6. Bounce flash

with secondary reflector

6. Bounce flash

Fig. 15: Bounce flash with switched-on secondary reflector

￿

The secondary reflector

produces frontal fill-in light when bouncing the flash.

Use of the secondary reflector is only advisable for bounce flash photography.

The secondary reflector

is switched on and off with the switch

.

Symbols on the LC display

indicate that the secondary reflector

is on

(Fig. 16). If these symbols flash, you are advised that the main reflector is not til- ted and that use of the secondary reflector is not expedient.

When the secondary reflector is activated, 90% of the light will be emitted by the main reflector , and approx. 10% by the secondary reflector .

The stated percentages may vary when using the flash with partial light output levels and switched-on secondary reflector.

If the light from the secondary reflector is too bright, it can be diminished by attaching one of the two light reducing filters. They are at the back of the main reflector and their characteristics are as follows:

•1 light grey filter with the symbol „-1“ reduces the amount of light to half the original brightness.

•1 dark grey filter with the symbol „-2“ reduces the amount of light to one quarter of the original brightness.

Fig. 16: Switching on the secondary reflector - Display

Mounting the light reducing filter:

•Tilt the main reflector

90° upwards.

•Remove the required light reducing filter from the back of the main reflector.

•Slip the light reducing filter on the secondary reflector , over the AF measuring beam aperture, and allow it to lock in place.

Bouncing the flash in the auto and TTL modes

It is advisable to check prior to the actual exposure whether the light is sufficient for the selected aperture. Proceed in the manner described in ch. 14, p. 47.

Bouncing the flash in the manual mode

The required camera aperture in the manual mode is best established with an exposure meter. Observe the following rule of thumb if an exposure meter is not available:

Guide number

Camera aperture =

Light distance x 2

to establish a guide value for the aperture that can then be varied by + 1 f-stop for the actual exposure.

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Image 14
Pentax 40 MZ-3i Mounting the light reducing filter, Bouncing the flash in the auto and TTL modes, With secondary reflector