Film cameras
Mamiya Auto 480 User manual
User manual for Mamiya Auto 480. 16 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Mamiya
- Model / document
- Mamiya Auto 480
- Document type
- User manual
- Language
- English
- Pages
- 16
- File size
- 1.6 MB
- Category
- Film cameras
- Document date
- Not specified in catalog
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Page 4 · Read text
Mamiya ProfessionalElectronicFlash
Auto 48O Model 2
Congratulationson your choice of the Mamiya ProfessionalElectronic Flash Auto
480 Model 2. Before using this unit, please read these instructions carefully to
insure correct operation and full satisfactionwith the performance.
Features
This auto electronic flash provides correct exposure at all times by the use of an
SCR series controlled computer circuit that controls flash intensity in accordance
with the light reflected from the subject. The computer dischargesonly the
required amount of energy, the remainder being stored in the condensor for the
next flash" This not only enables a faster recycling time but also reducespower
consumption for longer battery life.
This powerful electronic flash has a guide number of 48 (ASA100 in meters) 157
(ASA 100 in feet) and three aperture settings. Coverageis suff icient to handle the
field of view of a 50mm lens in the 6 x 9cm format, yet coverageis extremely uni-
f orm.
The highly heat-resistantmetal reflector providesuniform light reflection and color
quality that is optimum for color films.
Two power sourcesare available: the TR Pack which uses AA size batteries,and a
N i-Cd Cartridge. Batteries are included with the N i-Cd Cartridge but AA size
batteriesare sold separately.
Wide-angle diffuser
ffi'ri#Hli rtJ*pscq Ni-Cd cartridge with
charger adapter
Ni-Cd charging adapter
TR pack MP-1 MCA.1
Ni-Cd cartridge
Ni-CdchargerMC-1 (for 100V)
Ni-CdchargerMC-2 (for 120V1
Ni-Cd chargerMC-3 lfor 22O1240V)View original page 4Page 5 · Read text
The figure numbers throughout the textrefer to the pictures on the fold-outpages
at the back.
Namesof Parts
Flash Unit (Fig. 1) Included Accessories
1. Extension socket 17. Camera set screw
2. Clamp CL-1 18. Bracket MB-1
3. Clamp ring CR-1 19. Sync cord SC-2
4. Light sensingwindow 20. Remote sensor MS-l
5. Power socket 21. Sync cord MSC-2
6. Sync cord socket 22. Wide-angle diffuser
7. Clamp lever
L Tripod socket TR Pack MP-1 (Fig. 2)
9. Aperture scale (for Autol 23. TR Pack case
10. Film speedsetting dial 24. Wide-angle diffuser storage pocket
11. Film speedscale 25. Power cord retaining band
12. Auto/Manual selector 26. Battery cartridge (AA size)
13. Full chargelamp 27. Power cord
14. Exposure guide plate 28. Power switch
1 5 . P i l o t l a m p
16. Open flash button
How to Load the Batteries (Fis.3)
Remove the TR Pack from the TR Pack Caseand take out the Battery Cartridge by
first pushing it toward the power cord side and then lifting up.
Load 12 alkaline AA size batteries into the Cartridge with the (+) and (-) poles
located as indicated inside the Cartridge.Six batteriesare loaded in each side of the
Cartridge.
Replace the Cartridge into the TR Pack by pushing it in with the electrode holes
pointed toward the electrodes of the TR Pack. (The Cartridge can be inserted with
either side up.)
When the batteries have been loaded, replace the TR Pack into the TR Pack Case.
Cautions +
. Use only alkaline batteries. Using manganese batteries not only reduces the jI
number of flashespossiblebut also increasesthe recycling time.
. Remove the batteries when the flash unit is not to be used for an extended t:1
period. This prevents damage to the internal parts due to possiblebattery leakage.
. Af ways replace all 12 batteries at the same time with fresh batteries of the same
type.o The Full Charge Lamp lights briefly when the Power Switch is turned off and liI
then goes out again. This does not indicate that the flash is ready for use.
www.orphancameras.comView original page 5Page 6 · Read text
Power Switch (Fig.a)
Plug the Power Cord of the TR Pack into the socket of the flash unit and turn the
Power Switch on. After a few seconds,the Pilot Lamp located on the left side will
light (orange). This indicates a guide number oI 32 in meters (105 in feet) with
ASA 100 film.
