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Depth of field lever

When you use a lens with an automatic diaphragm, the exposure meter of the LEICA R7 works at full lens aperture. Press the depth of field lever [5] to close the lens diaphragm to the preset value; when it is in this position, you can visually check the depth of field. This is particularly useful for close-ups.

Caution: To avoid misleading exposure meter readings, do not press the depth of field lever while taking a reading.

Depth of field scale on lens

The depth of field scale [11] on the lens indicates the depth of field available for the focusing distance at the aperture you have set.

For example, when focusing a SUMMICRON-R f/2/50mm lens at 5m, the depth of field at f-stop 11 is from 3 m to about 20m. At f-stop 4, the field is in focus from about 4m to 8m. The Leica depth of field table (Order no. 920003) contains full details of the depth of field available at any focal length.

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