ARRI LMB-6 User manual

USER GUIDE
Lightweight Matte Box
LMB-25 / LMB-6

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Content Introduction
Lightweight Matte Box LMB-25
The LMB-25 is a lightweight clamp-on matte box designed to hold two to three
4“ x 5.65“, 4“ x 4“ or 5“ x 5“ filters on lenses up to 143 mm in diameter.
The widest Master Prime lens the LMB-25 matte box will cover with
two 4“ x 5.65“ filters in the ANSI S35 format is 14 mm.
Lightweight Matte Box LMB-6
The LMB-6 is designed for two or three filters up to the size 6.6” x 6.6”. It is
based on the same principle as the Lightweight Matte Box LMB-25 with a
maximum clamping diameter of 162 mm. When used along with an ALEXA in
2.8K mode, the LMB-6 will cover the Ultra Wide Zoom 9.5-18 mm as well as the
rectilinear Ultra Prime 8R in a three-stage configuration.
Table of Contents
INTRODUCTION .........................3
OVERVIEW LMB-25 ......................4
OVERVIEW LMB-6 .......................6
INSTRUCTIONS ..........................8
Fit Clamp Adapter .........................8
Insert Filter Frame ........................10
Fit 2- or 3-Filter Stage Guides ................12
Fit Top/Bottom Flag .......................16
Adding Optional Bottom Flag Holders .........18
Remove Hood ...........................20
Secure Matte Box for Crane Use .............22
Mounting and Usage of Tray Catcher ..........24
Adding Accessory Attachment ...............26
Inserting Mattes .........................28
LEGAL DISCLAIMER .....................30
CONTACTS ............................31
! Note: All LMB-25 illustrations apply to LMB-6 unless specified.

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Overview
LMB-25 OVERVIEW
4
5
3
7
9
2
6
10
11
1
8
MAIN UNIT
1 LMB-25 Basic Module ...................... K2.66177.0
Includes pair top/bottom flag holders (K2.66179.0)
ACCESSORIES
2 2-Filter Stage Guide ........................ K2.66176.0
3 3-Filter Stage Guide ........................ K2.66175.0
4 Filter Frame 4“ x 5.65“ / 4“ x 4“ ............... K2.66133.0
5 Filter Frame 5“ x 5“ ........................ K2.65183.0
6 Light Shield ............................... K2.47244.0
7 Top/Bottom Flag Holders (pair) ** .............. K2.66179.0
8 3/8“ Accessory Attachment ** ................ K2.66178.0
9 Tray Catcher ** ............................ K2.66202.0
10 Set of Masks for LMB-25 (5x) ................. K2.66022.0
11 LMB-5/15/25 Clamp Adapters - All cross compatible
n Clamp Adapter Ø 143 mm ................. K2.65223.0
(Compatible with R9 Clamp-On Rings)
n Clamp Adapter Ø 136 mm ................. K2.66218.0
n Clamp Adapter Ø 134 mm ................. K2.66217.0
n Clamp Adapter Ø 130 mm ................. K2.65103.0
(Compatible with R7 Clamp-On Rings)
n Clamp Adapter Ø 125 mm ................. K2.66219.0
n Clamp Adapter Ø 114 mm ................. K2.47240.0
n Clamp Adapter Ø 110 mm ................. K2.52097.0
n Clamp Adapter Ø 104 mm ................. K2.47253.0
n Clamp Adapter Ø 95 mm .................. K2.47241.0
n Clamp Adapter Ø 87 mm .................. K2.47242.0
n Clamp Adapter Ø 80 mm .................. K2.47243.0
COMPATIBLITY
The LMB-25 is compatible with various existing ARRI
filter frames, filter stage guides and clamp adapters.
* Filter Frame 4“ x 5.65“ / 4“ x 4“ ............. K2.66133.0
* Filter Frame 4“x 4“ ....................... K2.47104.0
* LMB-15 Matte Set (4x) HD 16x9 and 16 mm ... K2.66021.0
* LMB-15 Matte Set (4x) 35 mm .............. K2.66022.0
9
* Discontinued items. Not available for sale from ARRI.
* (Pos. 7, 8, 9) These accessories are compatible with both LMB-25 and LMB-6.
87
*

