Pentax ME-F ME-F Manual - Page 31

conventional

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Use with other cameras: The 35mm-75mm Auto Focus Lens may also be used as a standard non auto-focus zoom lens with all other 35mm Pentax cameras featuring the standard Pentax Bayonet Mount. In this instance, set the power switch to OFF and focus in the conventional manner. BATTERIES: Sufficient voltage is needed for complete auto focus. When the lens no longer rotates on pressing the focusing button, the batteries are depleted. The lens can still be focused with the TTL Electronic Focusing System or manually, but for complete auto focus replace all four batteries immediately. (For TTL Electronic Focus, see page 30, for manual focus - page 38). Lens Batteries: Battery life will vary from a short time to several months depending upon frequency of operation of the lens. Should batteries require replacement, replace all four with equivalent AAA-size alkaline or manganese batteries. Do not mix brands and types, or old and new batteries (this is dangerous and could actually shorten battery life). Camera Batteries: Auto Focus is also no longer possible when camera battery voltage is insufficient for the focusing LEDs to light. For continued auto focus in this instance replace all four batteries together with equivalent silver-oxide batteries; do not use alkaline batteries or mix battery brands and types (See "Battery care," page 11). Power Switch: The power switch can be left on while using the lens. When inserting the lens in its case or storing, however, set the switch to OFF. Also set the switch to off and remove battereis when not using the lens for an extended period of time. 27.

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Use
with
other
cameras:
The
35mm-75mm
Auto
Focus
Lens
may
also
be
used
as
a
standard
non
auto
-focus
zoom
lens
with
all
other
35mm
Pentax
cameras
featuring
the
standard
Pentax
Bayonet
Mount.
In
this
instance,
set
the
power
switch
to
OFF
and
focus
in
the
conventional
manner.
BATTERIES:
Sufficient
voltage
is
needed
for
complete
auto
focus.
When
the
lens
no
longer
rotates
on
pressing
the
focusing
button,
the
batteries
are
depleted.
The
lens
can
still
be
focused
with
the
TTL
Electronic
Focusing
System
or
manually,
but
for
complete
auto
focus
replace
all
four
batteries
immediately.
(For
TTL
Electronic
Focus,
see
page
30,
for
manual
focus
—
page
38).
Lens
Batteries:
Battery
life
will
vary
from
a
short
time
to
several
months
depending
upon
frequency
of
operation
of
the
lens.
Should
batteries
require
replacement,
replace
all
four
with
equivalent
AAA
-size
alkaline
or
manganese
batteries.
Do
not
mix
brands
and
types,
or
old
and
new
batteries
(this
is
dangerous
and
could
actually
shorten
battery
life).
Camera
Batteries:
Auto
Focus
is
also
no
longer
possible
when
camera
battery
voltage
is
insufficient
for
the
focusing
LEDs
to
light.
For
continued
auto
focus
in
this
instance
replace
all
four
batteries
together
with
equivalent
silver
-oxide
batteries;
do
not
use
alkaline
batteries
or
mix
battery
brands
and
types
(See
"Battery
care,"
page
11).
Power
Switch:
The
power
switch
can
be
left
on
while
using
the
lens.
When
inserting
the
lens
in
its
case
or
storing,
however,
set
the
switch
to
OFF.
Also
set
the
switch
to
off
and
remove
battereis
when
not
using
the
lens
for
an
extended
period
of
time.
27.