Metz 76 MZ-5 User Manual download pdf (Page 85)

Manual zoom adjustment

If the flash unit is used with an SCA adapter from the SCA 300 system, a

standard foot 301 or a camera unable to transmit the focal length data, the

zoom position of the flash reflector must be set by hand. In this case, M-

Zoom appears in the display.

If you use a zoom lens and do not always require the full guide num-

bers and range of the flash unit, you can leave the position of the

zoom reflector at the beginning focal length of the zoom lens. This will

guarantee that your picture is always completely illuminated. In this

way you can spare yourself the continuous adjustment of the focal

length of the lens.

Example:

You use a zoom lens with a focal length range of 35 mm to 105 mm. In this

example you set the position of the zoom reflector to 35 mm!

Manual adjustment of the zoom position in A zoom

The zoom position of the reflector can also be changed when operating the

flash unit with an adapter from the SCA 3002 system and a camera that

transmits data in order e.g. to achieve particular lighting effects (e.g. hot spot

etc):

After saving, M-Zoom appears in the display.

Returning to A-Zoom mode

• Tap the camera release lightly so that data exchange can take place bet-

ween the flash unit and the camera.

• Change the zoom position repeatedly until A-Zoom appears in the display.

10. Manual flash exposure correction

The automatic exposure system of the mecablitz and most cameras is based

on a subject reflection factor of 25 % (average reflection of subjects shot with

flash). A dark background that absorbs a great deal of light, or a highly

reflective bright background (e.g. when shooting against the light), can result

in overexposure or underexposure.

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To compensate for the aforementioned effect, the exposure can be manually

corrected with a correction value adapted to the given photographic situa-

tion. This correction value depends on the contrast between subject and

background!

In the TTL and A mode of the flash unit, manual flash exposure correction

factors of -3 EV to +3 EV (f-stops) can be set in one-third increments.

Many cameras have a setting element for exposure corrections which can

also be used in the TTL flash mode. Please refer to the explanations in the

operating instructions for the given camera and the SCA adapter.

Dark subject in front of a bright background:

Positive correction value (approx. 1 to 2 f-stops EV).

Bright subject in front of a dark background:

Negative correction value (approx. -1 to -2 f-stops EV).

Entering a correction value may result in a change of the maximum flash ran-

ge indicated on the display of the flash unit and its adaptation to the correc-

tion value (depending upon the camera type and SCA adapter)!

A manual flash exposure correction in TTL flash mode can only be

made if the camera and the SCA adapter (only SCA 3002 system)

support this function (see operating instructions of camera and SCA

adapter)! If the camera or the SCA adapter do not support this func-

tion, the correction value set will remain ineffective.

The manual flash exposure correction value must be set in various camera

types. No correction value is then shown in the display of the flash unit.

11. Fill-in flashes

11.1 Automatic TTL fill-in flashes

Most cameras automatically activate fill-in flash when in full mode, program-

me auto mode “P” and in the image control modes during daylight (see

camera operations instructions).

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Metz 76 MZ-5 User Manual Page 85

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