposiie the operture/distonce
6 www.orphancameras.comView original page 9Page 10 · Read text
index (13),' releose pressure ond it will TOADING FIIM
click into position.
The BESEI.ER-IOPCON comero is designed4. Push the outomotic diophrogm lever (ll)
of the stondord Auto-Topcor f /1.8 58mm to toke either o 35 mm film in doylight
lens oll the woy to open the lens to cortridge or dorkroom looding film pocked in
focusing position. cortridges, ond mokes 20 (or 36 exposures)
5. Holding the comei'o ot eye-level, focus oI 24 mm x 36 mm size pictures. Films should
the imoge on the ground-gloss screen not be looded or unlooded in direct sunlight
ondf or the split-image rongefinder, inde- or under strong ortificiol illuminotion.
pendently of eoch other or simultoneous- OPEN'NG CAMER,A t
ly, by turning the knurled distonce l. Hold the comero in the left hond with
focusing ring (9). the lens borrel down or remove the lens
6. When reody, press the shulter releose ond ploce comero with lens oPening
button (6). This oction stops down the focing down.
operture to the preset opening, roises 2. Pull up the bock cover lock (34) on the
the mirror, opens ond closes shutter, left side of the body which will gently
returns the mirror ond releoses the wind-
spring the bock cover open.
ing lever locking device.
7. lf no chonge is mode in operture ond LOADTNG FILM t
shulter speed, repeot steps l, 4, 5 ond 3. Pull up the rewinding knob (201 os for
6 for the next exposure. os it will go ond insert the film cortridgeView original page 10Page 11 · Read text
into the looding chomber with the film engoge the film perforotion on the screw-
slit focing the toke-up spool (331. Push heod (30) protruding neor the slit on the
the rewind ing knob bock into ploce ; if l o w e r e n d o f t h e t o k e - u p s p o o l . ( l f t h e
the film cortridge shoft slot (28) does slit is not visible, turn the spool by its
not engoge, turn the knob slightly until serroted lower edge (31) until the slit
it fits into the cortridge. oppeors.)
4. Drow ouf o short length of film from
the cortridge ond insert the end os CI.OS'NG CAMER.A:
deeply os possible into the film toke-up 5. Moke sure thot the film perforotions fully
spool slit (32l- ond, ot the some time, engoge the film tronsport sprocket teeth
Digitally signed by mike
butkus
cn=mike butkus, mike DN:o=orphancameras, ou=29,
email=mike@butkus.org, c=US
Date: 2017.11.03 15:43:16 butkus -04'00'
www.orphancameras.comView original page 11Page 12 · Read text
(291 ond then corefully close the comero. knob in the opposite direction of the
Lock firmly by pushing bock the bock orrow engroved on it, thus indicoting
cover lock (34). thot the film is odvoncing properly.
6. After the film hos been looded, it is 7. Push the film winding lever (l ) with the
best to moke it o stondord routine to right thumb os for os it will odvonce ond
slowly turn the rewinding knob (2Ol in then releose; the film hos been odvon-
the direction of the orrow in order to ced one frome ond the shutter hos been
give tension to the film inside the cocked. Press the releose button (6).
cortridge. When this is done eqch wind- Repeot the o bove operotion once more
ing of the film will rotote the rewinding ond the film will be in position for theView original page 12Page 13 · Read text
first exposure. sETTnrrGEXPOSURECOUNIER (21 :
Rotote the exposure counier index (3) by l\lote:
the two smoll studs until the pointer is o. Although o single l80o stroke on the
opposite "O". The next winding oction will film winding lever will odvonce the film
bring the first frome into position. The to its proper position, the some result
exposure counter index rototes clockwise con be obtoined by severol quick, short
while the numerol diol remoins stotionory ; strokes. However, in the lotter cose the
thus the number of exposures con be reodily oction must be continued until the lever
reod off ot o glonce. comes to o full stop.
