Flashes & lighting
Minicam Speedlight EF-100 User manual
User manual for Minicam Speedlight EF-100. 18 pages in English. Read the original PDF, download or print a copy without registration.
18 pagesEnglish2.5 MB PDF
Loading your manual…Open PDF directly
Document details
- Brand
- Minicam
- Model / document
- Minicam Speedlight EF-100
- Document type
- User manual
- Language
- English
- Pages
- 18
- File size
- 2.5 MB
- Category
- Flashes & lighting
- Document date
- Not specified in catalog
Search available document text
Find a term, then jump to its page in the original PDF. Image-only pages may not be searchable; check the PDF for exact wording and diagrams.
Page 2 · Read text
Each page had a background image, almost impossible to see text
As in the post, the SPEEDLIGHT 100 olso'works on The SPEEDTIGHT 100 is olso very light ond hondsomely
the 4-volt 3 Ah type wet cell occumulotor;=.such designed..*Ihe-tlclbryl,{\ ,nit, which is fitted with o built-on os " -4 d. {lf-*rrhr*. '.we"{{artt6-
the Germon Sonnenschein versiop, but since this bottery metol clip with stoppelscrew for mounting on top-of -
uses sulphuric ocid liquid thot requires specicl core ond comero occestory shoefweighs o mere 4-oz. ond
ottention, the odded usobiliti of "rechdgeoble" dry virtuolly odds nothins tofthe bolonce of the comero.
cells is no doubt o greot bre$hroggh for this u"rx*,r, power pock is ond beoutifully trimmed ,,,*Ihe " ilr -rectongulor populor flosh unit. ggrit of lightflgrey plostic which is rein- 1 ryq.1-&".
The intensity of SPEEDLIGHT wo$s"ff# extfi: strength ond durobility by o metol, 100's.100 mJfl[fed,tor
light emission is sufficient to meet procttcfily oll, if chromi,im ploted strip oll oround.
kindly requested to reod the following not oll, situotions which the overqge h"*rw or sflffi NoJ, yo, ore
professionol photogropher will encounter, oiT'th"n too, inrtructions corefully prior to octuolly using your -___.n*
remember, the light output of ihe flosh unit is fully SPEEDLIGHT 100, ond we ore sure thot you will denve
corrected for doylight color films, f rom hoving ioined the *@netils-*gny ..**- o greot deol of sotisfoction
further need for those speciol "blue b"ll5 eu", in"."offionks of SPEEDLIGHT loO owners.
The "color" pages with text are below.ifView original page 2Page 4 · Read text
Digitally signed by Mike Butkus
DN: cn=Mike Butkus, o, ou=Butkus.org,
email=mike@butkus.org, c=US Mike Butkus Date: 2024.11.16 15:04:25 -05'00' exposure. In short, electronic flosh shooting hos nothing
to do with shutter speeds when you ore using o comeroln noimol flosh photogrophy, shutter speed hos no
relotionship to the exposure since the flosh is of very equipped with the BETWEEN-THE-LENS type shutter.
short durotion. Light durotion of electronic flosh is so lf ore using o comero equipped with the FOCAL--i-
fost thot the flosh will completely be synchronized only PLANE type shutter, o shutter speed of less thon lr50
if the shutter is turned to the "X" position on your of o second must be used to ollow for proper synchro-
comero. This is extremely importont. nizotion. However, mechonism of focol -plone shutters ore
"M" or "F" terminols os these or:e for bulb little different with some comeros, ond shutfer speedDo not use
gun synchronizotion. lf your comero is equipped with synchronizoble with electronic flosh moy thus be more
"X", "M" or "F" ore selected by porticulor or dif ferent. But, ony rote, comero mokers'o single terminol ond
o pointer knob on the shutter housing, be sure the cotologs descrrbing their respective comeros usuolly
shutter is set ot "X". specify the shutter speeds usoble with electronic flosh.
Becouse the flosh durotion is so short, your shutter
speed con be set I /50 of o second or ol | /25 of o
second with no chonge in the light output or film Exposure is colculoted by the distonce from the lightView original page 4Page 5 · Read text
i-
www.butkus.us
#". Use the simply operoted f:stop colculotor fitted ff you wish to meosure the distonce by meter, ond i(
on the bock of fhe flosh unit housing for eosy reference. for exornple the guide number(of ASA-100) for meter
Ropid determinotion of the oppropriote f :stop con be is 24 , ond the distonce 6 meters, the f :stop would be-
mode with this colculotor by oligning the film speed 24 . 6:4 The f :stop is 4.
rote (ASA-100 for exomple) written on the rototing
diol, with the triongle (block-ond-white) or "C" (color) D. CELL BATTERY OPERATION.
mork writfen on the stotionory diol. l. Remove the bock cver of the power pock ond insert
"Ft." stonds for feet, "M" f or gte_lgl ond "f" for f :stop. four D cells os illustroted in the bottery comportment.
