Sony BVF-20W User manual

ELECTRONIC VIEWFINDER
BVF-20W/20WCE
OPERATION MANUAL [Japanese/English/German]
1st Edition (Revised 1)
Serial No. 10001 and Higher (UCJ)
Serial No. 40001 and Higher (EK)

WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
Dangerously high voltages are present inside
the set. Do not open the cabinet. Refer
servicing to qualified personnel only.
For the customers in the USA
This equipment has been tested and found to comply with
the limits for a Class A digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own
expense.
You are cautioned that any changes or modifications not
expressly approved in this manual could void your authority
to operate this equipment.
The shielded interface cable recommended in this manual
must be used with this equipment in order to comply with the
limits for a digital device pursuant to Subpart B of Part 15 of
FCC Rules.
For the customers in Europe
WARNING
This is a Class A product. In a domestic environment, this
product may cause radio interference in which case the user
may be required to take adequate measures.
Pour les utilisateurs en Europe
AVERTISSEMENT
Il s’agit d’un produit de Classe A. Dans un environnement
domestique, cet appareil peut provoquer des interférences
radio, dans ce cas l’utilisateur peut être amené à prendre
des mesures appropriées.

1(E)
English
Table of Contents
Outline .................................................................................................. 2(E)
Location and Function of Parts.......................................................... 3(E)
Attaching the Viewfinder to a Camera.............................................. 5(E)
Adjusting the Focus and Screen......................................................... 6(E)
Detaching the Eyepiece ....................................................................... 7(E)
Attaching the Microphone .................................................................. 8(E)
Name and Function of the Indicators .............................................. 10(E)
Cleaning the Screen or Interior........................................................ 11(E)
Specifications...................................................................................... 12(E)

2(E)
Outline
The BVF-20W/20WCE is a wide-aspect 2-inch screen
(aspect ratio 16:9) viewfinder which can be attached to
a Sony BVP-550 series color video camera.
The BVF-20W/20WCE has the features described
below.
16:9 display
16:9 or 4:3 display can be selected by camera setting.
The wide-aspect 2-inch CRT allows uncompressed
16:9 display.
High-Performance CRT
•Quick-start type (The image appears as soon as the
camera is turned on.)
•Enhanced resolution
•Reduced flare
Marker indication
When the camera setting allows the center marker or
safety zone marker indication, the viewfinder can set
the marker indication on or off.
Removable Eyepiece
Detaching the eyepiece gives you a clear view of the
center of the screen even with your eye away from the
viewfinder. You can clean dust from the screen or the
mirror by detaching the eyepiece.
Others
•Due to its large diameter, you can see the screen well
at a longer distance.
•Fitting a fog-proof filter (Part No. 1-547-341-11, not
supplied) over the viewfinder lens prevents breath or
vapor condensation on the lens.

3(E)
Location and Function of Parts
PEAKING CONTRAST BRIGHT
DISPLAY
ON
OFF
TALLY
HIGH
LOW
OFF
ZEBRA
ON
MOMENT
OFF
Viewfinder cable
Microphone holder
Eyecup
1Plug
2Stopper
3Tally indicator (rear)
4Diopter
adjustment
ring
5Tally indicator (front)
6PEAKING control
7CONTRAST control
8BRIGHT control
9TALLY switch
!º ZEBRA switch
!¡ DISPLAY switch

4(E)
1Plug
Connect to the VF connector on the camera.
2Stopper
Prevents the viewfinder from coming off the camera
when it is slid from side to side.
3Tally indicator (rear)
Lights up when the camera receives a tally control
signal. This indicator can be covered when not in use.
4Diopter adjustment ring
Allows for optimal adjustment of focus.
5Tally indicator (front)
Lights up when the camera receives a tally control
signal. Turn the TALLY switch 9OFF when not in
use. The brightness can also be adjusted with the
TALLY switch 9.
6PEAKING control
Turning this control clockwise adjusts the picture
sharpness, and makes focusing easier. This control has
no effect on the output signals of the camera.
7CONTRAST control
Adjusts the contrast of the screen. This control has no
effect on the output signals of the camera.
8BRIGHT control
Adjusts the brightness of the screen. This control has
no effect on the output signals of the camera.
9TALLY switch
Controls the tally indicator 5located on the front of
the viewfinder.
HIGH: The tally indicator brightness is set to high.
OFF: The tally indicator is disabled.
LOW: The tally indicator brightness is set to low.
!º ZEBRA (zebra pattern) switch
Controls the zebra pattern display on the viewfinder
screen as follows:
ON: A zebra pattern appears and stays.
OFF: The zebra pattern disappears.
MOMENT: A zebra pattern appears and stays for
about five seconds.
!¡ DISPLAY switch
Enables or disables the marker indication when the
indication is set to on with the camera.
Location and Function of Parts

5(E)
Attaching theViewfinder to a Camera
1Loosen the left-right positioning ring on the
camera.
2Insert the slide guide which is located on the front
of the camera into the slide rail which is located on
the back of the viewfinder.
3Slide the viewfinder in the direction of the arrow.
1
5
3
4
2
Stopper
Slide rail
Slide guide
Left-right positioning ring
Plug
VF connector
4Position the viewfinder by sliding it from side to
side, and tighten the left-right positioning ring on
the camera.
5Connect the plug to the VF connector on the
camera.
Detaching the viewfinder
To detach the viewfinder from the camera, conduct the
attachment procedure in reverse. When removing the
viewfinder from the camera, pull up the stopper.

