Pentax LX LX Manual - Page 39

Shutter, speed, Terminal, speeds, Electronic, flash, Manual, Usable, bulbs, MF-type

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OTHER FLASH UNITS Your LX camera is designed to accept a wide array of flash models using either the built-in hotshoe of the standard FA-1 Viewfinder or the syn- chronization terminals at the front of the camera body. The "X" termi- x nal is for synchronization of electronic flash or F-type and MF-type bulbs; the "FP" terminal for synchronization with focal plane bulbs. The LX system offers you the unique option of synchronization even with non-dedicated electronic flash units with the shutter dial set at "Automatic." In addition, manual speeds from "X" through "B" may be used. On "Automatic" the synchronization range is between 1/30th second and 4 seconds. Do not use "Automatic" for flash when the viewfinder indicates a faster speed or the complete frame will not be exposed; be sure to take precaution against picture blur when long exposures are indicated. The chart below represents the usable synchronizations with both elec- tronic flash and bulb-type flash units. Shutter speed X000 X000 Y500 /125 X /'1/60 130 115 1/ /8 1/ 4 1/ 2 1 25 4S B Terminal Electronic Auto speeds flash Manual speeds FP-type bulbs I I I Usable speeds I X FP F-type, MF-type bulbs I X 37*

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OTHER
FLASH
UNITS
Your
LX
camera
is
designed
to
accept
a
wide
array
of
flash
models
using
either
the
built-in
hotshoe
of
the
standard
FA
-1
Viewfinder
or
the
syn-
chronization
terminals
at
the
front
of
the
camera
body.
The
"X"
termi-
nal
is
for
synchronization
of
electronic
fl
ash
or
F
-type
and
MF-type
bulbs;
the
"FP"
terminal
for
synchronization
with
focal
plane
bulbs.
The
LX
system
offers
you
the
unique
option
of
synchronization
even
with
non
-dedicated
electronic
flash
units
with
the
shutter
dial
set
at
"Automatic."
In
addition,
manual
speeds
from
"X"
through
"B"
may
be
used.
On
"Automatic"
the
synchronization
range
is
between
1/30th
second
and
4
seconds.
Do
not
use
"Automatic"
for
flash
when
the
view-
finder
indicates
a
faster
speed
or
the
complete
frame
will
not
be
exposed;
be
sure
to
take
precaution
against
picture
blur
when
long
exposures
are
indicated.
The
chart
below
represents
the
usable
synchronizations
with
both
elec-
tronic
flash
and
bulb
-type
flash
units.
x
Shutter
speed
X000 X000
Y500
/125
X
'
/
1
/
6
0
1
30
1
15
/
1
/
8
1
/
4
1
/
2
1
25
4S
B
Terminal
Auto
speeds
Electronic
X
I
I
flash
Manual
speeds
I
Usable
speeds
FP
-type
bulbs
I
FP
F
-type,
MF-type
bulbs
I
X
37*