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Graphic Graflex Photo Accessories / Supplement User manual
User manual for Graphic Graflex Photo Accessories / Supplement. 16 pages in English. Read the original PDF, download or print a copy without registration.
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- Brand
- Graflex
- Model / document
- Graphic Graflex Photo Accessories / Supplement
- Document type
- User manual
- Language
- English
- Pages
- 16
- File size
- 6.5 MB
- Category
- Camera accessories
- Document date
- Not specified in catalog
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Page 1 · Read text
www.butkus.us
lhw Equipnent Supplenent to the
lOth Edition
ORAP]|IC GRAFLEX PI|OTOGRAP]|Y
WILLARD D. MORGAN & HENRY M. LESTER
New Grophic Rongefinder, Opticol Viewfinder ond Flexible Frome Finder on
Pocemoker 45 Speed Grophic Comero.
YorkMorgon & Lester Publishers NewView original page 1Page 2 · Read text
Contents
l. Pocemqker 45 Speed qnd Crown Grophics-New Equipment:
Graphic Rangefinder . . aJ
Built-in Rangelite in Graphic Rangefinder 5
Parallax-Correcting Optical Viewfinder with Graphic Rangefinder 5
New Flexible Open-Frame Finder . . . 6
2. Grcphic 35-New Cqmerq-New Feqlures:
Push-Button Focusing . . 7
Spectramatic Flash 8
Graphic 35 Controls and Operation 9
3. Stereo Grophic-New 3-D Cqmerq-New Feqlures:
Depthmaster Autofocus . . 10
Exposure Dial . 10
Stereo Graphic Controls and Operation . t2
Stereo Graphic Viewer t2
4. Sfrobofqsh Units-Porfqble Elecfronic Flash:
Specifications of Stroboflash Units 14
5. Telefqsh Unit:
' Slave Unit for Flashlamps . . . 15
lntroduction
The Graflex line of quality photographic beginner, yet versatile enough for many
equipment has been greatly expanded in professional purposes. This camera in-
recent months by the addition of three corporates the new "Fush-Bul'on" Focusing
new cameras and a variety of flashlighting system for ease and speed of operation,
units, both electronic and chemical. and Spectramatic scale setting for easy
For the professional and the ad- eolor flash photograptry. The Stereo
vanced amateur, the well-known Pace- 3raphic is a 35mm camera designed for
maker Graphics "45" have been improved 3-dimensional photography and features
by the addition of several new and valu- Depthmaster Autofocus, which does away
able features. One of the most valuable with any need for the usual focusing opera-
is the new Graphic Rangefinder, which tion before the picture can be made.
may be coupled to nine different lenses by Three new Graflex-made Strahoflash
the simple process of changing a small units are now offered, providing a variety
cam. This rangefinder also features a built- of power outputs for various purposes,
in Rangelite for focusing in dark places or both amateur and professional. One of
at night, a magnifying eyepiece for easy these units will provide electronic flash for
focusing under all conditions, and a p,aral- the needs of nearly any photographer.
Iax-correcting optical viewfinder. With For those photographers who do a good
this new rangefinder, the larger press cam- deal of multiflash work witla chenrrical
era takes on a versatility and ease of opera- flashlamps, the Teleflash "slave" u,nit elim-
tion at least equal to that of many minia- inates any need for a complicated array of
ture cameras. nterconnecting cables, battery boxes and
Two new miniature cameras have also other accessory equipment. Each unit is
been added to the Graflex line. The photoelectrically operated; all are tripped
Graphic 35 is a precision miniature camera simultaneously by the light of the flashgun
using 35mm film, slmple enough for the on the camera.
