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2. PRINCIPAL FEATURES
(1)
Continuous Focusing
-
CF
Continuous focusing from
infinity
t
o the
minimum
objec
t
distance
of
1.1
meters
Ifor 350mm
F5.61
o
r
1.7 m
eters
Ifor
500mm FS) is permitted.
The
m
ax
im
um
macro
magnification ratio
at t he mini·
mum
object distance of 1.
1
meters
is
1
:2.5
(f or
350mm
F5.61
or
1:3
(f
or
500mm
F8
at
the
m
in imum
object
distance
of 1.7
meters).
121
Tolo·Macro Capability
Y
our
new mirror lens features
a "tele-
macro"
capab
ility
which permits photo
-
graph ing an object
in
m
acro
mode as
close as 1.
1
m
eters
Ifor
350mm
F5.6
1
o
r
1.7 meters
Ifor
500mm
FB
I.
The lens has
opened
up new
horizo
ns for
macro
photography
which
have been
almost impossible in
the past; you can
photograph
objects which were
normally
restricted,
d istance wise, such as insects.
timid animals, accessories
in
a show win-
dow,
birds in a cage, etc.
in
mac ro
mode
without
c losely approach ing
the
obj
ect.
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