Contax TLA30 Manuale di istruzioni - Pagina 4

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For example, if you choose f/5.6 with ASA/ISO 100 film in the camera, you will need to align the extreme right of the white band on

the Auto Flash Range Guide with the "5.6 " mark on the Exposure Computer Dial. In so doing, you will obtain correct flash exposure

over an effective flash range between approximately 0.7 and 5 meters. Your subject will be correctly exposed within this flash

range.

Note: The " " mark will flash even when your subject is shot closer than the effective flash range. However, in this case, your

subject will be overexposed.

b) On completion of the auto flash exposure, the camera reverts to the non-flash auto exposure function until the flash unit has

recycled;

c) When checking the after-exposure flash function without film loaded in the camera, lay the flash test sheet supplied with the flash

unit over the film plane to ensure sufficient reflection surface.

<Auto Flash with the

Lock>

When shooting subject against a dusky background or in a room of great depth, often your main subject is properly exposed but the

background comes out dark and flat In this instance you can obtain a more natural and better lighting balance between your subject

and background by employing direct TTL Auto flash with the AE Lock of the camera.

1) Set the lens aperture after making sure that the camera's shutter control dial has been set on "A" and the flash unit on "TTL".

Note: In the case of the Contax 137 MA/MD Quartz and Contax 139 Quartz, the shutter speed is locked in.

3) When the LED mark " " inside the viewfinder lights, take the picture.

a) The AE Lock can be set either before or after the flash unit has charged.

With AE Lock

Without AE Lock

(5) Set the Aperture. Rotate the aperture ring to the desired aperture setting.

Because of the direct TTL metering feature, you can freely select any aperture within

the full aperture range of the lens in use. The effective flash range varies with the

aperture setting in use.

(6) Make the Flash Exposure Focus and press the shutter

release. After the exposure, the " " flash data indicator inside the

viewfinder will flash for about a second and then extinguish itself

if your subject was within effective flash range. It the indicator fails

to light, open up the aperture setting or shorten the flash-

to-subject distance and re-shoot.

a) In addition to flashing at the synch shutter speed, the "OVER" mark inside the

viewfinder will also flash as shown when shooting against the light or with daylight

synch flash. This indicates that the reading for the correct shutter speed is faster

than the synch shutter speed. If the exposure is made in such a situation without

any adjustment, the background will be overexposed showing a washed out effect.

To overcome this, close down the aperture ring until the "OVER" indication goes

away; then, shoot.

b) The same effect as when the AE Lock is used can be

obtained by leaving the flash unit on "TTL" and setting the

camera's shutter speed at 1/60 second or slower. However,

with the AE Lock, it is a much simpler task and produces

much more expressive results.

2) Compose your photograph in the viewfinder,

focus and then set the camera's AE Lock. The

exposure is locked at the value appropriate for the

subject at the time the lock was set, and the

corresponding shutter speed flashes.