2\ Copyrighr 1955 Morgon & tertcr.-View original page 2Page 3 · Read text
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PACEMAKER 45 SPEED AND CROWN
GRAPHTC CAMERAS - NEW EOUIPMENT
The Speed Graphic and its companion,
the Crown Graphic, have come to be the
recognized badge of the professional as
well as the press photographer. In addition,
they are standard equipment with the
armed forces, where ruggedness and de-
pendability are essential. The advanced l. Bock view of Grophic Rongefinder showing:amateur, naturally, has long recognized (right) Opticol Viewfinder; (cenler) Rongescope
that the features which make these cameras mognifier; (lefi) Rongelite switch.
valuable to the professional mean long,trouble-free service and convenience for of balls through the tube. At the upper
his own purposes as well. end of the tube, the last ball pushes an-
other plunger, activating the cam, which in
GRAPHIC RANGEFINDER turn operates the rangefinder mirror. Thus
To the basic camera has now been the tube filled with small steel balls takes
added the new Graphic Rangefinder, de- the place of a complicated mechanical
signed especially for the Graphics and in- linkage which has always been thought
cluding features found most desirable by necessary previously; the simplicity of the
users of these cameras. The external hous- new system, containing no levers or con-
ing of the new rangefinder is made of nections to get out of order, adds a new
nylon, which is resistant to impact and degree of reliability to the rangefinder.
temperature variations; its internal parts Cams can be changed quickly and easily,
are ruggedly made, and the whole unit is without any tools, as shown in the ac-
designed for hard usage. It is mounted into companying photographs (Figs. 2 to 6).
and on top of the camera for greater To install a cam, first rack out the lens
convenience in use. track about I inch past the front of the
The principal feature of the new range- camera bed. Next, pull down the hinged
finder is that it is instantly adaptable to cover under the top of the camera body
any of 9 standard lenses of difterent focal and hold it down with the left hand. Note
lengths. This is accomplished simply by the slot in the tube under the hinged door;
changing a small cam at the time the lens
is being changed.
Each interchangeable cam is matched
at the factory to the lens with which it
will be used, and is designed to operate the
rangefinder throughout the range of work-
ing distances for which the lens is intended.
The cams are small, odd-shaped metal
plates that fit in a receptacle at the top of
the camera; they serve to operate the
rangefinder mirror by means of an arm
which extends through the top of the
camera. The motion of the lens track of
the camera is transmitted to the cam 2. Hinged cover of Grophic Rongefinder, under
through a row of small steel balls encased the top of Speed Grophic Comero. Cover is
in a tube; a small plunger enters the tube pulled down lo insert lhe coms thot couple lhe
at the bed end and pushes the entire row inlerchongcoblc lenrcr to the rongefindcr.View original page 3Page 4 · Read text
each cam. lens and viewfinder mask is
coded with colored dots so that all ac-
cessories for any one lens can easily be
located. In any case, it is wise to put the
cam on the back of the lens board, under
its clip. as soon as the board and its as-
sociated lens are removed from the cam-
era. It is also well to make a record of
the numbers on each cam so that replace-
ments can be ordered if one should ac-
cidentally be lost.
www.butkus.us Cams are available for lenses of the
3. Hinged cover is held open os rongefinder following focal lengths: 90mm, l00mm,
com is held reody lo be ploced in the slotted l27mm, l35mm, 152mm, l62mm, 203mm,
tube. Eoch lens hos ils own com. 2-50mm, and 380mm. However, since there
are minor variations in focal length even
if this slot is not clear, hold the camera among lenses of the same nominal focus,
with the handle down and tap the body
lightly, until the plunger drops into the
tube, clearing a space for the cam.
The cam is a small, irregularly shaped
piece of metal with numbers engraved on
one side. and a hole toward the large end.
Take the cam between the thumb and
forefinger. hold it with the numbered side
trp trnd insert the smaller end into the slot
and under the engaging lever to the left.
Push the cam all the way to the left and
drop the larger end into the slot. This is
all done in one motion. in a matter of a
second or so. 5. Smoller end of com is pushed to ihe left ond
under the engoging lever on the left.
each cam mLrst be individually fitted to the
lens with whrch it will be used. This fitting
must be done at a Graflex Service Sales
Department, and the lens must be sent in
for matching. However, as previously men-
4. Smoller end of com is dropped into slotled
tube first. Com is inserled wirh the numbered
side up, locing top of comero.
'Ihe cam for each lens is stored. when
not in use, under a clip at the back of the
lens board; thus each lens has its associ- 6. Pencil points to com inserled in slol ond in
ated cam instantly available. To aid in posilion lo couple the lens to the rongefinder.
rapid identification of the various cams. Finol step is lo releose hinged cover.