6(E)
Adjusting the Focus and Screen
Adjusting the focus
Turn the diopter adjustment ring until the image is
sharpest for your eyesight.
Adjusting the screen
To adjust the peaking, brightness and contrast of the
viewfinder screen rotate the controls which are
illustrated below.
PEAKING CONTRAST BRIGHT
DISPLAY
ON
OFF
TALLY
HIGH
LOW
OFF
ZEBRA
ON
MOMENT
OFF
PEAKING control
CONTRAST control
BRIGHT control
Diopter adjustment ring

7(E)
Detaching the Eyepiece
Detaching the eyepiece gives you a clear view of the
screen even with your eye away from the viewfinder.
Detach the eyepiece to clean the screen and mirror, and
to attach the optional fog-proof filter.
For details on cleaning the viewfinder or attaching the
fogproof filter, see “Cleaning the Screen and Interior” on
page 11(E).
1Turn the eyepiece locking ring
fully counterclockwise to line
up the red match marks on the
locking ring with the red match
mark on the viewfinder barrel.
2Detach the eyepiece.
Refitting the eyepiece
1Align the match mark on the eyepiece locking ring
with that on the viewfinder barrel.
2Align the match mark on the end of the eyepiece
(see Step
2 above) with that of the eyepiece
locking ring, then insert the eyepiece into the
viewfinder barrel.
Locking ring
Locking ring match marks
Match mark on the viewfinder barrel
Match mark on end of
eyepiece
3Turn the eyepiece locking ring clockwise until its
“LOCK” indication arrow points to the match
mark on the viewfinder barrel.

8(E)
Attaching the Microphone
Proceed as follows to attach the supplied microphone.
1Loosen the screw of the
microphone holder and open
the holder.
2Attach the microphone to the
microphone holder, then close
the holder and tighten the
screw.
3Insert the microphone plug into
the MIC connector on the
camera, or the MIC IN
connector, which is either on
the camera adaptor or on the
VTR attached to the camera.
When connecting the microphone to the camera adaptor,
you will need to set the microphone selector. For details,
see the manual supplied with your camera adaptor.

9(E)
Attaching the microphone to the cradle suspension
Using the optional CRS-3P Cradle Suspension and
microphone holder (A) will reduce noise caused by
vibration.
1Combine together the CRS-3P
Cradle Suspension and the
microphone holder (A) (Part
No. 3-680-581-01).
2Loosen the screw on the
microphone holder on the
viewfinder, and open the
holder.
3Attach the microphone holder
(A) and cradle suspension
combined in Step 1to the
microphone holder on the
viewfinder, then close the
holder and tighten the screw.
4Attach the microphone to the
cradle suspension. Insert the
microphone plug into the MIC
connector on the camera, or the
MIC IN connector, which is
either on the camera adaptor or
on the VTR attached to the
camera.
CRS-3P Cradle Suspension
(not supplied)
Microphone holder (A)
(Part No. 3-680-581-01)
See the manual supplied with the CRS-3P for instructions on
how to attach the microphone to the cradle suspension.
When connecting the microphone to the camera adaptor,
you will need to set the microphone selector. For details,
see the manual supplied with your camera adaptor.

10(E)
Name and Function of the Indicators
The following indicators are arranged above and below
the viewfinder screen to show the status or settings of
the camera.
TALLY/REC BATT
VTR
SAVE
Viewfinder screen
1TALLY indicator (green)
Lights up when the camera receives a green tally
control signal from the camera control unit.
2BATT indicator
Starts flashing when the battery voltage supplied to the
camera drops below the minimum level, and stays lit
when the battery is exhausted. To prevent interruption
during operation, replace the battery as soon as this
indicator starts flashing.
The level at which the indicator starts flashing can be set on
the camera. For more details, see the manual supplied with
your camera.
3TALLY/REC indicator (red)
Depending on the status, this indicator will light up or
flash.
When lit:
•The image shot by the camera is being recorded.
•The camera receives a red tally control signal
from the camera control unit.
Note
This indicator will be brighter than usual for a moment
after it is first lit. This is only a warning, and not a
malfunction.
When flashing: The servo system of the VTR
attached to the camera is unlocked.
For more details on the status by which the TALLY/REC
indicator will light or flash, see the manual supplied with
your camera.
4VTR SAVE indicator
Lights up when the VTR attached to the camera is set
to power save mode.
5(warning) indicator
Lights up when the camera is used under certain
conditions. These conditions can be set on the camera.
See the manual supplied with your camera for more details
on setting or checking the conditions by which the indicator
will light up.
4VTR SAVE indicator
5indicator
1TALLY indicator
2BATT indicator
3TALLY/REC indicator
Function of each indicator may vary with the camera you
are using. Please refer to the manual supplied with your
camera to confirm the indicators’ functions.

