Battery Chamber - Nikon MD-4 Instruction Manual

CONTROLS IN DETAIL

Battery Chamber (13)

Instead of using a separate battery pack, the MD-
4 houses its batteries in a built-in battery cham-
ber. The standard MS-3 Battery Clip accepts 8 AA-
type penlight batteries to power the motor drive
up to 4 frames per second. Once the motor drive is
attached, the camera gets all its power from the
batteries in the motor drive. In this way, the
camera is able to run on high capacity batteries.
As a separate accessory, the MD-4 accepts the MN-
2 NiCd Battery Unit for extremely high-speed shoot-
ing up to 6* fps. Since NiCd batteries are better
able to maintain their peak performance in cold
temperatures, the camera/motor drive combination
will still operate down to -20 C. The following
table lists the firing rates according to power
source (Table 1), while the bar graph gives you
the expected life of various battery types under
ordinary temperatures (Table 2).
continued
* Possible when shutter speed is 1/125 sec. or above and
the mirror is locked in the "up" position.
Table 1
Shutter speed
range (sec.)
1/125 - 1/2000
1/125 - 1/2000
mirror up
Table 2
Zinc-Carbon
Alkaline-
manganese)
NiCd Battery
Unit MN-2
The range of guaranteed firing rates
The range within operative battery power but
without gurantee of the specified firing rates
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Power source
AA penlight AA penlight
batteries batteries
(Zinc-carbon) ( A l k a l i n e -
manganese)
3 . 8 3 . 8
4 4
(Number of 36-exposure rolls)
60 100
60
60 70
(frame/sec.)
M N - 2 MA-4(AC/DC
battery converter)
(NiCd)
5 . 5 5
6 5 . 5
140
15