Kowa SIX Version II - Kowa Six Close-Up Photography with Extension Tubes

CLOSE-UP
PHOTOGRAPHY
|
NOTE:
1.
when
using
extension
tubes,
depth-of-field
becomes
extremely
shal-
WITH EXTENSION
TUBES
word odio iue n Male аа аа RE
of- field.
2. In close-up photography, the effect of camera or subject movement is
greatly magnified. Therefore, to obtain maximum sharpness, it is im-
portant to use a tripod or other support for the camera.
3.In close-up photography lift the mirror up as far as circumstances permit.
(You can substitute self timer for mirror-up).
Я
Minimum
Image
t
ў
:
A
Extension
Tubes
Taking
Distance
Magnification
Combinations
ban
55mm85mm|
|
Qmm
|
50mm 55mm
85mm|
|
Omm|
50mm
Ts l6mm | 30cm44cm56cm 95cm 10.57 0.37 0.3%0.2%
Kowa
extension
tubes
Tl,
T2,
and
T3
may
be
T2
32"
27
37
48
78
0.8
0.5 0.5
0.4
used
separately
or
in
any
combination.
Full
Ti
75
"
28
33 63
i
;
0.9
0.6
automatic lens operation is not affected by the
l
1
i
I
Я | hi "a" |
extension
tubes.
Attaching
or
detaching
is
done
тэта
|
49
v
27
34
69
|
|
0.6
0.5
in the same way as for interchangeable lens.
When
using
extension
tubes,
the
speed
of
the
Ti
Tà
9|»
29
34
61
L0
0.7
| lens is effectively reduced because of the great-
er
distance
the
light
must
travel
within
the
107
»
30
34 60
. l
1.2
0.8
camera to reach the film plane. This effective
F/stop
reduction
increases
as
more
extension
Image
Magnification
X02
OA 06 08
10.
127
14
1B.
18120
22
tubes are added. To compensate for this effect,
i
increase
exposure
according
to
the
exposure
Exposire-Füdlor
I4
20
26
32
40
48
58
68
78
90
102
factors given in the table.