4View original page 4Page 6 · Read text
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9. GRAPHIC 35 Comero uses stqndord 35mm film corlridges. The comero hos lwo new qnd
unusuol feolures: Push-Bullon Focusing, o simple melhod of focusing by finger pressure; ond
Speclromolic Flosh Serlings, on €osy system for correcl color flosh exPosure by motching color
bonds. Also o coupled rongefinder, double-exposure prevenfion, oulomotic exposure counler.
rangefinder housing, and coupled to the sliding aperture with click-stops for paral-
rangefinder mechanism, in such a way lax correction. Thus as the subject moves
that as focusing is carried out a parallax to or from the camera, correction may be
correction is automatically made. made by sliding the sight up or down a
The fields of the various lenses are out- notch at a time.
lined by slip-in masks which are available When not in use, the front frame tele-
for all lenses except the wide-angle. For scopes into the camera front standard. The
the wide-angle lens, an attachment lens rear peepsight folds into a small niche in
element is supplied for the front of the the back of the camera; it is important to
viewfinder, and no mask is required. be sure that the adjustable aperture slide
is pushed all the way down before fold-
FTEXIBTE OPEN.FRAME FINDER ing the rear sight into storage position. A new type of open-frame finder on the
Pacemaker 45 Graphics is now being fea-
tured. This is made of flexible stainless
steel and is designed to yield under impact,
without being permanently deformed; it
springs back into shape upon release, and GRAPHIC 35 CAMERA
maintains its assigned position under nearly The Graphic 35 is a new miniature
any condition of rough use. The rear peep- camera using all standard 35mm cartridges
sight used with this finder frame is also of both black-and-white and color films.
rnade of chromed spring steel; it has a It has two unusual features, not previously
6View original page 6Page 7 · Read text
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found in any other camera regardless of
size.
The fust of these features is Push-Button
Focusing, by rneans of which the lens is
moved in or out in its mount through
fingertip pressure on one of two small
push-buttons conveniently placed on the
front of the camera. The secsnd feature is
Spectramatic Flash, which provides cor-
rect color flash exposure settings sirnply
by matching two color bands, without cal-
culation or mathematics of any kind. Other
important features are:
l. Coupled split-image rangefinder.
2. Visi-Ready Footage Scale.
3. Double-exposure Prevention. ll. The Grophic 35 Comero is focused by finger'
4. 50rnm Graflar f/3.5 or f/2.8 lens. lip pressure on eilher of the two smoll push'
second 5. Depth of field scale. buttons under lhe index fingers. The on stoys convenienlly right hond finger of the l/lOO, speeds l/50, of l/300, 6. Shutter exposure. reody releose, to moke shuller the V2 and I second, l/5, l/25, l/10,
as well as "Bulb." The shutter also
has a built-in self-timer. easily grasped, and all controls are grouped
7. Bui,lt-in contacts for electronic flash for quick, simple operation. and Class M flashlamps. All standard 20 or 36-exPosure film
8. Accessory clip with contacts for loads can be used in the camera, producing
mounting flash unit without connect- the standard sized lxlVz-inch pictures;
ing wires. This connection operates color transparencies made with the Graphic
either the Graflash P-L or B-C units. 35 can be mounted for projection in stand-
Other flash units, and all electronic ard 35mm slide mounts or 2x2 inch glasses.
flash outfits, can be used with con- The automatic film counter is preset
necting cords. manually for the number of exposures on
indicates how many pictures The Graphic 35 has a die-cast metal the roll; itbody with corrosion-proof satin chrome are left on the roll at any time.
finish, and an attractive, scuff-proof gray GRAPHIC 35 PUSH.BUITON FOCUSING
covering. The engine-turned knobs are For maximum speed of operation, the
35mm camera has always been preferred.