b. When the thumb is releosed from the FTLM SPEED IND'CAIOR :
, lever, it will return to o position slightly The ftlm speed indicotor (19) is incorporoted
short of its originol position when corried on the rewinding knob os o reminder of the
in the leqther cose. This pre-stroke thumb ASA index number of the film being used. '
gop is ploced there to focilitote the next White numbers f rom 50 io 800 represent
winding oction. When the leother ever- blqck-ond-white films, while yellow numbers
reody cose is closed, the lever is eosily from l0 to 32 qre for color films ond the
pushed bock into its originol position. obbreviotion "EMP" stonds for "EMPTY". See
c. When looding film, olwoys keep the lens instruction sheet in the film pockoge for the
covered with lens cop or, if the lens is proper film speed (ASA index number) ond
detoched, cover lens opening with its cover. set the film speed indicotor occordingly.
t0 www.orphancameras.comView original page 13Page 14 · Read text
UNLOADING FILM After toking 20 or 36 exposures, qs the cose moy be, the fllm should not be odvonced o ny more for f eo r the film will teo r or pull out of the corrioge. Even should you |ry to odvonce the film, the wind ing lever will not odvonce eosily ond, thereupon, pressure should immediotely be releosed REW|NDING: To rewind, depress the rewind button (25l- in the bose of the comero qnd turn it coun- ter-clockwise until it stops to lock in ploce. Unfold the ropid rewind cronk on the rewind- i ng knob (20) ond turn in the direction of the orrow. Rewind ro pidly until there is no drog which is indicotion thot the film hos been completely rewound into the cortridge. UNI.OADING: Open the bock cover, pull up the rewind ingView original page 14
Page 15 · Read text
knob (20l. os for os it will go ond lift out REFTEXVIEWING the film cortridge corefully. After removing
the exposed film, reploce it in its originol One of the principol odvontoges of the
pocking for protection. BESEIER-IOPCONsystem of photogrophy is the
single lens reflex viewing ond focusing system.
No motter which finder is used-the split-imoge
or the ground-gloss-the subiect is viewed
directly through the lens ond, fherefore, the
porollox problem (common with comeros
hoving different locotions for the finder window
ond comero lens) is entirely eliminoted.
PENTAPR'S'}I F'NDER 3
In the BESEIER-IOPCON mirror reflex system
the imoge is proiected onto the mirror upside
down o nd reversed from lef t to right. When
this is reflected up to the ground-gloss, ond
seen through the condenser lens, the imoge
is seen right side up but still reversed left to
right. The pento prism finder (221 on the
comero is o five-sided prism which shows on
t2 www.orphancameras.comView original page 15Page 16 · Read text
imo ge in the eye-piece which is both right
side up ond loterolly correct, ond of the some
fime, enlorged to life-size when viewed
through the stondord Auto-Topcor f-58 mm lens.
The odvontoges of the pento prism finder ore
thot it gives :
l. A right-side-up loterolly correct imoge ;
po rticulorly voluo ble for moving subiects.
2. An eye-level focusing ond viewing system;
especiolly suited for verticol pictures.
3. Brilliont, life-size imoge, voluoble when cotch (21l. ond slide it out towords the bock
keeping one eye on the finder ond one
covgr.
on the subiect.
To insert finder, slide it in corefully from the
fO REMOVE FIIIDER: bock cover side until it snops into position.
The pentoprism finder is exchongeoble with No force is required.
o woist-level finder (similor in use to the
reflex hood of the twin-lens reflex co mero). WATST-LEVEL FITIIDER:
To remove finder, toke o flrm grip on the As noted obove, the imoge proiected onto
finder in the comero, depress the finder the ground-gloss screen is right side up but
t3View original page 16Page 17 · Read text
reversed f rom left to right. When viewed
through the woist-level finder, (supplied os on
occessory) this is the imoge os seen by the
eye. Since the imoge is not loterolly correct,
this finder is not suitoble for oction shots in
which the subiect is constontly moving. How-
ever, it is convenient for overheod or for low
ongle shots which ore owkwo rd with the
pentoprism finder.
