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-ACCESSORIES-continued------------
Close-Up
Equipment
For
shooting subjects which are located closer than the closest
possible focusing distance of the lens, Nikon makes a wide
variety of equipment:
1)
Close-Up Attachment Lenses
Nos.
0,
1,2,
3T.
4T
,
5T.
and
6T.
These lenses screw into the front of the lens just like filters
to magnify the image. Exposure metering can still
be
done at
full aperture without compensation.
2)
Auto Extension Rings
PK-11,
PK-12
,
PK-13.
These fit between the lens and camera body. Used singly or
in
combination, exposure determination
is
done at full aper-
ture with all AI-type lenses. (The
PK-11
cannot
be
attached to
the AF-Nikkor lenses.)
3)
Bellows Focusing Attachment PB-6.
The PB-6 is also attached between the lens and camera body.
Exposure
is
determined by the stop-down method. The
beauty of this accessory
is
that you can change magnifi-
cations continuously by extending the bellows.
4) Micro-Nikkor
55mm
fI2.
B,
105mm f/4, and 200mm
f/41F.
These specially designed lenses offer continuous focusing
from infinity down to 1/2X lifesize.
To
obtain 1/2X to 1 X mag-
nification with
an
AI
Micro-Nikkor lens, the use of
an
auto
extension ring
is
required: the
PK-13
for the 55mm
f/2
.
B,
and
the
PN
-
11
for the 105mm f/4; to obtain magnifications from
infinity up to
1X
with the 200mm f/4
IF
, use the Nikon
Tele-
converter
TC
-300. Even with these accessories, exposure
is
determined at full aperture. Note that
in
close-up photography,
depth of field
is
generally shallow. Thus, you should stop down
as much
as
possible when photographing a subject with great
depth. Since Micro-Nikkor lenses are not compatible with the
F3AF's autofocus and focus-aid functions, focusing must
be
done by manually rotating the focusing ring @ while using the
matte portion of the DX-1's focusing screen. For critical
60
focusing
in
close-up photography, the use of a suitable inter-
changeable focusing screen and accessory viewfinder
is
recommended.
When using close-up equipment such as a bellows unit or exten-
sion ring(s) attilched between the F3AF camera body and
lens, focus-aid operation depends
on
lens extension from the
camera's mounting flange, as shown
in
the following table.
For lenses not appearing
in
this list, focus-aid operation
is
im-
possible with any close-up equipment attached.
In
addition,
focus-aid operation cannot be performed when a lens
is
mounted
in
the reverse position.
Notes:
1)
The
F3AF's meter coupling lever ® should be pushed up before
at
-
taching
a bellows unit
or
non-AI extension rings, such
as
the
PK
-I, 2,
3,
PN-I,
etc
.
2)
Before attaching the PB-6 to the
F3AF,
the
OX
·1 Finder should
be
first
removed from the camera body.
3) Auto Extension Rings
pK-1
and
PK
-
II
, Extension Ring
KI
and Auto
Adapter Ring
BR
-4 cannot be attached to AF-Nikkor lenses.