Anofher method of figuring the f :stop, is by using The unit will work with ony type of 1.5-volt stondord
predetermined guide numbers, ond, once ogoin, the f :stop D-size floshlight botteries, but botteries mode by
con simply be determined by dividing the guide number fi rst-closs monufocturers ore the most economtcol
by the distonce. For exomplei if the guide numder of (give the most f loshes per set of botteries ) ond
ihe ASA-100 film for feet is'70, then, if rhe disronce give the most ef f ective light output (shorter
desired is l0 feet, the f ,stopwould be- intervcls between f loshes).
7A-:10:7 The f,sfop is 7. 2. Then defermine your exposure by following theView original page 5Page 6 · Read text
r <rt-+ -*- -
instructions detoiled in the-.obo"F How To h{^* thee po"k. Ploce toggle switch on the power "e,
CALCULATE EXPOSURE. Attocfi the SPEEDLIGHT pock into bottery(gnf )position ond you will heor
100 flosh unit into the comero occessory shoe or the humming sound of the vibrotor in oction.
to fhe Minicom comero brocket, ond then connect 4. The ne*l reody-lomp ot the bock of the flosh unit
the synchro cord coming f rom the flosh unit into will then light up in obout 5 to | 0 seconds, # the X-terminol of your comero. The flosh unit is
o,- ' not offected by the shutter speed of your csmero indicotingrecommendedyou thotore nowyou ollowreodyontoodditionolflosh. But2 tott is3
if the shutter is instolled with X-contoct. seconds bcfore f.loshing to ensure f ull light output
Consequently, ot night, the exposure is determinedfte of 100 wott-seconds. only by the guide numbers furnished for this unit. r{q :1 5. One set of botteries should be reoloced of ter obout However, in doylight, the fostest shutter speed is
0 f loshes. When the reody-lomp goes on of ter tr best to prevent the ghost imoge resulting from 5 '$ meons thot overlop of the sunlight ond electroruc flosh. more thon the stoted recycling time, it
'3 lrtsert 4 -pronged plug of sptrol cord coming f rom the botteries hove weokened. But photogrophs con
ihe flosh unit rnto the correspondrng ierminsl of still be token. *View original page 6Page 8 · Read text
Venmo @mike-butkus-camera Ph. 2083 PayPal Name Lynn@butkus.org www.PayPal.me/lynnbutkusView original page 8
Page 10 · Read text
www.butkus.us
this porticulor Minicom botterY. 4. Without observing the limit of 50 floshes, obout
so II Insert four Minicom rechorgeoble D-cells into the 300 floshes con be obtoined. But when used
bottery comportment, in the some monner os the much, rechorging is not possible.
nonrechorgeoble D -cells. 5. The Mintcom rechorgeoble D-Cell hos olso proved
2. Prior to flosh operotion, ploce the toggle switch on thot they will not be offected from overchorge, f orgetting to disconnect the AC Cord the power pock into AC position, ond connect the even when
being power pock ond the AC household outlet with the for 48 hours, which is onother recrson for
AC Cord provided. Chorging of the botteries superior to other equivolent mokes.
hove thus begun. Since new botteries ore olreody
in the usoble condition, it is recommended thot the
botteries be chorged only obout 3 or 4 hours, os Although Minicom hos discontinued the monufocture of
o meons to precondition them. their 4 v 3Ah Wet Cell Bottery obout o yeor ogo, the
3. For longer bottery life, limit the number of photo following instructions is bosed on this bottery, so thot
flqshes to obout 50. The botteries will then be it moy serve os o guide when operoting with
copoble of being fully chorged wiih obout I to l0 other equivolent wet cells, such os the Germon
hours chorge, for exomple overnight. Sonnenschei n.View original page 10Page 11 · Read text
r
t. Connect the wet cell bottery to the respective w i th"' **s opero tion.
cord terminols in the bottery comportment; red Usuolly, longer rechoi'$ilg*time moy be required if
cord for plus ond blue for minus. lt is essentiol the red flooting*'boll completely goos down to the for bottery to be fully chorged before using the k bottom. ,&
flosh. Then put cover bock on the power pock. It is recommended thot bottery is set f or rechorging
d You will recognize the red ond white flooting bolls when you go to bed ond next morning you will get
octing os indicotor through the norrow window. up to find the bottery chorged.