The BESEI.ER-IOPCON woist-level finder is o
four-sided hood with o spring-opening cover
ond incorporotes on integrol mognifier. The
- moin odvontoge of the woist-level finder is the cover open, exposing the ground-
for those shots which coll for criticol study of gloss screen on which the imoge is
the subiect for interest ond composition, ond viewed os o brilliont ond enlorged subiect
it is especiolly voluoble for criticol focusing iquivolent to the finol picture size. To
ot close ronge (with the use of the built-in close the hood, push down the coyer until
m o gnifier). it snops into ploce.
o. Reflex Hood : Press the releose button b. Mognlfier: For greoter mognificotion
ot the reor of the finder which will spring or when more criticol focusing is required,
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such os for close-up work, pull up the
reor end of the mognifier which will
insiontly snop open. A greoter port of Pentaprism
the imoge seen in the ground-gloss screen
Eye-piece
is enlorged 8X by the mognifier. To close,
reverse the qbove oction.
FOCUS|NG VtEWEn SYSTE t| 3
Condenser I#
The viewing system of the BESEIER-IOPCON Split-image
is qlso the focusing system of the comero. Kangefinder
Focusing is occomplished by two methods; Groundglass
one by meons of the ground-gloss screen
ond the other by using lhe split-imoge
rongefinder incorporoted in the center of the
ground-gloss screen.
o. Ground-gloss Screen: One side of
the gloss of the ground-gloss screen hos
-------rrJ MirrOi- Fitmplane been purposely roughened by obrosion to ffiCamera lens
moke it tronslucent ; thot is, the imoge is
orrested to permit observotion by the
l 5View original page 18Page 19 · Read text
photogropher. In the BESEIER-IOPCON
comero, o condenser is instolled in od- PRINCIPLEOF THE SPLITIMAGE
dition to the ground-gloss focusing screen RANGEFINDER
to greotly enlorge ond moke brilliont the
imoge intercepted on the screen. This
mognifier greotly helps the uninitioted
into the ground-gloss focusing method.
When in doubi, odiust f he focus, fore
ond oft, until the imoge oppeors ot its
greotest shorpness for the principol obiect.
b. Spllt-lmcae Rongeflnder: The ronge-
finder element ot the center of the
ground-gloss screen consists of two odio-
cent semi-circulor wedge-shoped prisms
which split the imoge. When the imoge is
out of focus, the two portions ore sepo-
roted loterolly ; when the imoge is in shorp
focus, the two semi-circleswill be correctly
motched ond fhe imoge will be seen os Oui of focus In shorp focus
one unbroken whole. The moin odvontoges
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of the split-imoge rqngefinder ore mo(e tENS
positive cloriflcotion of imoge, eosy focus-
The stondord lens of the BESETER-IOPCON
ing under difficult conditions ond o meons
comero is on interchongeoble AUIO-IOPCOR
for obtoining lhe correct distonce prior
6 - element Gouss type lens with o moximum
to snop-shooting. However, focusing must speed of t/1.8 ond focol length of 58 mm.
be corried out ot o reosonobly wide It hos o built-in outomqtic diophrogm to
operture ond presents some difficulty focilifote focusing under oll conditions. For
ot opertures smoller thon f/5.6 or when eosier reoding of the scole, the lens borrel
focusing with wide-ongle ond telephoto ofiers q block enomel bockground with
lenses due to one of the semi-circles yellow numerols for feet ond white numerols
becoming dork moking it difficult to for meters.
