139 Data Back
This
accessory
interchanges
w
ith
the standard
ca
mera back and prints the date (day,
month
and
year
)
as we ll as
other
data d irectly onto your
photographs. The data back operates
cordless
via
a spec
ial
LED relay
wh ich sends the signa
l
to
record
w
hen
you release
t he shutter.
In
add
iti
on
to being
highly
usefu
l
for
dat
ing
snapshots,
trave
l
photos and
the
li
ke, it
also has a w ide
range
of
app
li
cat
ions in
the f ields of science and industry
for
dating and record ing
resea
rch
and
techni
ca
l
data. Check w
ith
your dea ler for
the
availabi lity
date of th is accessory.
86
Cable Switch S
Cab le Switches are electro
ni
c
off-camera
release
devices
wh
ich have
a si
mi
lar fun ction to
a
cab
le
rel
ease
but
a w ider range of app licat ion.
Th
ese
con nect
to the
camera
's release
socket to trigger
the
shu
tter
electronical
ly and are lockab le
for
pro longed
release
or
multip
le
release
in
conjunc-
tion
w
ith
the wi nder. Ava
il
ab
le
in
four
lengths
30 cm
,
1
meter
, 3
m
and
10
m.