Digitally signed by Mike Butkus The Graphic 35, with the new Push-Button
DN: cn=Mike Butkus, o, ou=Butkus.org, email=mike@butkus.org, Focusing system, increases the "top speed" c=US Mike Butkus Date: 2025.01.06 16:01:32 -05'00' of operation still further-in fact, after a
few shots, it will be found that the camera
can be operated almost as fast as the
operator can think.
Focusing is done by a light pressure of
the fingertip on one of two push-buttons
that flank the lens barrel just under the
rangefinder windows. With the camera held
comfortably for shooting, the index fingers
fall comfortably on the push-buttons, while
the third finger of the right hand finds it-
self directly over the shutter release lever,
ready to shoot as soon as focus is 10. All conlrols on lhe Grophic 35 Comero ore necessary to look for conveniently grouped for eosy operotion with achieved. It is never
the comero ot eye level, or they con oll be seen the controls; they are always undgr the
ol o glonce, from the top of fhe comero. fingers when the camera is correctly held.View original page 7Page 9 · Read text
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the shutter snaps. "X"-type flash synchroni-
zation is produced at this setting. When
should Spqlro6otia the camera self-timer is used the
slfintr Oiophcoeo , Bslr preferably a tripod, be on a firm support,
Stnako Viiiin.odt such as the Graphic Jr. TriPod.
Fodoe. ko{. The Graphic 35 has red-dot settings for
Koda-
Itdd Dontttkchd outdoor color photography with chrome Film Daylight Type and Ansco
Color film. ln bright sunlight, no exposure
meter is necessary-the photographer
T simply sets the diaphragm lever to the red dot between f./5.6 and f/8, and the shutter
tlolh) R.rindi.r! to the red l/50-second setting. This is the Unil correct sunlight exposure for the films (lip (ob mentioned. With the new, fast color films
12. Externql working porls of the Grophic 35 such as Anscochrome and Ektachrome
Comero. Note thst oll conlrols ore conveniently E-135, leave the shutter on the red l/50
grouped so thol settings con be seen in o single and move the diaphragm pointer to f"/ll.
glonce, ond exposures mode eosily. A depth ol field scale along the outer
edge of the Visi-Ready Footage Scale Then note which color band the Visi- Ready footage indicator points to, and set shows, for any lens aperture and distance focused on, the distance before and beyond the lens diaphragm pointer to the same
color. Thus if your subject happens to be the point of focus within which the image will still be acceptably sharp. 5 feet away, the Visi-Ready Indicator will
point to a yellow band. Then you simply The camera can be used in a vertical set the lens diaphragm pointer on the yel- position just as easily as the horizontal and low marker; this is equal to f/8, which one. All hand positions for focusing
would be the proper setting for an average tripping the shutter remain the same. For
range- picture in an average room. Very dark vertical pictures the image in the rooms will require somewhat more expo- finder will be split vertically, and it will
sure-very light ones, somewhat less. The be found easier to focus when some hori-
a color bands allow some tolerance for cor- zontal line in the subject is used as
rection for such subject variations; simply reference point.
use the edge of the band, rather than the Accessories for the Graphic 35 include
center, when setting the diaphragm pointer a carrying case, the Graphic Speed Tripod,
under such circumstances. Filter Kit, a Lens-shade Filter Holder, Graflash or Graflite Jr. flash units, and
GRAPHIC 35 CONTROTS AND OPERAflON the Stroboflash Electronic Flash Units.
Instructions for loading and unloading The Graphic 35 carrying case is made of
che camera, and making ordinary types of top grain cowhide and has a removable
pictures, are found in the instruction book front and adjustable neck strap. The
supplied with each camera. Certain inter- camera can be both carried and used con-
esting features deserve further discussion veniently in the case, which affords it a
here. constant protection. With the front of the
For those who like to get into their own case either dropped or removed, a Graflash
shots, the Graphic 35 has a built-in self- unit can be attached to the accessory clip
timer. The self-timer setting will be found on top of the camera. Thus flash pictures
next to the flash settings on the side of can be made while the camera is carried in
the lens barrel; it consists of a "V" and a the ever-ready case.
green dot. This setting causes a delay of, The camera is removed from the carry-
t0 seconds between the time the shutter re- ing case when used with any of the Strobo-
lease is pressed and the time the exposure ffash electronic flash units. Figure l4 shows
is actually made, thus giving the photog- the Graphic 35 used with the smallest of
rapher time to get into the picture before the Stroboflash outfits-the Stroboflash LView original page 9Page 10 · Read text
13. STEREO GRAPHIC Comero ossures excellenl slereo resulls without focusing or chonging
shuller speeds. A single conlrol, the Exposure Diol, is set to give correct exposure for locol
lighting condilions; Deplhmosler Autofocus gives rhorpness lhroughoul piclure.
