Metz Mecablitz 34 AF-3N User Manual

TV • VIDEO • CAMCORDER • MECABLITZ
MECABLITZ 34 AF-3 N
Operating instructions
Foreword
Dear Customer,
We thank you for your confidence in our
mecablitz MB 34 AF-3N.
The MB 34 AF-3N flashgun has been especially designed for Nikon AF system cameras. IMPORTANT: Never mount the flashgun in the accessory shoe of any other system camera, otherwise the flashgun’s foot or the camera’s accessory shoe can be destroyed! The dedica­ted contacts in the foot of the MB 34 AF-3N only support the controlling commands of Nikon AF system cameras.
The following pages give details for the correct operation of the mecablitz flashgun and summari­ze its fields of application.
Please read these operating instructions carefully, even if, at first sight, some points may not appear to be of interest. Our design work placed
particular value on ensuring that operation of the mecablitz is as simple
as possible, but it should be noted that the system cameras for which the flashgun is intended offer a great diversity of capabilities. We wish you much pleasure with your new Metz flashgun in conjunction
with a Nikon AF system camera to light up the darkest points, and for creative flash lighting.
Disposal of batteries
Do not dispose of spent batteries with domestic rubbish.
Please return spent batteries to collecting points should they exist in your country!
2
Contents
1. Safety instructions . . . . . . . . . . . . . . . . .24
2. Preparing the mecablitz for use . . . . . . .25
2.1 Power supply . . . . . . . . . . . . . . . . . . . . . .25
2.2 Loading and replacing the batteries . . . . . .25
2.3 Automatic flashgun cut-out circuit . . . . . . .26
2.4 Mounting/Removing the mecablitz . . . . . . .26
3. Setting the mecablitz into operation . . .27
3.1 Preconditions . . . . . . . . . . . . . . . . . . . . . .27
3.2 Switching the flashgun on and off . . . . . . .27
4. Flashgun instructions to the camera . . .28
4.1 Flash-ready indication . . . . . . . . . . . . . . . .28
4.2 Automatic flash sync speed control . . . . . .28
4.3 Correct-exposure indication . . . . . . . . . . .28
4.4 Information displayed in the
camera’s viewfinder . . . . . . . . . . . . . . . . .29
5. TTL flash control . . . . . . . . . . . . . . . . . . .30
6. Flash synchronisation . . . . . . . . . . . . . . .31
6.1 Normal synchronisation . . . . . . . . . . . . . . .31
6.2 Slow-synchronisation . . . . . . . . . . . . . . . .31
6.3 Second curtain synchronisation . . . . . . . . .32
7. Flash in the individual camera modes . .33
8. Autofocus measuring flash . . . . . . . . . . .34
9. Flash techniques and flash functions . .36
9.1 Automatic fill-in flash . . . . . . . . . . . . . . . .36
9.2 Exposure correction . . . . . . . . . . . . . . . . .36
9.3 Flash exposure sequences . . . . . . . . . . . .36
10.
Lighting and wide-angle/telephoto attachment
. .37
11. Care and maintenance ­Manual firing button
Troubleshooting . . . . . . . . . . . . . . . . . . .38
12. Technical data . . . . . . . . . . . . . . . . . . . . .39
Lightning distances . . . . . . . . . . . . . . . .40
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1. Safety instructions
NEVER fire a flash in the immediate vicinity of the eyes! Flash fired directly in front of the eyes of a person or animal can damage the retina and lead to severe visual disorders - even blindness!
• Spent batteries should be immediately remo­ved. Chemicals leaking out of spent batteries will damage the flashgun.
• Do not short-circuit batteries! DANGER OF EXPLOSION!
• Batteries should not be exposed to excessive heat, for instance sunshine, fire and the like!
NEVER throw spent batteries in a fire!
• Do not expose the flashgun to dripping or splashing water!
• Protect the flashgun against excessive heat and high humidity levels! Do not keep the flashgun in the glove compartment of a car!
