ARRI Mattebox MB-20 User manual

Configuration Overview 2 & 3
About, Tools, Safety 4
The MB-20 System 4
Basic Module 5
The Filter Stage 5
Combo Filter Trays 6
The Clamp-on Adapter 6
The Swing Away Module 7
Back 138mm Bellows Adapter 7
Console for Lightweight Support 8
Adapter for 19mm & 15mm Rods 8
Vertical & Horizontal Adjustment 9
Top & Side Flags 10
Sunshade 11
ARRI Group Addresses 12
02/2006
MB-20 Quick Guide

ARRI MB-20 Quick Guide 02/2006, Page 2
Configuration Overview
Light Protection
Basic Modules & Accessories
Filter frames
Carriers & Filter Stages
Top flag, K2.47103.0
Bottom flag, K2.47103.0
Side flag (pair), K2.65056.0
Hard Matte Sets
2/3" Video Format 4:3
K2.47689.0
2/3" Video Format 16:9
K2.47690.0
35mm Film
K2.47691.0
Set includes:
K2.65027.0, K2.65032.0, K2.65028.0,
K2.65026.0, K2.65025.0
Bellows, light protection and filter frames
must be ordered separately
Set includes: K2.65027.0, K2.65032.0, K2.65028.0,
K2.65026.0, K2.65025.0, K2.47101.0
Bellows, light protection and filter frames
must be ordered separately
Set includes: K2.65027.0, K2.65032.0, K2.65028.0,
K2.65026.0, K2.65025.0, K2.47102.0
Bellows, light protection and filter frames
must be ordered separately
Clamp-On adapter
for direct clip-on use.
K2.65030.0
requires adapter rings K2.47671.0
K2.47672.0
K2.47673.0
K2.47674.0
K2.47675.0
K2.47676.0
K2.47677.0
K2.47678.0
K2.65031.0
K2.47679.0
K2.47680.0
K2.47681.0
K2.47682.0
K2.65097.0
K2.47683.0
K2.47684.0
K2.47685.0
K2.47686.0
K2.47687.0
K2.47688.0
(ø 80mm)*
*for Video Lenses
(ø 80mm)-HS*
*for Zeiss Super Speed Lenses
(ø 85mm)
(ø 86mm)
(ø 87mm)*
*for Zeiss Vario Sonnar
(ø 90mm)
(ø 92mm)
(ø 95mm)*
*not for wide angle video zooms
(ø 95mm) WA*
*for 13x4.5mm Fujinon
and 11x4.7mm Canon
(ø 96mm)
(ø 98mm)
(ø 100mm)
(ø 104mm)
(ø 105mm)
(ø 110mm)
(ø 114mm)
(ø 117mm)
(ø 120mm)
(ø 128mm)*
*not for Fujinon HAe3x5
(ø 128mm) WA*
*for Fujinon HAe3x5
for Clamp-On adapter
Adapter Rings
MB-20, SET for
for ARRI 235 side bracket with 19mm rods
K0.60023.0
235 side bracket
MB-20, SET for
for lightweight support LWS -3
K0.60022.0
15mm lightweight support
MB-20, SET for support
K0.60024.0
as K0.60022.0 but with adapter for 19mm studio rods
19mm
MB-20, SET for support
K0.60025.0
as K0.60022.0 but with adapter for 15mm rods
15mm
Adapter for Rods
K2.47101.0
Adapter for Rods
K2.47102.0
19mm
15mm
Console for
lightweight support
K2.65025.0
(requires swingaway module)
Clamp-On Adapter
K2.65030.0
(instead of swing
away module)
2-filter stage
K2.65026.0
3-filter stage
K2.65089.0
MB-20 basic module
with sun shade
K2.65027.0
Swing away module
K2.65032.0
Back 138mm
bellows adapter
K2.65028.0
Console for
235 side bracket
K2.65024.0
Rod Reduction to 15mm
K2.47062.0
4" x 5,65" Filter frame
horizontal
K2.65048.0
4" x 4" Filter frame
K2.65098.0
4" x 5,65" Filter frame
vertical
K2.65049.0
Filter frame combo
4" x 5.65" / 5x5
K2.65023.0
5.65" x 5.65" / 5x6
K2.65022.0
SET configurations:
Set includes:
K2.65027.0, K2.65032.0, K2.65026.0 K2.65024.0
Bellows, light protection and filter frames
must be ordered separately