The camera and lightweight lamp head are DEPTHMASTER AUTOFOCUS
mounted conveniently together on a mount- The lens system in the Stereo Graphic
ing bracket, and the power pack is carried is called Depthmaster Autofocus, and con-
over the shoulder on its own built-in sists of a unique setting of the two lenses
shoulder strap. that provides sharp focus throughout the
The Craflex Speed Tripod is well suited entire scene without any adjustment on the
for use with the Graphic 35. It weighs only part of the operator. The lenses are so
472 pounds, complete with Pan-Tilt Elead, positioned that one lens produces sharpest
and has a lateral adjustment for leveling detail through the entire foreground range
the camera. It opens to 67 inches, closes to in one picture, while the other lens pro-
28 inches, and has a double extension cen- duces equally sharp detail in the middle
ter post for quick height adjustment. distance and background of the other pic-
ture of the stereo pair. Thus when the pic-
tures are viewed in a stereo viewer, the
scene appears sharp from foreground to
infinity. Matched 35mm Graflar lenses
are used; they are, of course, anti-reflection-
STEREO GRAPHIC CAMERA coated.
The new Stereo Graphic camera has
raised 3-dimensional picture taking to a STEREO GRAPHIC EXPOSURE DIAI
new level of simplicity. lt has only a single The exposure dial of the camera is set
adjustment to be set by the photographer between the two lenses and is operated by
simple choice of aperture for the cor- a knob directly belor,r,. There is a series of-arect exposure is all that is required. No click-stops marked with both f-stops and
focusing or change of shutter speed is light conditions, thr-rs: Brilliant I l, Bright
needed at all-for any picture taking, in- 8, Hazy -5.6, Cloudy 4. An additional f/16
doors or out. Thus the veriest tyro can stop is provided, but not marked with a
secure excellent stereo pictures from the light value. When using Kodachrome Film,
very first roll of color film. Daylight Type, or Ansco Color Film, Day-
l0View original page 10Page 11 · Read text
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Dlvucnr ExposunB T.l,sr,B non SrnnEo Gnepnrc
For Stereo Graphic Shutter Set at I
Daylight Color Film Kodachrome TyPe A
with No. 85 Filter
Kodachrome Ektachrome Kodachrome TyPe F
Ansco Color Anscochrome with No. 85C Filter
Beach, water and snow scenes Brilliant Brilliant
in bright sun t/ r1, f./ 16 t/Lt
Nearby subjects of average Bright Brilliant Bright
color, sunny, clear sky t/8 t /Lr f/R
Hazy, light clouds, transparent Hazy Bright HazY
stradows, with no sharply de- t/s.6 f/8 f./s.6
fined edges
Cloudy sky, overcast, no Cloudy Hazy Cloudy
shadow** f/4 f./s.6 f/4
Open shade.** Subject in open Cloudy Hazy Cloudy
with ample light from sky over- t/4 t/ s.6 f/4
head, but not in direct sunlight.
**Note that pictures taken under these conditions may have an excessive bluish cast. Picture
taking is notiecommended under these conditions because of difficulty of-judgin-g light values.
Try one exposure at indicated setting, and if possible, one with the next larger lens openlng.
light Type, it is simply necessary to set Synchronization is correct for all Type
the dial to the prevailing light condition M flashlamps, which includes the No. 5,
and take the picture. With other films, the 25, 59 and 25B.
used numbers in aperturelens can be with exposure correct secure the To the remembering normal way, thatthe measure simply lamps, the above any ofshutter speed of the camera is fixed at or estimate the distance from flashlampapproximately 1/50 second. An exposure to subject, and consult the table below. Inmeter may be used if desired, or the expo- this table, find the number for the filmsure table below can be referred to for being used and the approximate distancethere are no connecting cords or plugs re- settings for average subjects with the filmsquired. Ilowever, a connecting cord is listed.available for off-camera, sidelight efiects.