• In the event of flash shots with full light output observe an interval of at least 3 minutes after a series of 20 flashes. This will protect the flash­gun against overload.
NEVER place material that is impervious to light in front of, or directly
on, the reflector screen. The reflector screen must be perfectly clean when a flash is fired. The high energy of the flash light will burn the material or damage the screen if this is not observed!
NEVER dismantle the flashgun! DANGER: HIGH VOLTAGE! There are
no components inside the
flashgun that can be repaired by a layperson.
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5
2. Preparing the mecablitz for use
2.1 Power supply
The flashgun can only be operated with 2 CR2­type lithium batteries. This type of battery can be stored for many years with practically no loss of energy, thus making it ideal for occasional amateur flash photography.
Batteries have become discharged or spent when recycling takes more than 60 seconds. The batteries should be removed from the mecablitz if the flashgun is not going to be used for a prolonged period.
2.2 Loading and exchanging batteries
• Turn off the flashgun with the main switch.
• Press the unlocking catch, slide the battery compartment lid to the right and fold open (see fig. 1).
•Insert the batteries according to the indicated battery symbols.
The supplied lithium batteries are expendables and, as such, are not subject to our warranty provisions.
After the batteries have been inserted, fold down the battery compartment lid, and push to the left until it engages audible with the unlocking catch.
Fig. 1: Unlocking and exchanging batteries
2. Preparing the mecablitz for use
6
When loading the batteries ensure correct polarity. Incorrectly loaded batteries can dest­roy the flashgun! All batteries must be of the same make and have the same charge level.
Exhausted batteries must not be thrown into the dustbin! Contribute to the protection of the environment and discard exhausted bat­teries at the appropriate disposal points.
2.3 Automatic flashgun switch-off
To avoid accidental battery discharge the flashgun automatically switches itself off to save power approximately 8 minutes after
- the flashgun was switched on
- the last flash was fired
- tripping the camera release, or
- switching on the camera light metering system.
The green flash-ready indicator is turned off. To turn on the mecablitz again switch the main switch OFF and then ON. The flashgun should always be turned off if it is not being used.
2.4 Mounting/Removing the flashgun
• Turn off the mecablitz.
• Press the unlocking catch at the back of the mecablitz (see fig. 2).
• Slide the mounting foot into the camera’s mounting shoe.
Always turn off the flashgun before it is removed.
Press the unlocking catch at the back of the mecablitz (fig. 2) and withdraw from the camera.
Fig. 2: Unlocking catch
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3. Setting the mecablitz into operation
3.1 Preconditions The mecablitz must only be used with TTL
flash controlled cameras!
The sensor of TTL flash controlled cameras measures the light reaching the film through the camera lens and instantly cuts out the flash when the film has been correctly expo­sed. Please refer to the camera’s operating instructions to find out whether your camera features this function.
A full-power flash is fired if the camera does not feature TTL flash control!
In other words: Without TTL flash control, the mecablitz fires an unmeasured flash at maximum output.
If there is a flashgun integrated in the camera
it must be switched off or completely folded down when the mecablitz is used.
Ǻ
Fig. 3: Switching the flashgun on and off
OFF ON
3.2 Switching the flashgun on and off
Set the main switch in the ON position to turn on the flashgun. The green flash-ready indicator lights up to indicate flash readiness.
Set the main switch in the OFF position to turn off the flashgun.
4. Flashgun instructions to the camera
The mecablitz transmits different signals and messages to the camera when it is connected to the camera and is switched on.
4.1 Flash-ready indication
The green light on the mecablitz illuminates when the flash capacitor is fully primed, thereby indicating flash readiness. This means that flash can be used for the next exposure. The flash rea­diness signal is transmitted to the camera where it is indicated by a corresponding display in the camera’s viewfinder. On some cameras (depen­ding on the model) the shutter is automatically changed to flash sync speed when flash readiness is reached. The flash will not be fired if the shutter is released before the flash ready light illuminates with the result that the exposure may be incorrect if the camera control circuit has already changed over to flash sync speed. Please refer to the came­ra’s operating instructions for further details.