2. Operotion of the wet cell bottery rs the some os When rechorging the bottery, it is conventent to
in dry cell bottery but more effective ond more use the AC cord furnished with the unit. Toke out
even electric current moy be obtoined, so thot the the bottery from the comportment ond unscrew the
rechorgi ng time of the copocitor remoins constont. red cops of the bottery to prevent.spilling of the
3. However, when obout 50 flqshes hove been mode, ocid.
the recycling time will, he'"dueed. Accordingly, it Plug AC cord into AC socket ond opposite terminols
is desiroble if possible to rechorge hqf tery when XP: inlo your household current outlet, plocrng toggle
the white flooting boll goes down to tho "bottom, -. switch to AC position. This .chorging operotion is
becouse rechorging trme will be shorter (obqrt 2 the sqme os AC operotion for floshing.View original page 11Page 13 · Read text
p immediotely floshtng the unit with the copocitor ih such
"q.@EGr"'E!il inoctive co-ndi ti.on coul d couse domoge to, or in worst Avoiding Overheot. #, coses, render the copocitor completel y unservi ceoble,
Whilst the recycling time in normol operotion is 5-10 nuki ng it necessory to get o replocement. sec. in BAT ond 5-15 sec. in AC, core moy be needed
when o greot mony floshes ore to be mqde in succession,ffi
under these circumstonces it is recommended ihot o
f ew odditionol seconds be ollowed between floshes,, in
order to ovoid risk of overheoting resistors in the flosh Electronic flosh improves fhe quolity oflour pictures
unit. This procedure opplies only when more thon five even in doylight, especrolly when light conditions ore
or six floshes in quick succession ore involved. not ideol, such os cloudy weother, ond where horsh
Reforming The Chorge Copocitor. shodows creoted by the sun record os feotureless block
Af ter o week or two of unused period, moke it o hobit to oreos in your pictures. With SPEEDLIC+IT 100 you con
feed the flosh with AC current for obout l0 minutes eliminote these shodows ond copture f ull detoil. To
before use. This procedure reforms the chorgecopocitor perform doylight flosh, deiermine the necessory f:stop.
which possesses the noture of becoming inoctive ond Then determine the correct shutter speed with the
less serviceoble when kept unused for mony doys, ond predetermined f :stop by use of o light meter.View original page 13Page 15 · Read text
As ln the post, the SPEEDTIGHT |00 olso works on Ihe SPEEDLIGHT 100 is olso very light ond hondsomely
unit, whtch ts fttted with o buill-on
metol clip with s screw for mounting on top-of-
comero oclrv shoelreishs o mere A-oz. ond
virfuolly odds nothing bolonce of the comero.
The power pock is ond beoutifully trimmed
tions corefully prior to octuolly using your
remember, the light output of the flosh unit EDLIGHT 100, ond we ore sure thot you will derive
corrected for doylight color films, eliminofino_.ony deol of sotisfoction from hoving ioined the --._.'q.9reot
iurther need for those soeciol "blue b"il:I- in.."*ffionks of SPEEDLIGHT I 0O owners. "u"r.View original page 15Page 16 · Read text
'* www.butkus.us
f :stop colculotor fi tted ff you wish to meosure the distonce by meter, ond i( [:s; ttryrtly operote{ t$* eosy refercnce. for exomple the guide number(of ASA-100 ) for meter ft unit *ousing for
be is 24 , ond the distonce 6 meters, the f :stop would be- Qifrttoii#th" oppropriote f:stop con
f :stop is 4. !!FL--, bv oligning,. the film speed 24 =6:4 The
Il.---\l!J | \ :. | .&te (Asal r written on the rototing ltpile)
D. CEtt BATTERY OPERATION.
mork wr y diol. l. Remove the bock cver of the power pock ond insert
"Ft." s meter ond "f" for f :stop. four D cells os illustroted in the bottery comportment.
Another ng the f:stop, is by using The unit will work with ony type of 1.5-volt stondord
predetermi s, ond, once ogoin, fhe frstop D-size floshlight botteries, but botteries mode by -
con simply y dividing fhe guide number fi rst-closs monufocturers ore the most economicol
br the cli{t ef if the guide numder of (give the most f loshes per set of botteries ) ond
the ASA-l is 70, then, if the distonce give the most ef fective light output (shorfer
desg9"{ is l0 feet, the f:stopwould be- intervols between f loshes ).
0 .10:7 ,:*Ilq f:stop is Z. 2. Then determine your exposure by following the
ffiView original page 16From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.
PDF verified 2026-10-10.