In addition, a Graflite Extension Flash It is important to remember in this con-
can be used for two-flash shots, with either nection, never to set the lens aperture
the Graflite Jr. or Graflash B-C unit. between lens stops.
Fresn ExposunB Tesle FoR,STEREo Gnepnrc
7 -ro ft. 10-14 ft. t5-22 ft.
Kodachrome (daylight with blue bulbs) 5.6 4
Kodachrome (indoor type A or type F with clear bulbs) It 8 5.6
8 5.6 4
Ektachrome (indoor type F with cle3r bulbs) r6 11
5.6 A
Ansco Color Film (indoor with clear bulbs) 5.6
Anscochrome (daylight with blue bulbs) 8 5.6 4
Anscochrome (indoor with clear bulbs) t6
*The correct diaphragm setting for flash pictures depends upon the distance'between the flash bulb and the subiect. These flash settings are for No. 5 or No. 25 flash bulbs (clear or blue as indicated)
used with the Stereo Graphic and with the shutrer selector set at "I."
Notq: Do not set the exposure dial between stops.
11View original page 11Page 12 · Read text
r.rt::'*-:)-
14. GRAPHIC 35 Comero with STROBOFLASH I elecironic flosh outfit. The Grophic 35 ond the
lomp heod ore mounfed together on one brocket. A Koiled Kord connecls power pock to lomp
heod qnd the entire unit is synchronized wilh fhe shutler through lhe comero occessory clip.
STEREO GRAPHIC CONTROTS the camera and is ready for use at once;
AND OPERATION from lamp to subject. This number is the
The shutter of the Stereo Graphic is exposure dial setting. For example, if you
coupled to the film-winding mechanism are using Ektachrome Film, Daylight Type,
and is automatically cocked as the film is with a No. 258 flashlamp, and the subject
advanced. Thus double exposures are pre- is l0 feet from the flash, the table gives
vented, and the only thing necessary after the exposure dial setting as 8; just set the
taking a picture is to wind the film for the dial to 8 and take the picture.
next one. The shutter also has contacts Standard color film cartridges can be
built in for flash synchronization. used in the Stereo Graphic. Regular 36-
Any of the three Graflash units can be exposure cartridges will make 29 stereo
mounted in the accessory clip on top of pairs, and 20-exposure cartridges will make
l6 stereo pairs. The finished transparencies
can be mounted in double mounts for
viewing by the user. or they will be
mounted by the processing laboratory if
so reqr.rested when the film is sent for de-
vcloping.
STEREO GRAPHIC VIEWER
The viewer made as a companion piece
of equipment to the Stereo Graphic is a
convenient hand-held unit with built-in
light source and battery case. It has ground
glass diffusion screens for uniform illu-
mination over both pictures of the stereo I5. Stereo Grophic Viewer hos built-in light, pair. Dual focusing knobs are provided so focusing odiustment ond lens seporotion odiust-
meni for individuql eyesight. A detochoble bot- that thc viewer can be focuscd with cithcr
tery cose con be removed ond the unit used with hand, and the separation between lenses
ovoiloble light. can also he adjrrsted for the user's comfort.
t2View original page 12Page 13 · Read text
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Slides are dropped into a slot on top of tively Stroboflash I, Stroboflastr II, and
the viewer, and a pushbutton underneath Stroboflash III. The lightest and most com-
the viewer lights the lamp. pact is the 50-watt-second Stroboflash I.
