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Metz MECABLITZ 40 AF-4 M Manual

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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 came-
ra’s sensor.This sensor measures the light rea-
ching 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 auto-
matically 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.
Controllo flash TTL
Il mecablitz può ricevere informazioni soltanto da una
fotocamera che dispone di controllo TTL del flash.
La misurazione dell’esposizione nel modo TTL viene
effettuata da un sensore incorporato nella fotocame-
ra. Questo sensore rileva l’intensità della luce che
raggiunge la pellicola attraverso l’obiettivo
(TTL=Through The Lens). Non appena l’erogazione
luminosa è sufficiente per la corretta esposizione, il
circuito di controllo elettronico della fotocamera
interrompe l’emissione del lampo. Il vantaggio di
questo tipo di funzionamento è che tiene conto auto-
maticamente di tutti i fattori che influiscono sull’es-
posizione, come la presenza di filtri, le variazioni di
diaframma o di focale con obiettivi zoom, etc.. Non
dovrete più preoccuparvi di regolare il lampeggiato-
re, i circuiti elettronici della fotocamera provvedono
automaticamente a un dosaggio corretto della quan-
tità di luce lampo necessaria per una corretta esposi-
zione. Inoltre alcune fotocamere offrono la possibilità
di scelta tra diversi sistemi di misurazione (per es. la
misurazione a matrice, spot e semispot).
Control de destello TTL
El mecablitz recibe su información exclusivamente
de una cámara de control-TTL.
En el funcionamiento „TTL“ la medición de la
exposición es realizada por un sensor en la
cámara. Este mide a través del objetivo la luz
que llega a la película (TTL = Through The
Lens). Si se alcanza la cantidad de luz precisa,
la electrónica de la cámara desconecta el flash.
La ventaja de este funcionamiento es que todos
los factores como filtros, variaciones de
diafragmas y distancias focales en objetivos
zoom pueden influir en la exposición. No tiene
que preocuparse por el ajuste de flash, la elec-
trónica de la cámara prevé la dosis de luz de
flash correcta. Además puede aprovechar
distintos métodos de medición que ofrecen
algunas cámaras (p.e. medición punto (Spot),
medición matricial, medición integral con pre-
ponderancia central.
Para el funcionamiento TTL el selector de tipos de
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