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Using flash equipment

The LEICA R7 is designed for through-the- lens flash-exposure control in conjunction with SCA- compatible (System Camera Adaption) electronic flash units fitted with an SCA 351 or 551 adapter. TTL-flash exposure metering offers many advantages in various fields of application and is essential for correctly exposed photographs with flash, e.g. in macro- photography, when using zoom lenses or long focal length lenses for portrait shots. Depending on the camera mode selected, it is possible to dosage flash intensity as fill-in flash to lighten up individual subjects (see below).

TTL-flash exposure metering occurs in the full- field integral mode and uses a separate silicon photodiode, well protected from stray light, in the base of the camera next to the photocell for selective/integral exposure metering.

In the modes A , A and P , a flash synchronization speed of 1/100 s is set automatically. Flash readiness and flash control symbols appear in the viewfinder of the LEICA R7 (see below). Via suitable adapters (available in specialty stores), it is also possible to control and activate several flash units simultaneously.

Caution: for all flash applications, the working range of the respective flash unit must be taken into consideration. This may affect the range of apertures that can be set.

When using electronic flash units fitted with an SCA 350 or SCA 550 adapter, the flash light intensity is controlled via the flash unit's metering cell (in the case of computerized flash units), and not through the lens. In the modes A , A and P , a flash synchronization speed of 1/100 s is automatically set. Flash readiness and flash control symbols appear in the viewfinder. Lighting up subjects per dosaged flash does not occur, even though the symbol "￿" (see below) appears in conjunction with the respective camera mode.

In addition, all commercially available flash units with standard coaxial or central hotshoe contacts, but without SCA adapters, can be used. However, if the flash unit is activated only via the central contact, or if a studio flash is attached to the contact [3], the viewfinder display does not change, there is no automatic flash synchronization and no TTL-flash control.

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