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Overview
MAIN UNIT
1 LMB-6 Basic Module ....................... K2.66232.0
Includes pair top/bottom flag holders (K2.66179.0)
ACCESSORIES
2 2-Filter Stage Guide ........................ K2.66242.0
3 3-Filter Stage Guide ........................ K2.66244.0
4 Filter Frame 6.6“ x 6.6“. . . . . . . . . . . . . . . . . . . . . . K2.0001034
5 Filter Frame 5.65“ x 5.65“ ................... K2.66063.0
6 Light Shield ............................... K2.66231.0
7 Top/Bottom Flag Holders (pair) ** .............. K2.66179.0
8 3/8“ Accessory Attachment ** ................ K2.66178.0
9 Tray Catcher ** ............................ K2.66202.0
10 Set of Masks for LMB-6 (5x) .................. K2.66243.0
11 LMB-6 Clamp Adapters
n Clamp Adapter Ø 162 mm ................. K2.66234.0
n Clamp Adapter Ø 156 mm ................. K2.66233.0
n Clamp Adapter Ø 136 mm ................. K2.66235.0
n Clamp Adapter Ø 134 mm ................. K2.66236.0
n Clamp Adapter Ø 125 mm ................. K2.66237.0
n Clamp Adapter Ø 114 mm ................. K2.66238.0
n Clamp Adapter Ø 110 mm ................. K2.66239.0
n Clamp Adapter Ø 104 mm ................. K2.66240.0
n Clamp Adapter Ø 95 mm .................. K2.66241.0
LMB-6 OVERVIEW
4
5
3
7
9
2
6
10
11
1
8
** (Pos. 7, 8, 9) These accessories are compatible with both LMB-25 and LMB-6.
987

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INSTRUCTIONS | Fit Clamp Adapter
1 To fit a clamp adapter, position it through the locking
thumbscrews so it sits flush with the filter stage.
2 Slide the clamp adapter upwards.
3 Lock the clamp adapter using the two locking
thumbscrews positioned at the rear of the filter stages.
Fit Clamp Adapter
The LMB-25 and LMB-6 clamp-on matte boxes adapt to various lens
diameters via a series of interchangeable clamp adapters.
1 2
3
| Fit Clamp Adapter
INSTRUCTIONS

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INSTRUCTIONS | Insert Filter Frame
Insert Filter Frame
Two or three filter frames are typically inserted from the top of the
matte box with the clamp adapter fitted. Filter frames can be
inserted from the bottom of the matte box if needed.
INSTRUCTIONS | Insert Filter Frame
1 2
3

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INSTRUCTIONS | Fit 2- or 3-Filter Stage Guides
Fit 2- or 3-Filter Stage Guides
The LMB-25 and LMB-6 can hold two or three filters, depending on
requirements. Some situations will require holding three filters, although greater
lens coverage is achieved with a two-filter configuration. (Steps 2 and 3 are not
necessary with the LMB-6).
INSTRUCTIONS | Fit 2- or 3-Filter Stage Guides
1 2
3
1 Remove the rear clamp adapter.
(Refer to Pos. 1.)
2 Turn the module face up and loosen the four screws
securing the front hood to the main plate.
3 Remove the front hood.

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INSTRUCTIONS | Fit 2- or 3-Filter Stage Guides
INSTRUCTIONS | Fit 2- or 3-Filter Stage Guides
4 Remove the side filter stage guides by loosening
the four captive screws.
5 Swap the filter stage guide to the required one
(e.g. 3-filter tray stage guide).
4 5

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INSTRUCTIONS | Fit Top/Bottom Flag
INSTRUCTIONS | Fit Top/Bottom Flag
Fit Top/Bottom Flag
Adjust Flag Friction
1
1
2
1 Slide the top/bottom flag onto the flag holders of the
LMB-25 and LMB-6.
2 Tighten the locking knobs.
1 Top/bottom flag friction adjustment can be set using the
flag friction knob. The flag can be locked in position using
the same knob.
Note: The top/bottom flag can be folded onto the hood to offer
protection to the lens when the camera is being moved on set.

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INSTRUCTIONS | Adding Optional Bottom Flag Holders
INSTRUCTIONS | Adding Optional Bottom Flag Holders
Adding optional Bottom Flag Holders
1 2
1 If a bottom flag is needed, the top/bottom flag can be
fitted to the bottom of the matte box using two optional
flag holders.
Secure each of bottom flag holders to the bottom of the
basic module with two screws.
2 Optional pair of bottom flag holders (Ident No.: K2.66179.0
common to LMB-25 and LMB-6).