4.2 Automatic flash sync speed control
Most system cameras automatically change to flash sync speed when flash readiness is reached. The flash sync shutter speeds may vary between 1/30th and 1/300th second, depending on the camera model. Please refer to the camera’s opera­ting instructions for further details.
4.3 Correct-exposure indication (see fig. 4) The red correct exposure light briefly illuminates
when flash exposure was correct. At the same time the mecablitz sends an o.k. signal to the camera for display in the viewfinder. Please refer to the camera’s operating instructions for further details.
8
4. Flashgun instructions to the camera
4.4 Information displayed in the camera’s viewer
The following table only gives a general survey. Camera-specific deviations ar possible (please refer to the camera’s operating instructions.
• Green arrow Indicates that flash­gun should be used or switched on.
• Red arrow Flash readiness indi­cation.
• Red arrow is perma- The shot was correct-
nently illuminated ly exposed. after exposure, or disappears briefly
• Red arrow blinks after The shot was
exposure underexposed.
9
Fig. 4: Exposure o.k.
5. TTL flash control
The mecablitz receives its information exclusi­vely from the connected TTL-controlled camera.
Exposure measurement in TTL mode (TTL = through-the-lens) is completed by the camera’s sensor. This sensor measures the light reaching the film through the camera lens. An electronic control circuit within the camera transmits a stop signal to the flashgun as soon as the film has been exposed by the correct amount of light; the flash is then instantly cut out. The advantage of the TTL mode is that all factors influencing the exposure of the film (such as filters, change of aperture or variable aperture zooms) are taken into account. You need not worry about adjustment of the light output. The camera’s electronic system automati­cally defines the required amount of light. You can also utilize various metering facilities
(e.g. spot ,
matrix or centre-weighted overall readings)
offered
by some cameras.
The Table on page 39 gives the maximum range for the selected aperture. The minimum lighting distance is approx. 15% of the maximum threshold range.
If the actual distance is shorter than the minimum lighting distance, then this may result in overexposure.
A strip of film must be loaded in the camera if tests are to be conducted in TTL flash mode.
The effective flash range can only be checked by the correct-exposure display (o.k.) if the flash is triggered by the camera and not with the manual release on the flashgun!
10
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6. Flash synchronisation
Different modes of flash synchronisation are pos­sible, depending on the camera model. Please refer to the camera’s operating instructions to find out how the individual modes of synchronisation are set on the camera.
6.1 Normal synchronisation
This mode is available with all TTL cameras, and it is suitable for most flash shots. With normal synchronisation, switching to the camera’s flash sync shutter speed is automatic. The shutter speed may vary from 1/30th and 1/300th seconds, depending on the camera model. Please refer to the camera’s operating instructions for further details.
6.2 Slow-synchronisation
Some cameras feature specific exposure pro­grams for slow-synchronisation.
Flash shots at low lighting levels and fast shutter speeds (normal flash sync speed) can often result in overexposed subjects in front of a very dark back-ground. The slow-sync function allows the use of slow shutter speeds right up to 30 seconds, to significantly enhance the background as a result of the extra ambient light. Such shots require a tri­pod to prevent camera shake. Please refer to the camera’s operating instructions for further details.
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6. Flash synchronisation
6.3 Second curtain synchronisation (REAR)
Some cameras offer the facility of second shutter curtain synchronisation.
With normal synchronisation, the flash is fired precisely after the opening of the first shutter curtain. When using slow shutter speeds, and with moving objects, this would result in an unnatural rendition of light traces.
With second curtain or rear curtain synchronisa­tion, the flash is fired as the exposure is ending, just before the second curtain covers the film again.
This makes the light trail behind the moving objects instead of appearing in front of them, and renders a more natural looking picture.