obtoin correct olignment. This moy olso FOCU5TNGrri rrrus t
hoppen when the comero is not held Since the lens proper is the viewing-focusing
in level position when focusing by this system of the single lens reflex comero, oll
method. However, this system is much focusing odiustments ore mode directly on
eosier to f ocus under difficult lighting the lens itself. To obtoin shorpness of the
condition thon the ground-gloss system imoge on the ground-gloss screen or in the
becouse of the effect of the condenser; split-imoge rongefinder, the knurled distonce
which brightens the imoge in the ronge- focusing ring (9), is turned fore qnd qft until
f,nder to o higher degree. the imoge becomes shorp. The lens-to-subiect
t7View original page 20Page 21 · Read text
distonce con then be reod off on the insteod of the outomotic diophrogm found
distonce scole (10) immediotely behind the on oll AUIO-IOPCOR lenses, the knurled
f ocusing ring, ogoinst the single red-line distonce f ocusing ring is positioned in the
index mork (l 3) which is locoted on the middle of the lens borrel ond the sqme
depth-of-field scole behind the "1.8" figure red-line index mork on the depth-of 'field
qnd which is olso used tor the operture scole is used.
index mork. Focusing is from infinity to 1.6 ft.
(0.5 meter). tE fs oPENft\tG:
The light imoge thqt enfers the lens is con-
TVOTE:
trolled by the diophrogm to produce o
In the R. fOPCOR interchongeoble lenses,
groduoted series of lens openings colled
which ore equipped with preset diophrogm
opertures or stops. In the AUIO-IOPCOR
stondord lens, the following opertures ore
obtoinoble ond ore reod off on the operture
ring (l 4) ot the reqrmost end of the lens
ogoinst the red-line index mqrk on the
depth-of-field scole mentioned previously.
Aperture 1.8 l2l 2.8 4 5.6 I ll (16l. 22
tT.T:'" 1/s 1/4 r/2 r 2 4 8 15 30
Auto-Topcorf/t.e Se mm From the obove, it will be noted thot eoch
t8 {fi#www.orphancameras.comView original page 21Page 22 · Read text
operture ond vice verso. In other words,
selection of proper o perture is d irectly
dependent on the correct exposure required
f or o ny given shutter speed o nd f or the
required depth-of-field.
The lens opening of the AUTO-IOPCOR lens
is odiusted by pressingthe operture ring lock
(8) o nd rototing the o perture ring in the
proper d irection until the required o perture
is opposite the red-line index mork. Releosing
pressure on the operture ring lock brings
the ring to o "click" stop.
smoller o perlure (higher figures) t.quires IENS DTAPHR.AGM SYSIEM :
double the exposure of the previous o perture It hos been previously stoted thot the
ond thot stopping down the lens opening operture controls the omount of Iight possing
will require o corresponding increose in the through the lens to the film surfoce. Since
time the shutter r emqins open, if light condi- viewing ond focusing ccln best be done ot
tions remoin unchonged. For exomple, if the moximum operture whereos octuol exposure
shutter speed ot t I 8 is 1I 60 seconds, it will moy coll for stopped down operture setting,
require 1 l3O seconds open time f or t I | | some device must be built into the lens itself
t9
ri
Iii[,View original page 22Page 24 · Read text
ring (14) without ony difference in the b. Preset Dlophrqgm
result. The first operotion will open the All R. IOPCOR lenses hove preset dio-
operture to its moximum opening ond ph ro g m mecho nism, consisting of the
octuote the spring mechonismwhile the operture index mork (A) (white diomond)
second operotionr by itself, will not close o perture scole ring (B) ond knurled preset
down the operture. Only the pressure on diophrogm collor (C), in the order lrteh-
the extended shutter releose or the tioned storting f rom the f ront end of the
outomotic diophrogm releose con stop lens bo rrel. The o perture scqle ring ond
down the operture to its preselected knurled preset d io phrogm collor moy be
opening. moved interlocked together or the lotter
2. In order to focus the next frqme of wide moy be moved independently of the
operture, the outomotic diophrogm lever
must be cocked ogoin. In this cose, it is
not necessoryto touch the operture ring
if no chonge in operture is required.
3. lf, ofter cockingthe outomotic diophrogm
lever, o chonge is required in the
operture, the desired chonge moy be
mode by simply re-setting the o perture
ring.
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