After a few more secondsthe Full Charge Lamp (green)on the rightside will light
to indicate full charge. The guide number at this time is48 in meters (157 in feet)
Charge Lamp will make a clicking sound and go outI with ASA 100 film. (The Full briefly after a few secondsbut will light again immediately.)
Turn the Power Switch off when the flash is not to be used for a while in order to
conserve the batteries. The Power Cord should also be disconnected when use is not
intended for a considerabletime.
The Power Switch should always be turned off before connecting or disconnecting
the Power Cord. Doing this with the Power Switch on may cause sparking which
could lead to faulty contact.
Testingand Open Flash (Fig.5)
For flash tests or open flash operation, press the Open Flash Button after the Pilot
Lamp or Full Charge Lamp lights. This allows the f lash to be f ired without regard
to shutter release.
Always set the Auto/Manual Selector (12) to the A3 position for savingthe energy
when testing the flash.
How to Attach to the Camera
1. Attach the flash bracket using the camera tripod socket.
2. Match the notched part of the outer rim of the clamp with the white dot on the
bracket and pressinto position (Fig. 6).
3. Roate until the white dots on the bracket and clamp are aligned to lock the
unit into position (Fig.7). For bounce flash, rotate the flash unit while pressingthe
Clamp Lever (7) until the desired angle is obtained. (Ctict stops are provided at
three places.)
4. To remove the clamp from the bracket, press the clamp lever and rotate to the
notched part. The clamp can then be removed
5. To shift the flash unit up and down, or to rotate it left or right, use a coin to
loosenthe two clamp lock screws(Fig.8).
SyncCord and Sync Terminal
Plug one end of the Sync Cord (19) into the Sync Cord Socket (6) and the other
end into the sync cord terminal of the camera (Fi9.91.
(1) lf your camerahas a sync selectorlever,set the leverat the "X" position.
Ql lt your camera has two sync terminals, plug the cord into the "X" side.
(3) "X" sync is provided by most camerashavingonly one sync terminal.
The flash will fire even if the sync cord is connected to other than the "X" termi-View original page 6Page 7 · Read text
nal, but it will not be synchronized with the shutter. For further details, refer to
the instructionmanual of your camera.
WhenUsingwith the MamiyaPressCameras(Fis.1o)
1. Loosen the two clamp lock screwsand rotate the clamp 180o; then retighten the
screws.
2. Pull out the stabilizing plate on the bottom of the camera and attach the
bracket. After that, all operations are the same as described above.
o With the hand grip removed, the flash can be mounted on the left side of the
camera by holding it as shown in Fig. 11. In this case,the releaselever on the lens 1
barrel must be directly operated with the finger.
Using with a Wide-angle Lens ffis.12l J
Attach the Wide-angleDiffuser (22l, to the front of the flash head when using this
flash with a wide-angle lens having a field of view from 60o to 90". The tab of the
Wide-angle Diffuser should be on the bottom; then place the Wide-angleDiffuser
over the front of the flash head and insert the top part of the Diffuser while
pressingdown. Using this Wide-angleDiffuser provides an angle of coverageof 90o.
The guide number changesto 28 in meters (92 in feet) with ASA100 film.
TakingFlashPictures
DeterminingShutterSpeed
1. With camerasequipped with leaf-typeshutters, flash synchronization is possibleq
at all shutter speedsusing the X sync contact. a
When photographing subjects at a distance,however, the flash duration increasessS
a shutter speed of 11250 sec. or slower should be used. (ln manual operation, th$
flash duration is normally 1/250 sec.) +
2. With camerasequipped with focal plane shutters, synchronization is possibleaf
the shutter speed indicated in red (or the X mark), Synchronization speed differ$\
depending on the camera,so refer to the instruction manual of the camera.
Automatic FlashOperation
Three different aperturesare availablefor automatic operation.