If batteries are temporarily unavailable, Next in size is the Stroboflash II, a general-
the viewer can be used with any light purpose unit of 100 watt-seconds rating.
source. It is simply necessary to remove And the most powerful, but still easily
the battery case and point the viewer portable, unit is the Stroboflash III, which
toward a light; the ground glass screens has a power output of 200 watt-seconds.
will diffuse most external lights sufficiently While no single one of these units can
for comfortable viewing. be claimed to serve every possible need,
the flexibility of the Stroboflash system
permits a great variety of combinations
of the three units, since the lamps, power
packs and accessories are readily inter-
changeable. Thus the various components
can be used in a variety of combinations
for multiple flash shots, either directly
STROBOFTASH "slave" or by photoelectric UNITS - PORTABTE interconnected,EIECTRONIC FTASH units, operation. In selecting one or more
The well-known Stroboflash series of therefore, the photographer should be
electronic flashlighting units is now made guided by his specific needs, either for
by Graflex; from this group of units, al- portability and low-cost operation, or for
most any photographer will find one that high light output, or a combination of both
will serve his needs. All are adaptable to factors.
any Graphic or Graffex camera. All Stroboflash units utilize identical
Three different units are supplied for lamp heads, and all have the flexible Koiled
various light output requirements. All are Kord connection from lamp head to power
battery-operated and are labeled respec- pack. The lamp head and power units
are carried in flexible-but tough-Royal-
ite cases that are resistant to temperature,
moisture and shock, thus enabling the
units to stand rugged use and hard knocks.
The Stroboflash units use electronic
(triggertube) tripping, and can be con-
nected to any type of camera shutter
without danger of burning the contacts.
In addition, there is no possibility of for-
getting to turn off the unit after use; the
power packs become inoperative as soon
as the lamp heads are disconnected. Cur-
rent drain when idling is negligible; total
leakage current in an hour is no more than
that consumed in a single flash.
Because of these features battery life
is considerably prolonged, and cost per
www.butkus.us flash is correspondingly low. A further
economy can be achieved by the use of
the AC line-operated Battery Booster.
available as an accessory; if this is used
consistently, the life of a set of batteries
can be nearly doubled. The Stroboflash I
power pack uses 240-volt batteries; the
16. Slroboflosh !1, lomp heod mounled on Grof- Stroboflash II and III units use 225-volt
lite bottery cose, Speed Grophic Comero. batteries.
13View original page 13Page 14 · Read text
which lamp heads can be mounted either
on the camera or any convenbnt obioct.
There is also available a phototube for
converting the units to "slave" operation;
a battery analyzer; "snoots" for light con-
trol; and extra lamp heads and other con-
venient items.
As a starting point for estimating the
exposure required, the guide number
table below is offered for use with the
Stroboflash units. It must be kept in mind'
however, that some variation may be neces-
sary to suit individual needs, methods of
working and density of negative desired.
The numbers should be used as a starting
point from which the photographer can
determine guide numbers, either higher or
lower. which best suit his needs. These
numbers are based on the latest informa-
tion from the manufacturer at the date of
publication.
17. STROBOFIASH ll, o generol-purpose, port- SPECIFICATIONS OF SIROBOFTASH UNIIS
oble electronic flosh outfit of 100 wotl-seconds. To assist in choosing the unit most de-Flosh durotion opproximofely I / 1000 second. sirable for a given photographer's needs
Accessories for use with any of the and methods of working, the following in-
units include a variety of brackets, formation gives the pertinent data on the
adapters, clamps and extension cords by three units:
Tlnre or GuDe NurasEns ron SrnonoFLAsH MooBrs I, II lNo III
STROBOFLASH
IIIilI
Coron Fnus
Kodachrome Film, Daylight Type 28-30 35-40 56-70
Ansco Color Film, Daylight Type 28-30 35-40 s6-70
Ektachrome E-135 and new fast roll film, daylight 45-55 70-80 100-115
Anscochrome, Daylight Type 45-55 70-80 100-115
Bucx AND WHrrE
Fast Pan Films* 140-200 220-320 350-450
.Guide numbers vary with film type and processing techniques. To get negatives of normal contrast,
about 50 per cent longer development than usual is recommended. This is not force-developed, but
is necessitated by the fact that films exposed to electronrc ffash usually have a lower than normal
contrast. Strob-X Developer gives excellent results with 7 to 10 minutes development time.
l4View original page 14From the M. Butkus archive. Original publisher and archive notices are retained.
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