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First curtain Second curtain
7. Flash in the individual camera modes
Use of flash in the program modes
TTL-controlled flash shots can be made in all exposure and auto program modes. Once the mecablitz is attached to the camera and switched on, it automatically operates with TTL flash control in auto program (P), aperture priority (A), shutter priority (S) and manual (M) modes. For details please refer to the camera’s operating instructions.
Special functions not supported by flash:
• Red-eye reduction function.
• multi-sensor fill-in flash
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8. Autofocus measuring flash
The integrated AF red-light beam of the mecablitz supports the automatic focusing of autofocus TTL cameras. When the prevailing light is insufficient for automatic focusing, the mecablitz will project a pattern
of red vertical stripes onto the subject as
soon as the camera’s release
is lightly touched. The camera’s autofocus system then focuses the picture by this striped pattern.
Notes:
• When the camera’s autofocus system is on, the
electronic circuit will automatically activate the autofocus measuring flash whenever the prevailing light is insufficient for the exposure.
• The autofocus measuring flash cannot be
activated in every exposure mode or AF mode of the camera. In most cases, it will only support the SINGLE-AF function (see camera’s operating instructions) without follow-up focusing.
• The range of the autofocus measuring flash depends on the speed of the lens (maximum aperture)! With an f/1.8 standard lens of 50 mm focal length, the range is approx. 6-10 m (depen­ding on the sensitivity
of the camera’s AF sen-
sor).
Low-speed lenses, e.g. with an aperture of
f/5.6
or f/8 (such as zoom lenses), significantly
restrict
the range of the autofocus measuring flash!
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Fig. 5: AF red-light beam
AF red-light beam
8. Autofocus measuring flash
AF operating modes
Two operating modes are available with AF came­ras (depending on the camera model):
• Focusing priority (SINGLE AF):
The shutter can only be released when the subject has been sharply focused by the AF system. If the camera’s AF system is unable to focus sharply, then the shutter cannot be released and the flash cannot be fired.
• Shutter release priority (CONTINUOUS AF)
The shutter can always be tripped, irrespective of sharp focusing.
Shots may be blurred if the release is actuated before focusing has been com­pleted
by the camera.
The AF measuring flash is deactivated in this operating mode!
Please refer to the camera’s operating instructions for further details about the AF modes and their activation.
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☞ ☞
9. Flash techniques and flash functions
9.1 Automatic fill-in flash
Some cameras offer the facility of activating auto­matic fill-in flash control or automatically trigger a fill-in flash.
Fill-in flash will soften harsh shadows and diminish the contrast, thereby producing a more balanced exposure when shooting against the light. The camera’s computer­controlled measuring system automatically selects the shutter speed, working aperture and light output in such a manner that both the main subject in the foreground as well as the background are uniformly exposed.
9.2 Exposure correction
Various cameras enable the user to influence the TTL exposure control.
Accordingly, the camera’s exposure settings can be corrected by up to ± 3 apertures (in one-third or half f-stop settings).
PLEASE NOTE: Do not forget to switch off this function when it is no longer required!
Please refer to the camera’s operating instructions for further details.
9.3 Flash exposure sequences
Some cameras permit a sequence of shots to be taken of the same subject with different exposure parameters.
When this function is activated, three pictures - as an example - can be taken in succession: The first shot is made with a negative flash exposure correction (less light output), the second is normally exposed, and the third is taken with a positive flash exposure correction (more light output). For further details on this function and the settings to be made please refer to the camera’s operating instructions.
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Fig. 6: Fill-in flash in daylight (left without, right with fill-in flash
10. Lighting and attachments
Your mecablitz provides full and even illumination of normal 24 x 36 mm negatives when using len­ses of 35 mm focal length and longer.
A wide-angle diffuser is supplied with the flash­gun to increase the coverage if you wish to use a 28 mm wide-angle lens.
A telephoto attachment (identified with a „T“) is included for telephoto lenses of 85 mm focal length.
PLEASE NOTE: The use of the wide-angle diffuser diminishes the effective range of the flash!