1. Rotate the film speed setting dial (10) until the using film speed (ASA/DIN)
number is alignedwith the AS triangularmark (Fig. 13). ,t
2. Rotate the Auto/Manual Selector (12) until the 41 , A2 or A3 is aligned with I I
rhecorrectapertureisthenindicatedin the
$:,""il1'i:J',1r,?iJ.Ti: "'";,
3. Set the camera lens to the indicated aperture. For example, the followi 0apertureswould be indicated for ASA 100 film' '-
A1:f 11'l A2:tl8 43:f/5.6
o When using a wide-angle lens with the Wide-angleDiffuser, the aperture setting
is the same as the above method in automatic operation. (Do not change the setting
of the Film Speed Setting Dial.)
www.orphancameras.comView original page 7Page 8 · Read text
The distance values on the following table for automatic flash operation are for
when the green Full Charge Lamp is lit. The valuesin parenthesisare for when the
orange Pilot Lamp is lit and are approximately 70% of the full chargevalues.
The distance values for automatic flash operation remain the same even when the
film speed changes.
Automatic Flash Range
Film Speed (ASA) Distance Distance
without Wide- with Wide-angle
400 200 100 50 25 anglediffuser dif f user
3.3ft - 14ft (1oft) 3.3ft - 8.2ft (5.6ft) A 1 f 122 f t 1 6 f 1 1 1 f l B f/5.6 1 m - 4 . 3 m ( 3 m ) 1 m - 2 . 5 m ( 1 . 7 m )
3.3ft - 3.3ft -
A2 f 116 t / 1 1 il8 f t5.6 il4 19.7ft(13.Bft) 1 1.sft (7.9ft)
1m - 6.0m (4.2ml- 1m - 3.5m (2.4m1
3.3ft - 3.3ft -
A3 f t11 r/8 il5.6 f/4 TI2.B 29tt (19.7ft) 16.4ft (11.2ttl
1m - 8.5m (6m) 1m - 5.Om (3.4m)
The film speed scale is as follows.
2 5 5 0 . 1 0 0 . . 2 0 0 . . 400 . . 800' .1600
32 40 64 80 125 160 250 320 500 640 10001250
D I N 15 18 21 24 27 30 33
16 17 19 20 22 23 25 26 28 29 31 32
Cautionsfor Automatic FlashOperation
1. The Light Sensing Window (4) should always be pointed toward the subject;
Extra care should be taken for close distances.Attaching the Wide-angleDiffuser
will make better result for close distances(i.e.3.3ft or 1m) even when using a
standard lens.
2. Flash intensity is determined by averagedmetering in automatic operation, so
the lens should be set to an aperture one-half or one f-stop larger than indicated
when shooting near strongly reflective background such as a white wal I or glass,
etc., in order to obtain better exposure. Conversely, the lens should be stopped
down one-half or one f-stop when shooting near dark background surfacessuch as
dark curtains, etc. Proceed as above also when the main subject is highly reflective
or non-reflective.
3. Use a neutral density filter (ND) to reduce effective film speed when using
ASA3000 Polaroid Land Pack Film. For example, using an ND16 filter would
reduce the effective film speed to ASA200.
4. For flash diffusion, cover only the reflector part of the flash unit with gauze or
other similar material, taking care not to cover the Light SensingWindow. The type
of material used effects the degree of diffusion and reduction of intensity and theView original page 8Page 9 · Read text
automatic f lash range also varies so a test exposure is recommended.
5. The Remote Sensorshould be used for bounce flash.
6. Flash exposureshould be set manually for daylight fill-in flash or for multiple
flash exposure.
How to Usethe RemoteSensor
The Remote Sensor should be used for bounce flash or when the flash unit is used away from the camera. .
For camerasequipped with a hotshoe (Fig. 15)
Clip the RemoteSensoronto the hotshoeof the cameraand plug the sensorcord ,,
plug into the Sync Cord Socketof the flash. lt is not necessaryto useSync Cord i
MSC-2 for the sensor.
The light sensing window of the sensor should be pointed correctly toward the
subject.
The automatic flash range differs depending on the distance to a bounce surface,
reflection ratio, etc. Forcolor photography, care should be taken becausethe color
of the subject may be affected by the color of the reflecting material.
For cameras without a hotshoe (Fig. 16)
Attach the Remote Sensor to the accessoryshoe of the camera. Before connecting
the cord to the flash, always plug the Sync Cord MSC-2 into the sensor socket.
Plugging in retracts the contact connecting the sensor and hotshoe. Connect the
other end of the cord to the camera or lens X-terminal. Next, connect the sensor
cord to the Sync Cord Socket of the flash.
