33
•
Lens Specifications
Table
* Indicates chrome-finish lens
**
Indicates black finish lens
Filter
Lens Hood
Close-Up Capabilities
Picture
Lens Composition
Angle
Diameter
Diameter Shortest Distance
Subject Coverage
Shutter
(
mm
)
(
mm)
from
Film
to
Subject
55mm
f/
4.5
9 element
70
°
30'
46
9
48
9
7 group
65mm
f/3.5
6 element
63
°
49
9
50
9
5 group
80mm
f/
2.8
5 element
50
°
40
'
*40.59
*
42
9
3 group
**
46
9
**
48
9
105mmf/3
.5
4
element
41
°
20'
*40.59
*
42
9
3 group
**469
**48¢
135mmf/4
.5
4
element
33
°
46
9
3 group
180mmf
/
4.5
4 element
24
°
30'
49
9
3 group
Super
5 element
24
°
30'
49
9
180mmf,'4.5
4 group
250mmf/6.3
6 element
18
°
49
9
4 group
Among
interchangeable lenses, there are
two
different
types
of
lenses
for
the
same focal
length:
(1) Black finish
lenses (Side Reading System) which indicate
the
shutter
speed and aperture scale
on
side
of
the
lens, observable
from
above
the
camera being hand
held;
(2) Chrome-finish
lenses (Front Reading System) which indicate those scales
on
the
front
of
the
lens. Those
of
you who own older type
48
¢
50
¢
50¢
50
¢
9'1/2
in.
2-17/32 X 2-17/32 in
Seiko
(
24.1cm
)
(
6.4
x
6.4cm
)
10-
11
/16 in.
'
..
2-21/32 x 2-21/32 in.
Seiko
(
27.1cm)
(6.7x6.7cm)
1
ft
. 1-
15
/16 in.
3-
25
/
64
x 3-
25
/64 in.
Seiko
(
35.4cm
)
(
8.6
x
8.6cm
)
2
ft.
1.
25
/64 in.
8-
19
/32 X
8-
19
/32 in.
Seiko
(
64.5cm
)
(
21.8
x
21.8cm
)
2
ft.
11.
1
/2
in.
9-
15
/16 x
9-
15
/16 in.
Seiko
, (
90.2cm
)
(
25.2
x
25.2cm
)
4ft.2in
.
10
-11/16 x
10-
11
/16 in.
Seiko
(
1m
27cm
)
(2
7.2
x2
7.2cm
)
4ft.2in.
10-
11
/16 x
10-
11
/16 in.
Seiko
(1m
27cm)
(
27
.2 x
27
.2cm)
6ft.
8-
3
/4
in.
lft.
1
/4
in. x
lft.1/4
in.
Seiko
(
2m
05cm
)
(
31.1
x
31.1cm
)
lenses,
of
course,
can
use
them
with
your Mamiya
C330
.
Filters
and lens hoods can
be
commonly used between
these different types
of
lenses except
the
80
mm
f/
2.8
lens and
105
mm
f/ 3.5 lens, because
the
diameter
of
the
filters
and
of
lens hoods
for
these
two
lenses
differ
accord-
ing
to
the black finish
type
and chrome-finish
type
.
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