ARRI MB-20 Quick Guide 02/2006, Page 3
Configuration Overview
4½" Filter Rings 138mm Filter Rings Connection Rings
4½" (114mm) filter ring
K2.49109.0 (ø 87mm)-R
4½" (114mm) filter ring
K2.49102.0 (ø 95mm)-T
4½" (114mm) filter ring
K2.52205.0 (ø 114mm)-U
138mm filter ring
K2.47223.0 (ø 87mm)-B
138mm filter ring
K2.47190.0 (ø 114mm)-H
138mm filter ring
K2.47222.0 (ø 100mm)-Z
Connection ring
K2.47226.0 (ø 80mm)-S
4½" (114mm) filter ring
K2.32903.0 (ø 125mm)-X
Reflex prevention ring
K2.32911.0 (ø 125mm)-Y
m
)*
m
)-HS*
L
enses
m
)
m
)
m
)*
m
)
m
)
m
)*
o
zooms
m
) WA*
m
)
m
)
m)
m)
m)
m)
m)
m)
m)
m)*
m) WA*
K2.49099.0
K2.65069.0
K2.65070.0
K2.65071.0
K2.65090.0
K2.65072.0
K2.65073.0
(ø 117mm)
(ø 114mm)
(ø 120mm)
(ø 128mm)*
* not for Fujinon 3x5HAe Super Zoom)
(ø 128mm)*
* for Fujinon 3x5HAe Super Zoom)
(ø 130mm)
(ø 132mm)
r
ø = diameter of connection ring to lens
Connection Ring
K2.47226.0 (ø 80mm)-S
Connection Ring 100-85
K2.65038.0 (ø 85mm)-VA85
Connection Ring 100-86
K2.65039.0 (ø 86mm)-VA86
Connection Ring 100-90
K2.65040.0 (ø 90mm)-VA90
Connection Ring 100-80
K2.65043.0 (ø 80mm)-VA80
Connection Ring 100-92
K2.65054.0 (ø 92mm)-VA92
Connection Ring 114-98
K2.65044.0 (ø 98mm)-VB98
Connection Ring 114-105
K2.65096.0 (ø 105mm)-VB105
Connection Ring 114-110
K2.65045.0 (ø 110mm)-VB110
Connection Ring 114-96
K2.65055.0 (ø 96mm)-VB96
Adapter Ring 114-100
K2.65046.0 (ø 100mm)-VB100
Adapter Ring 114-100
with thread for VA 85, 86, 90, 92, 95
K2.65046.0
(ø 100mm)-VB100
with thread to connect following
connection rings: VA 85, 86, 90, 92, 95
+ 100mm Film Connection Rings (B2, C, etc.)
Connection Ring
K2.52195.0 (ø 104mm)-V
Connection Ring
K2.52195.0 (ø 104mm)-V
Connection Ring
K2.47224.0 (ø 95mm)-C
Connection Ring
K2.52196.0 (ø 110mm)-W
Connection Ring
K2.52196.0 (ø 110mm)-W
Connection Ring
K2.47225.0 (ø 87mm)-B2
reducing filter diameter from
138mm to listed diameter
Large Diameter Wide-Angle
Light Trap Rings (not for clamp on ring)
Reduction ring
reduces to 4½"
K2.47115.0
Video Connection Rings
Video Connection Rings
Connection Ring 100-95
K2.65029.0 (ø 95mm)-VA95
Note: only for wide angle lenses
with cutouts (4.9mm and below)
For lenses larger than 4.9mm
use K2.47224.0 -C

ARRI MB-20 Quick Guide 02/2006, Page 4
About this ARRI Quick Guide
This Quick Guide (order number K5.44285.0) provides a short introduction to the ARRI MB-20 Compact Matte
Box. It is essential that you acquaint yourself with this guide before operating the equipment.
Even though all efforts have been made to ensure this guide’s accuracy, changes and upgrades to the
products described can result in different hardware or behaviour. Technical data are subject to change
without notice.
This document can be downloaded from www.arri.com in Acrobat pdf format. The Acrobat Reader can be
downloaded free from the Adobe web site at www.adobe.com. A PostScript printer gives best printing results.
Tools
Anyone operating the ARRI MB-20 system should have a 3 mm metric hex wrench which is used to fine tune
the vertical orientation of the MB-20 with the Swing-away Module fitted.
Safety Specifications
• Assembly and initial operation should be carried out only by persons who are familiar with the equipment.
• Repairs should be carried out only by authorised ARRI service centres.
• Use only original ARRI replacement parts and accessories!
• Do not remove any screws which are secured with paint.
MB-20 System
The ARRI MB-20 Compact Matte Box is a versatile, modular matte box designed primarily for the high
definition video market, but can equally well be used with 16 or 35 format film cameras. Interchangeable
modules allow for either rod mounted, swing-away operation or for clamping directly onto the lens.
The heart of the matte box is the Basic Module, in front of which can be fitted the removable Sunshade and
Top, Bottom and Side Flags. Interchangeable Hard Mattes can be snapped into the front of the Sunshade.
The back of the Basic Module accepts a 2 or 3 Filter Stage – all filters are individually rotatable.
The right-hand edge of the Basic Module mates with one of 2 support systems:
• Check recent price lists and Configuration Overviews for new parts not yet in the MB-20 program at the
time of printing of this Quick Guide.
The Clamp-on Adapter
In this mode the matte box clamps directly to the front of the lens. The Clamp-on Adapter used alone fits
lenses with a front diameter of 130mm. A range of Adapter Rings reduces the basic 130mm diameter down to
as little as 80mm to work with a wide variety of lenses.
The Swing Away Module
The Swing Away Module offers all the features of a production matte box, where the matte box is mounted on
support rods and the entire front section swings forward to facilitate lens changes. To the Swing Away Module
is fitted either the Console for Lightweight Support or the Console for 235 Side Bracket. The Console for
Lightweight Support mounts directly on 15mm Lightweight Support Rods or, with the addition of an adapter,
onto 15mm or 19mm studio support rods. The Console for 235 Side Bracket allows the matte box to be used
with an ARRIFLEX 235 fitted with Side Bars.
In Swing Away mode the rear of the filter stage is fitted with the Back 138mm Bellows Adapter. This accepts
a selection of 138mm and 4 ½” Filter Rings, which offers the addition of a further, round, rotatable filter. The
filter rings combine with Connection or Adapter Rings to work with lenses of different front diameters. (See the
Configuration Overview on pages 2 & 3 of this guide for details).
About, Tools, Safety, MB-20 System

