Advertisement
OPERATING INSTRUCTIONS
moved
slightly
to the positive
side.
(In
case of
SP
350mm lens,
this
position
is
marked
with
L
-shaped
mark
on
the
dis-
tance scale).
tI
C OU. 1:t
1:
1
00
00
F
o
M
1.7
SP
MM
-
OR • •
_
~
I
THE M
5° BBAR
,.
-
I
b
.
Focusing
I n M acro Mode
The depth
-of-f
ield becomes
extreme
ly
shallow
when you
use an ultra-telephoto
lens
in the macro mode.
Y
ou
should first
practice
focusing
prior to photographing
any subjects and you may also want
to
take a test roll of
film. If
your camera
accepts
interchangeable
screens
you
should
use
a cross-screen and
in
addition,
a viewing magnifier would greatly assist
you.
(3) Macro Operation
The
Tamron
mirror
lens
has a new fea-
ture which permits continuous focusing
from
infinity
to macro and no additional
special operation
is required for
macro
use. On the focusing ring, the macro
magnification ratios are
shown
in
orange.
In
addition, the
magnification
ratios
for
use with the
SP
2X tele-converter
{which
doubles the focal length
of
the
lensl
are
engraved
in yellow. Simply
set
the
lens
at
the d
esired
macro magnification scale
and then focus the lens.
Advertisement