When the flash is charged, first connecting the sensor cord to the flash without
connectingthe Sync Cord MSC-2 and attaching to the camera will causethe flash to
fire when the hotshoe contact touches the camera body.
ManualOperation (Fig.17) 'U ' $u&d/
1. Rotate the Film Speed Setting Dial (10) until the using film speed is aligned
with the AS triangularmark. When using the Wide-angleDiffuser,set the film speed
to the W triangular mark.
2. Rotate the Auto/Manual selector (12) until the letter M is aligned with the
central triangular mark.
3. Measure the distance to the subject and set the lens aperture by reading off the
(14) lens aperture indicated by the Exposure Plate Guide for that distance. The I{ i correct aperture can also guide be calculated by the number using the formula: ?,
Guide number +Subject distance= Aperture. II
. For example, when this flash is used with ASA100 film, the guide number is 48 so
at a subject distance of 6 meters the calculation would be 48 + 6 = g.
When the Wide-angle Diffuser is used, the guide number is 28 so the calculation
woufd be 28 + 6 = 4.7. In this case,the aperture would be set at f 14.5.
The guide number differs with other film speedsso use the Exposure Guide plate to
determine the f/stop in such cases.
www.orphancameras.comView original page 9Page 10 · Read text
For manual flash photography in non-reflective places such as a large room,
outdoors, etc., the calculated aperture should be opened up one or two f-stops to
compensate.
When using flash in daylight for fill-in, flash exposure should be determined in
accordancewith the brightnessof highlights caused by the natural lighting, or the
brightnessof the background when there is backlighting.
For example, if the correct daylight exposure is 11250 sec. at f/B using ASA1OO
film after consideringthe above factors, correct exposure will be obtained using the
flash if the subject distance is 6 meters becausethe aperture as calculated using the
above formula is the same. lf the subject distarrceis 3 meters, however, the aperture
according to the formula would have to be tl16 (two f-stops smaller) to obtain
correct flash exposure, which would result in underexposureby two f-stops for the
naturally lit part. To obtain correct exposure for both the filled in part and the part
with natural lighting a shutter speed of 1/60 sec. would be required.
When using a camera with a focal plane shutter, refer to the instruction manual for
the correct shutter speed for electronic f lash synchronization.
lf the flash intensity is too strong, adjust by using a diffuser, bounce flash or by
holding the flash unit away from the camera.
When the subject is backlit and using the flash to fill-in the shadowed areas,set the
aperture one f/stop smaller than the calculated aperture, then the picture can be
clearly defined while retaining the backlit atmosphere
MultipleFlashExposure
Open the cover of the Extension Socket of the flash. This bottom edge of this cover
is inset into the flash unit to prevent loss. To open, push sidewise.
Plug the sync cord of another flash unit into this socket (Fig. 18). Picture taking is
possible when the ready lamps of both units light. Determine exposure manually
when using multiple flashes.
How to Determine Exposure
1. There is no general rule for determining exposure when using multiple flash
units. However, the general method of calculati ng the correct exposure consists of
obtaining the correct aperture on the basis of the guide number of the main flash
unit or elsestopping down bV 113 to 112 stop of the aperture setting thus obtained.
2. When using multiple units at the same position or different positions but the
samedistanceas the main unit in order to increaseflash intensity, the guide number
can be found using the following formula:
c.N.= Jclr. 1" +-cNl7
For example, the total guide number when using the 480 Model 2 with its guide
number of 48 and another unit with a guide number of 20 would be:
G.N.= J48' + ZO' = SZ
3. When it is necessaryto determine exposure with accuracy, it is recommended to
take test exposures or to use an accurate flash meter.View original page 10Page 11 · Read text
How to Use the Ni-Cd Cartridge Ii
1. Plug the Charging Plug of the Ni-Cd Charger into the Ni-Cd Charging Adapter
MCA-1 already connected to the Ni-Cd Cartridge; then plug the AC plug of the
Charger into a power outlet (Fig. 19). The batteries will be fully charged inapproximately 14 hours. iIIlI
2. When charging is completed, remove the plug from the Adapter and disconnectthe N i-Cd Cartridge from the Charging Adapter. Disconnect by holding the lt4
Cartridge and Adapter in both hands and pushing the Cartridge in and upward (Fig.