11(E)
Cleaning the Screen or Interior
When cleaning the screen or the interior of the
viewfinder, detach the viewfinder from the camera,
then clean it taking care not to damage the
components.
For information about detaching the viewfinder from the
camera, see the procedure explained in “Attaching the
Viewfinder to a Camera” on page 5(E).
To remove dust from the screen or the mirror
Use a dust blower.
To clean the lens or the protecting filter
Use a commercially available lens cleaner.
Note
Do not use organic solvents such as thinners.
Disassembling the eyepiece for cleaning
1Detach the eyepiece from the viewfinder barrel.
For the detaching procedure, see “Detaching the
Eyepiece” on page 7(E).
2Remove the eyecup from the eyecup holder.
3Remove the protecting filter, together with the
packing ring, from inside the eyecup holder.
4Detach the protecting filter from the packing ring.
Fog-proof filter
Depending on the temperature and humidity, the
protecting filter may mist, especially if you breathe
near it. You can replace the protecting filter with an
optional fog-proof filter (Part No. 1-547-341-11) to
prevent the fogging.
Attaching the fog-proof filter
Detach the protecting filter from the packing ring, and
replace it with the fog-proof filter.
Note
When cleaning the fog-proof filter, wipe the filter very
gently with a soft cloth to avoid impairing the anti-
fogging effect.
24
1
3
Viewfinder
barrel Eyecup holder Protecting filter Packing ring Eyecup

12(E)
Specifications
General
Power requirements
9.3 V DC
Power consumption
2.3 W
Operating temperature
–20˚C to +45˚ C (–4˚F to
+113˚F)
Storage temperature
–20˚C to +60˚ C (–4˚F to 140˚F)
External dimensions
229 ×76 ×215 mm (91/8×3 ×
81/2inches) (w/h/d)
Mass 580 g (1 lb 4 oz)
Performance
CRT 2-inch monochrome
Horizontal resolution
600 TV lines (at center)
Indicators REC/TALLY, BATT, VTR SAVE,
Accessories
Microphone (1)
Operation manual (1)
Accessories not supplied
BKW-401 Viewfinder Rotation Bracket
Fog-proof filter (Part No. 1-547-341-11)
Lens assembly (farsighted) (–2.8 D to +2.0 D) (Part
No. A-8262-537-A)
Lens assembly (low magnification) (–3.6 D to –0.8 D)
(Part No. A-8262-538-A)
Lens assembly (standard magnification with special
compensation for aberrations) (–3.6 D to +0.4 D)
(Part No. A-8267-737-A)
Lens assembly (high-performance triple magnification)
(–3.6 D to +0.4 D) (Part No. A-8314-798-A)
Cushioned eyecup
•Pad (Part No. X-3678-187-1)
•Attachment (Part No. 3-682-494-02)
Related equipment
BVP-550/550P Color Video Camera
Design and specifications are subject to change
without notice.

The material contained in this manual consists of
information that is the property of Sony Corporation and is
intended solely for use by the purchasers of the equipment
described in this manual.
Sony Corporation expressly prohibits the duplication of any
portion of this manual or the use thereof for any purpose
other than the operation or maintenance of the equipment
described in this manual without the express written
permission of Sony Corporation.
Le matériel contenu dans ce manuel consiste en
informations qui sont la propriétéde Sony Corporation et
sont destinées exclusivement àl’usage des acquéreurs de
l’équipement décrit dans ce manuel.
Sony Corporation interdit formellement la copie de quelque
partie que ce soit de ce manuel ou son emploi pour tout
autre but que des opérations ou entretiens de l’équipement
àmoins d’une permission écrite de Sony Corporation.
Das in dieser Anleitung enthaltene Material besteht aus
Informationen, die Eigentum der Sony Corporation sind,
und ausschließlich zum Gebrauch durch den Käufer der in
dieser Anleitung beschriebenen Ausrüstung bestimmt sind.
Die Sony Corporation untersagt ausdrücklich die
Vervielfältigung jeglicher Teile dieser Anleitung oder den
Gebrauch derselben für irgendeinen anderen Zweck als die
Bedienung oder Wartung der in dieser Anleitung
beschriebenen Ausrüstung ohne ausdrückliche schriftliche
Erlaubnis der Sony Corporation.

BVF-20W/20WCE
(UCJ/EK)
3-856-992-02 (1)
Sony Corporation
Broadcast Products Company
Published by Broadcast Products Company
1996.07.13
1996