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Specification

Manufacturer description #1

As LEICA R4, but with shutter speed priority and manual operating modes combined with the two exposure measuring methods (Leitz selective measurement and Leitz largefield Integral measurement). Serial No. from 1632551.

LEICA R4s MOD. 2, available from 1986: as LEICA R 4s, but with override for single-hand operation and optimised mode selection switch. Serial No. from 1655485.

Manufacturer description #2

Special features of the LEICA R4s:

• The LEICA name promises dependable functions and consistently high performance even under constant use.
• The dual exposure measuring methods allow for successful photography even under difficult light conditions.
• The timeless, elegant design with its well formulated proportions was conceived with a deliberate ergonomical point of view. It permits professional, fast and consistant photography under all circumstances.
• The LEICA R4s is the basis for a universal systems camera. Lenses with focal lengths from 15 to 800 mm satisfy any photographic requirement.
• Interchangeable focusing screens permit optimum performance of the LEICA R4s.
• Attachable motor winder and motor drive enhance the possibilities of dynamic photography. They improve camera readiness and often are accountable for successful pictures.
• The large, functional LEICA R bayonet assures quick lens changes. Even in continuous, professional use the exacting flange dimensions remain constant.
• The lamellar metal shutter is responsible for the easy film advance of the LEICA R4s and, due to its soft release feature, provides for pictures free from camera shake.

Manufacturer description #3

The LEICA R4s MOD. P was designed to meet the extreme demands of the working professional. It is an electronic SLR with three exposure modes: aperture priority with full field metering, aperture priority with spot metering, and manual operation with spot metering. Switching from spot to full field metering is rapid.

Special features of the LEICA R4s MOD. P:

• The R4s MOD. P accepts all Leitz interchangeable reflex lenses with focal lengths from 15 to 800mm and every reflex accessory.
• Five interchangeable focusing screens permit optimum performance of the camera.
• Attachable motor winder and motor drive enhance the possibilities of dynamic photography.
• The R4s MOD. P has a new exposure override mechanism for use with the camera's two automatic modes. This device permits fast, easy "bracketing" while shooting in the aperture-priority automatic modes (+2 to -2 f/stop range in 1/3 f/stop increments).
• The selected shutter speed in manual mode is shown in the viewfinder.
• The mode selector switch has a new 2-touch lock.
• New "high profile" design of the rewind knob and shutter speed dial makes for faster handling.

From the editor

A simplified version of the R4 made in black only. Compared to the predecessor, it offered only the Aperture-priority Auto and Manual exposure modes.

R4s MOD. 2 (or MOD. P for the North American market) was released in 1986 in black only. It offered rapid switchover from spot to integral metering by pressing the mode selector release.