20l-.
3. Remove the Battery Cartridge from the TR Pack and replace it with the Ni-Cd
Cartridge.
4. Connection to the electronic flash unit and handling of the power source is the
sameas when using AA size batteries.
Rechargethe Ni-Cd batteries when the recycling time becomes long.
1. Remove the Ni-Cd Cartridge from the TR Pack and plug it into the Ni-Cd
Charging Adapter MCA-1, facing the electrode hole end toward the electrodesof
the Adapter. (Either side of the cartridge may be upward.)
2. Holding the cartridge and adapter one in each hand, push the cartridge into the
adapter at a slight downward angle and then straight in to make the connection.
3. Repeat the proceduresdescribedin items 1 to 4 above and use.
Cautions
o Charge the batteries only where the temperature is between O"C (32oF) and
4 0 ' c ( 1 0 4 " F ) .
o Always disconnect the chargerfrom the AC power when not in use.
o When connecting and disconnecting the chargingcord to and from the Charging
Adapter, always do so graspingthe thick part of the plug. Pulling the cord can lead
to breakage.
o Always use the Mamiya Ni-Cd Charger when charging the Ni-Cd cartridge. Use
only the Ni-Cd Charging Adapter MCA-I with this charger.
o Never for any reason disassemble the Ni-Cd Cartridge, Charging Adapter or
Charger.
i I+l
l
, I l'4
www.orphancameras.comView original page 11Page 12 · Read text
Specifications#Guide number:
Normal: 48 (ASA 100/DlN 21 in meters),tSZ (ASA 100 in feet)
Wide: 28 (ASA 100/DlN 21 in meters), 92 (ASA 100 in feet)
Angle of coverage:
Normal: 60o vertical, 70o holizontaf
Wide: 90o vertical, 90o holizontal
Power source:
TR Pack MP-1: twelve 1.5V AA size alkaline batteries
Ni-Cd Cartridge: 12 Ni-Cd batteriesincluded (use with TR Pack MP-1)*
Recyclingtime: (Alkaline) (Ni-cd)
Automatic: approx. 0.5 - 14 sec. a p p r o x . 0 . 5 - 5 s e c .
Manual:. approx. 8 sec. approx.4 sec.
(until Pilot Lamp lights) (until Pilot Lamp lights)
approx. 14 sec. approx. 5 sec.
* (until Full ChargeLamp lights) (until Full ChargeLamp lights) Number of flashes:
Automatic: approx. 100 - 2000 approx.50 - 2000p Manual: a p p r o x . 1 0 0 approx.50
Auto flash range selector switch:
Four-mode selectionwith three auto flash ranges ("4.1,A2, 43) and manual.
Automaticflash range: A1 A2 A3 !
* Normal: 3.3 - 14 ft. 3.3 - ',t9.7ft. 3.3 - 28 ft.
(1 - 4.3 m) (1 - 6.0 m) (1 - 8.5 m)
' Wide: 3.3 - 8.2 tt. 3 . 3 - 1 1 . 5f t . 3.3 - 16.4ft.
(1 - 2.5 ml (1 - 3.5 m) (1 - 5.0 m)
Flash duration:
Automatic: 11250sec. - 1/3300 sec.
Manual: 1/250 sec.
Color temperature:
Daylight balanced
lncluded in set:
Flashunlt, Bracket MB-l, Clamp CL-1, Clamp ring CR-1, Remote sensor
MS-1, Sensorsync cord MSC-2, Sync cord SC-2, Wide-anglediffuser and
TR Pack MP-1 with case.
Optional accessories:
Ni-Cd Cartridgewith Chargingadapter MCA-1
Ni-Cd Charger MC-l for 100V, Ni-Cd Charger MC-2 for 12OV, Ni-Cd Charger
MC-3 for 22O|24OV
Notes:
o Specificationsare subject to change without notice.
o The above values are for fresh batteries or fully charged Ni-Cd batteriesused at
normal temperature (20" C/68" F ).
o The number of flashes is found by dischargingthe flash continuously at 30
second intervalsuntil 30 seconds are required for the Pilot Lamp and Full Charge
Lamp to light.
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