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6.
Focusing at a predetermined reproduction ratio
The reproduction ratio is the relation between the size of the
image recorded on film and the actual subject size. If, for example,
the image on the focusing screen is one-fifth the actual subject
size, the reproduction ratio is 1:5.
To photograph at a predetermined reproduction ratio, use the
following procedure:
a
Manually turn the focus ring until the desired reproduction ratio
scale number is aligned with the distance index line.
b
Aim at the subject, then change your position, moving closer to
or farther away from the subject, until the image in the
viewfinder sharpens.
To obtain the appropriate reproduction ratio for each focused
distance, see the table on page 150.
7.
Notes on close-up photography and duplication work
Camera shake
The AF-S Micro NIKKOR 60mm f/2.8G ED provides such
exceptionally high image magnification that even the slightest
movement during shooting can cause the image to blur. Be sure to
mount the camera on a tripod and use a cable release or remote
cord to release the shutter.
Close working distance
At the high reproduction ratios used in close-up shooting, the depth
of field is very shallow. To ensure greater depth of field, stop down
the lens, then carefully position the camera to ensure the most
important surface of the subject is in the same zone of sharp focus.
• Use manual focus when using the close-up lens.
Close-up
attachment
Reproduction
ratio
Subject field (cm/inch)
Focused distance
(cm/inch)
No. 5T 1/11.1–1.07
26.7 x 40.0 – 2.24 x 3.36 /
10.50 x 15.70 – 0.88 x 1.32
80.6 – 18.5 /
31.7 – 7.3
No. 6T 1/5.7 –1.14
13.6 x 20.5 – 2.11 x 3.16 /
5.35 x 8.07 – 0.83 x 1.24
48.2 – 18.5 /
19.0 – 7.3
No. 5T + 6T 1/4.2 –1.20
10.0 x 15.0 – 2.00 x 3.00 /
3.93 x 5.90 – 0.79 x 1.18
41.2 – 18.5 /
16.2 – 7.3