Mounting and removing the attachments
The attachment is swivelled into the bayonet mount (see fig. 7). Turn the attachment clockwise and insert the guiding edge into the case gap.
To remove turn the attachment beyond the retaining spring (see fig.) and withdraw the attachment.
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Fig. 7: Mounting and removing the attachments
guiding edge
case gap
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11. Care and maintenance - Troubleshooting
Remove grime and dust with a soft, dry cloth. Do not use cleaning agents as these could damage the plastic parts.
Forming the flash capacitor
The flash capacitor incorporated in the flashgun undergoes a physical change when the flashgun is not switched on for prolonged periods. For this reason it is necessary to switch on the flashgun for approx. 10 minutes every 3 months and to fire a few flashes The batteries must supply sufficient power to light up the flash-ready light within one minute after the flashgun was switched on.
Manual firing button
An uncontrolled flash can be fired with the manual firing button (see fig. 8).
Troubleshooting:
If the flashgun does not work as it should in the individual modes, then proceed as follows:
• Switch off the flashgun with the main switch.
• Remove the rechargeable or dry-cell batteries
for a brief period, and then load them again.
Fig. 8: Manually firing button
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1,4
W N T W N T W N T W N T W N T W N T W N T W N T
8 11 16 22 32 45
10 14 20 28 40 56
12 17 24 34 48 67
5,5
8 11 16 22 32
7 10 14 20 28 40
8,5
12 17 24 34 48
4
5,5
8 11 16 22
5
7 10 14 20 28
6
8,5
12 17 24 34
2,8
4
5,5
8 11 16
3,5
5
7 10 14 20
4,2
6
8,5
12 17 24
2
2,8
4
5,5
8
11
2,5 3,5
5
7 10 14
3
4,2
6
8,5
12 17
1,4
2
2,8
4
5,5
8
1,8 2,5 3,5
5 7
10
2,1
3
4,2
6
8,5
12
1
1,4
2
2,8
4
5,5
1,2 1,8 2,5 3,5
5 7
1,4 2,1
3
4,2
6
8,5
0,7
1
1,4
2
2,8
4
0,9 1,2 1,8 2,5 3,5
5
1 1,4 2,1
3 4,2
6
ISO
25/15°
50/18° 100/21° 200/24° 400/27° 800/30°
2 2,8 4 5,6 8 11 16
Table for max. lighting distance
max. distance in m
12. Technical data
Guide number ISO 100/21°: 34 (with telephoto attachment)
28 (without attachment)
20 (with wide-angle diffuser) Lighting for 35mm camera from 35 mm focal length onwards, with wide-angle attachment from 24 mm, and with telephoto attachment from 85 mm focal length onwards.
Colour temperature: approx. 5600 °K Synchronization:
Low-voltage IGBT firing
Flash duration:
1/250 s ...1/45000 s
Number of flashes: Flash recycling time: ca. 100 ca. 6 s at full light output
Lighting: Rectangular Without attachment: horiz. approx. 56°, vertical approx. 40° With W-diffuser: horiz. approx. 75°, vertical approx. 55° With T-attachment: horiz. approx. 25°, vertical approx. 18°
Weight: approx. 160 g Dimensions:
61 mm x 102 mm x 35 mm
Items delivered: Flashgun, attachments (W-diffuser/T = telephoto
attachment), Operating Instructions, 2 batteries CR2.
20
400
[m]
W – 20%
T +20%
5710142028
200
3,557101420
100
2,53,5571014
50
1,82,53,55710
ISO
118
5,6
4
2,8
2
This table indicates a section of the most im­portant maximum lighting distances in different ISO/aperture combinations.
The sticker can be applied to the back of the flashgun.
Lighting distances
400
[m]
W–20%
T+20%
5710142028
200
3,557101420
100
2,53,5571014
50
1,82,53,55710
ISO
118
5,6
4
2,8
2
400
[ft]
W – 20% T +20%
162333466592
200
111623334665
100
81116233346
50
6811162333
ISO
118
5,6
4
2,8
2
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