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The aperture ring, Manual exposure, En-9 english – FujiFilm Lens Hood for XF 80mm f/2.8 R LM OIS WR Macro Lens User Manual

Page 19: Aperture ring

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EN-9

ENGLISH

The Aperture Ring

Rotate the lens aperture ring to choose
the aperture (f-number).

8

5.6 4 2.8

11

16

22

A

Aperture ring

Manual Exposure

The aperture indicated on the camera
and lens is for a subject at infi nity. While
at non-macro ranges this has no eff ect on
exposure, in macro photography the ef-
fective aperture slows as the distance to
the subject drops. When setting exposure
manually, add the following exposure fac-
tor to the value given by the exposure
meter.

Reproduction ratio

Reproduction ratio

11

∶∶

55

11

∶∶

33

11

∶∶

22

11

∶∶

1.5

1.5

11

∶∶

11

Focus distance (m)

Focus distance (m)

0.54

0.38

0.31

0.28

0.25

Eff ective f-number

Eff ective f-number

3.1

3.2

3.4

3.6

4.0

Exposure factor (EV)

Exposure factor (EV)

+

⁄

+

⁄

+1