Zhumell RF645 manual References, Exposure Measuring Range and Ev

6. References

Exposure Measuring Range and Ev

The exposure measuring range with the RF645 is EV3 to 18 (with ISO 100 film).

For example: If EV 14 is the correct exposure with ISO 100 film, the shutter speed setting will be 1/250 sec. when f8 is set to the aperture ring. If the aperture is adjusted to, in the above case, the shutter speed setting will become 1/125 sec.

*An EV 14 is the brightness outdoors on a bright sunny day.

ZENZANON-RF

45mm F4

ZENZANON-RF

65mm F4

ZENZANON-RF

100mm F4.5

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