Mamiya C330S, Инструкция по эксплуатации, Страница: 36 / 49

Mamiya C330S: Page 33
Accessories 33
Filter
Filters are available in five
types: SY48 (Y2), SO56 (O2),
SL39 (UV), YG, SL-1B
(skylight). Filter sizes for each
lens are shown in the
system
chart .
· When using a 49mm diameter
filter, employ the 49mm filter
for Mamiya C; otherwise
attaching the lens hood might
be impossible. When you order
filters, always specify the
Mamiya C Professional type.
· To attach a filter to a lens of
49mm filter diameter, place
your palm on the protective
lens ring screwed into the front
barrel of the lens, turn the ring
counter-clockwise to remove it,
and then screw in the filter.
When a filter is not used,
always replace the ring to
protect the lens barrel.
Lens Hood
There are four different types of
lens hoods available for
interchangeable lenses.
1. Lens hood for 55mm lens
*
.
2. Lens hood for 65mm lens
*
3. Lens hood 48mm ø for
80mm f/2.8, 105mm f/3.5 DS
and 135mm f/4.5 lenses.
4. Lens hood for super 180mm
and 250mm lenses
*
.
*
Marked lens hoods have a
side plate which can be
inclined. Attach the lens hood
to the lens with this plate
upward. When light reflected
from the lens hood to the
viewing lens becomes annoying
while focusing, due to a certain
light condition, incline the side
plate to eliminate the annoying
reflection.
· All of these lens hoods are
comparatively new type
attached only to the taking lens.
Old type lens hoods are also
acceptable.
Diopter Lens
For persons whose vision is not
adapted to the magnifier (-1.5
diopter) mounted on the
focusing hood as standard
equipment, five additional types
of lens (-3,-2,0,+1,+2 diopters)
are available to effect diopter
correction.
Lens Case
To protect and easily carry
interchangeable lenses, the
following hard cases (4 types)
are available:
(1) Case for 55, 80, and 105mm
lenses
(2) Case for 65 and 135mm
lenses
(3) Case for 180mm lens
(4) Case for 250mm lens
Soft Lens Case
The soft lens case is widely
applicable to protect
interchangeable lenses for the
Mamiya C Professional or to
store accessories.
This case also can hold lenses
for the Mamiya Press and
Mamiya RB.
Focusing Screen
A focusing screen is necessary
to focus quickly and accurately.
Mamiya offers the following
seven types, and advises you to
use these focusing screens by
changing them according to the
lens used, the photographing
purpose, and/or the subject
condition. Each focusing screen
has exposure factor
graduations.
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