ARRI MB-20 Quick Guide 02/2006, Page 5
The Basic Module
The Basic Module is the core plate of the Matte Box in front of which the sunshade and flags are mounted.
Behind it is fitted either a two or three stage filter holder. One edge has two mounting holes which allow either
the Clamp-on Adapter or Swing Away Module to be fitted.
The Filter Stage
Basic Operation
Fit the cut-outs on the front of the Filter Stage over the corresponding tabs on the back of the Basic Module in
the position shown, and then slide it into the central position until it locks in place (1). To remove it again, pull
the filter release lever forward (2) and reverse the procedure.
Mounting holes
Sunshade
release
knobs
Basic Module
Basic Module
Filter Stage
Release knob
Cut-outs
1
Blue clamp
knobs
2

ARRI MB-20 Quick Guide 02/2006, Page 6
Combo Filter Trays
In addition to conventional 4” x 5.65” filter trays in both horizontal and vertical orientation, the MB-20 offers two
Combo Filter Trays. These are designed so filters of more than one size and shape can be used.
Combo 2
Holds 5.65” x 5.65” square filters or 5” x 6” filters.
Combo 1
Holds 4” x 5.65” filters horizontally or vertically or 5” x 5”
square filters.
The Clamp-on Adapter
To fit the Clamp-on Adapter to the Basic Module, ensure the slide lock lever is unlocked, and slide the Clamp-on
plate back fully on the rods (1). Engage the two mounting pins into the holes on the Basic Module. Press fully
home (2) and tighten the two blue clamp knobs (3). Now slide the Clamp-on Plate forward and secure it to the
back of the filter stage with the locking screw (4). Finally tighten the slide lock lever (5).
1
2
2
3
3
4
5
Clamp-on plate
Slide lock lever
Locking screw
Blue clamp knob
Blue clamp knob
(not visible)
Basic Operation

ARRI MB-20 Quick Guide 02/2006, Page 7
The Swing Away Module
Engage the two mounting pins of the Swing Away Module into the corresponding holes in the Basic Module, press
fully home and tighten the two blue clamp knobs. To remove the Swing Away Module, loosen the blue clamp knobs
and it is then necessary to pull the black horizontal adjuster out of engagement with the mounting pins before they
can be withdrawn from the Basic Module.
Back 138mm Bellows Adapter
Fit the Back 138mm Bellows Adapter over the two locating pins and secure with the two blue lock screws.
The red rotation lock either releases or locks the rotation of the complete bellows adapter along with any filter
mounted in the bellows filter holder.
Basic Operation
Swing Away
Module
Pull up knob to
swing open
Blue clamp
knobs
Pull black horizontal adjuster to release mounting pins
Pull black horizontal adjuster
to release mounting pins
Blue lock screw
Locating pin
Back 138mm
Bellows Adapter
Locating pin
Blue lock screw
Red rotation lock

ARRI MB-20 Quick Guide 02/2006, Page 8
Console for Lightweight Support
The Console for Lightweight Support attaches to the Swing Away Module and allows the matte box to be
mounted on 15mm lightweight support rods. When the correct distance from the camera has been set tighten
the lock screws to lock the console to the rods.
Adapter for 19mm or 15mm Rods
To use the MB-20 with a bridge plate and either 19mm or 15mm heavy duty support rods, an adapter needs
to be fitted to the bottom of the Console for Lightweight Support as shown above.
Basic Operation
Console for Lightweight
Support
Lock screw
Lock screw
Adapter for
19mm Rods