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INSTRUCTIONS | Remove Hood
INSTRUCTIONS | Remove Hood
Remove Hood
The front hood can be removed easily on set for special applications such
as macro work, helicopter shots, or when a flare effect is desired.
1 2
1 Turn the module face up and loosen the four screws on
LMB-25 and the six screws on LMB-6 securing the front
hood to the main plate.
2 Remove the front hood.
Note: The screws are captive so they stay attached to the hood
when in storage to reduce the chances of losing them.

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INSTRUCTIONS | Secure Matte Box for Crane Use
Secure Matte Box for Crane Use
The LMB-25 and LMB-6 are fitted with a 10 mm eyelet at camera
bottom right hand corner, allowing it to be secured when shooting
on a crane (e.g. using a carabiner).
INSTRUCTIONS | Secure Matte Box for Crane Use

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INSTRUCTIONS | Mounting and Usage of Tray Catcher
INSTRUCTIONS | Mounting and Usage of Tray Catcher
Mounting and Usage of Tray Catcher
The bottom tray catcher is designed to secure the filter trays for situations
when safety is paramount (e.g. when travelling above a crowd).
1
3
2
1 Secure the tray catcher with two screws
to the bottom of the basic module.
2 The tray catcher clicks in position (both ways).
3 0° - Position: The tray catcher can be permanently mounted to
the LMB-25 and LMB-6 and clicked into place
when required.
45° - Position: Covers two filter trays.
90° - Position: Covers all filter trays.
45° - Position
90° - Position
0° - Position

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INSTRUCTIONS | Adding Accessory Attachment
Adding Accessory Attachment
The 3/8“ accessory attachment can be mounted permanently to the LMB-25
and LMB-6 and allows the use of accessories such as ultrasonic devices.
The accessory attachment can be mounted off-center if necessary and does
not affect the mounting of the top flag.
INSTRUCTIONS | Adding Accessory Attachment
! Note: The 3/8“ accessory attachment is not designed to mount heavy
or carrying accessories (e.g. handles).
Secure the accessory attachment with two screws to the top of
the basic module.
Note: Mounting the 3/8“ accessory attachment to the matte box at
the desired position requires the two supplied screws.

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INSTRUCTIONS | Inserting Mattes
Inserting Mattes
Mattes come as a set of five different pieces and can be secured
to the front of the matte box by simply pressing on the hood‘s four
securing tabs.
INSTRUCTIONS | Inserting Mattes
PRESS
1 2
Note: Due to the variety of sensor sizes and lens properties, you are advised
to test mattes and lens coverage with your own equipment.

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LEGAL DISCLAIMER
CONTACTS
© 2012 Arnold & Richter Cine Technik GmbH & Co. Betriebs KG (“ARRI”).
ALL RIGHTS RESERVED.
THIS SPECIFICATION IS PROVIDED “AS IS” AND WITHOUT ANY WARRANTY
OF ANY KIND, EXPRESSED OR IMPLIED. WITHOUT LIMITATION, THERE IS
NO WARRANTY OF NON-INFRINGEMENT, NO WARRANTY OF
MERCHANTABILITY, AND NO WARRANTY OF FITNESS FOR A PARTICULAR
PURPOSE. ALL WARRANTIES ARE EXPRESSLY DISCLAIMED. YOU ASSUME
THE FULL RISK OF USING THIS SPECIFICATION. IN NO EVENT SHALL
ARRI BE LIABLE FOR ANY ACTUAL, DIRECT, INDIRECT, PUNITIVE, OR
CONSEQUENTIAL DAMAGES ARISING FROM SUCH USE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
THIS SPECIFICATION AND GIVEN INFORMATION ARE SUBJECT TO CHANGE
WITHOUT NOTICE.
ARRI grants you a fully-paid, non-exclusive, non-transferable, worldwide,
limited license (without the right to sublicense) to view and use the
Specification only for the purpose of internal evaluation. No further license
of any kind is granted hereunder, neither explicit nor implicit, for any
other purpose.
THIS SPECIFICATION IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
BE REPRODUCED IN WHOLE OR PART UNLESS AUTHORIZED IN WRITING
BY AN AUTHORIZED REPRESENTATIVE OF ARRI.
ARRI and are trademarks, registered trademarks or servicemarks of
Arnold & Richter Cine Technik GmbH & Co. Betriebs KG.
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Ident.-No.: 80.0005943 · Technical data subject to change without further notice. © ARRI/2014
Arnold & Richter Cine Technik GmbH & Co. Betriebs KG · Türkenstr. 89 · D-80799 Munich phone [phone]