5. Illumination and wide-angle diffuser

The mecablitz has a rectangular illumination of approx. 58° horizontal and approx. 42° vertical.

This ensures complete illumination of the area cover- ed by a 35 mm lens or longer (24 x 36 mm picture format).

The supplied wide-angle diffuser widens the illumi- nation to the area covered by a 28 mm wide-angle lens.

The following is changed when the wide- angle diffuser is used:

-The actual aperture setting in manual mode. The aperture setting indicated by the aperture calculator is no longer appli- cable in this instance. The next smaller aperture number must be set on the camera.

- The maximum effective range of the meca- blitz in auto mode. It is diminished by approx. one setting on the aperture calcula- tor.

It may be prudent to check prior to the actual expo- sure whether the light is sufficient for the selected aperture. The procedure for this is described in chap- ter 9 „Correct-exposure indication“.

The wide-angle diffuser is placed over the reflector and k pressed on until it locks in at the sides.

The use of lenses with a focal length shorter than 35 mm will result in shadows on both sides due to declining light. The wide-angle diffuser widens the illumination area to match the coverage of a lens of 28 mm focal length.

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Metz 28 C-2 operating instructions Illumination and wide-angle diffuser