ARRI MB-20 Quick Guide 02/2006, Page 9
Vertical Adjustment
The Swing-away Module is attached to either the Console for Lightweight Support or the Console for 235 Side
Bracket by two M4 screws. Between these is an adjuster for the vertical alignment of the matte box. To operate
this adjuster, use a 3mm hex wrench to loosen the two M4 screws slightly before using it to rotate the adjuster.
Once the desired alignment is achieved, tighten the two M4 screws.
Horizontal Adjustment
Before tightening the blue clamp knobs, the horizontal position of the matte box can be fine tuned by rotating
the two black horizontal adjusters (top one only shown). Once the desired alignment is achieved, lock the two
blue clamp knobs.
Basic Operation
M4 screws
Vertical adjuster
Black horizontal
adjuster
Blue clamp knob

ARRI MB-20 Quick Guide 02/2006, Page 10
Basic Operation
Top Flag
The Top Flag is held onto the Basic Module by two lock wheels, as shown above. It can be adjusted and fixed
in position by tightening the lock-off knob at one end. If desired, the Top Flag can be attached underneath the
matte box to form a bottom flag.
Side Flags
The two side flags are identical. They attach to a single lug on either side of the Basic Module. The top and
bottom edges are adjustable.
Top Flag
lock wheels
Lock-off knob
Side Flag
lock wheel
Side Flag
lock screws

ARRI MB-20 Quick Guide 02/2006, Page 11
Basic Operation
Removing the Sunshade
The Sunshade is quickly removed by squeezing together the two release buttons, as shown above.
The opposite side of the sunshade is held in place by two metal lugs. When re-fitting the Sunshade,
these must be engaged first.

ARRI MB-20 Quick Guide 02/2006, Page 12
ARRI Group Addresses
Australia ARRI Australia PTY Limited (Sales, Service & Rental)
Unit 6C, 5 Talavera Road, Macquarie Park, Sydney. NSW 2113, Australia
Voice phone: [phone], FAX: [phone]
Email: [email protected]
Canada ARRI Canada Limited (Sales & Service)
415 Horner Ave. Unit 11, Toronto, Ontario M8W 4W3, Canada
Voice phone: [phone], FAX: [phone]
Email: [email protected]
Germany Arnold & Richter Cine Technik (Sales & Service)
Türkenstraße 89, D-80799 Munich, Germany
Voice phone: [phone], FAX: [phone]
Email: [email protected]
ARRI Camera Rental (Film Equipment Rental)
Türkenstraße 89, D-80799 Munich, Germany
Voice phone: [phone], FAX: [phone]
Email: [email protected]
Great Britain ARRI GB Limited (Sales & Service)
2 Highbridge, Oxford Road, Uxbridge, Middlesex, UB8 1LX, England
Voice phone: [phone], FAX: [phone]
Email: [email protected]
ARRI MEDIA (Film Equipment Rental)
3 Highbridge, Oxford Road, Uxbridge, Middlesex, UB8 1LX, England
Voice phone: [phone], FAX: [phone]
Email: [email protected]
ARRI Lighting Rental (Lighting Rental)
4 Highbridge, Oxford Road, Uxbridge, Middlesex, UB8 1LX, England
Voice phone: [phone], FAX: [phone]
Email: [email protected]
Italy ARRI Italia S.r.l. (Head Office, Milan)
Viale Edison 318, 20099 Sesto San Giovanni (Milan), Italy
Voice phone: [phone], FAX: [phone]
Email: [email protected]
ARRI Italia S.r.l. (Sales & Service, Rome)
Via Placanica 95, 00040 Morena (Rome), Italy
Voice phone: [phone], FAX: [phone]
E-mail: [email protected]
USA ARRI Inc. (Sales & Service, East Coast)
617 Route 303, Blauvelt, NY 10913-1123, USA
Voice phone: [phone], FAX: [phone]
Email: [email protected]
ARRI Inc. (Sales & Service, West Coast)
600 North Victory Blvd., Burbank, CA 91502-1639, USA
Voice phone: [phone], FAX: [phone]
Email: [email protected]
ARRI CSC (Film Equipment Rental, NY)
619 West 54th St, New York, NY 10019, USA
Voice phone: [phone], FAX: [phone]
Email: [e-mail]
ARRI CSC (Film Equipment Rental, Florida)
2385 Stirling Road, Fort Lauderdale, FL 33312, USA
Voice phone: [phone], FAX: [phone]
Email: [e-mail]
World Wide Web www.arri.com