[Combined Kit] Angle Breakout Expansion Box Module + ARRI Type Offset Rosette Mount Module
List price: $100.00
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20 days
Ukrainian Post: $7.00

PWM(S.Bus)+LANC+12V DC Angle Breakout Expansion Box Module developed by RADIOPROEKTOR for Blackmagic Micro Cinema Camera (BMMCC) and Blackmagic Micro Studio Camera 4K (BMMSC).

New improved housing now CNC machined of Aluminum Alloy and anodized in black color!

Angle shape provides compact and secure cable management without mess of wires around the camera. Box compatible with SmallRig cage and can be used without any cage as well.

Box uses high quality TRS connectors made by Lumberg/EST (Germany/Japan). Everything is connected with tiny Dupont Jumpers, so you can open the box and easily change cables configuration for your needs just in few minutes. This makes it compatible with any PWM and S.Bus camera controllers, allow for Composite video signal output, Genlock/Reference input or any other desired option.

Please specify before purchase if you need S.Bus or PWM or any other pinout for 3.5mm jack socket. Also let me know if you use Micro Cinema or Micro Studio Camera because they have slightly different pinout. Everything is connected with tiny Dupont Jumpers so you can change pinout any time later but it just be easier to use Expansion Box without any intervention.

Little FAQ:

  • PWM is very simple DIY friendly interface but slightly limited. It is great if you need only few external buttons. With 3.5mm stereo jack you can use two PWM channels. For example with simple On/Off switchers you can control Record/Stop and ISO. Anyway if you need S.Bus in future you can open the box, take tweezers and carefully change positions of BLUE and GREEN cables.
  • S.Bus is more complicated interface. It can control all camera options with one single cable, but needs external power and Arduino based controller.
  • LANC is another type of common interface. It is always mapped to separate bottom 2.5mm jack socket and can be used simultaneously with PWM/S.Bus.


  • This Expansion designed to fit to SmallRig BMMCC 1773 cage and to dimensions of my other accessories. It also fits to WoodenCamera cage but very tight. In some situations it may not fit.
  • This Expansion Box designed as flexible and free adjustable DIY device. It is not made for any specific single controller in mind. Everything is connected with tiny Dupont Jumpers, so you can open the box and easily change cables configuration.
  • All pinout specs and connection charts information is available here.
  • This Expansion Box provides separate S.Bus (or PWM or Genlock or Analogue video out), LANC and DC power connection.
  • This Expansion Box uses 3 pole TRS jack sockets.
  • !!! Please note that CGpro Remote and One Little Remote Light Controllers use 4 pole 3.5mm TRRS jack connection that combines S.Bus+LANC interface in one cable. They will not work "as is" with this Expansion Box. However to use those controllers with this Expansion Box you need custom made DIY cable. 4 pole TRRS jack to 3 pole TRS jack. See this post for details http://www.bmcuser.com/showthread.php?19574-PWM(S-... !!!
  • I don't have planes to implement 4 pole 3.5mm TRRS jack socket connection into my Expansion Box because i think that it is just bad idea to mix two different interfaces (S.Bus and LANC) in one cable. It is also impossible preserve free adjustable concept if use 4 pole TRRS sockets.

Tech Specs:

  • 1 x 3.5mm TRS jack socket for PWM, S.Bus or any other user selectable inputs/outputs.
  • 1 x 2.5mm TRS jack socket for LANC input.
  • 1 x 5.5x2.1mm (5.5x2.5mm compatible) 12V DC power input socket.
  • 1 x DB-HD15 serial connector.
  • Dimensions: 34x34x29mm
  • Weight: 40g

Package includes

  • - Angle Breakout Expansion Box
  • - 2pcs #4-40UNC screws (Stainless Steel or Black Oxide Steel for your choice)
  • - 3/32 allen wrench hex key

Installation tutorial:

  1. Insert Expansion Box into the camera.
  2. Tight UPPER screw.
  3. Slightly tight LOWER screw. (If you tight lower screw first, this can cause Expansion Box inserted unevenly because camera side has slightly curved shape)

Wires inside the box for BMMCC are marked with colors:

  • S.Bus power (tip) [BLUE]
  • S.Bus signal (ring) [GREEN]
  • S.Bus ground (sleeve) [WHITE]
  • LANC signal (tip) [YELLOW]
  • LANC power (ring) [ORANGE]
  • LANC ground (sleeve) [GREY]
  • Power +12V DC (center pin) [RED]
  • Power ground [BLACK]

Wires inside the box for BMMSC are marked with colors:

  • Genlock (tip) [BLUE]
  • S.Bus signal (ring) [GREEN]
  • Genlock/S.Bus ground (sleeve) [WHITE]
  • LANC signal (tip) [YELLOW]
  • LANC power (ring) [ORANGE]
  • LANC ground (sleeve) [GREY]
  • Power +12V DC (center pin) [RED]
  • Power ground [BLACK]

ARRI Type Offset Rosette Mount Module for BMMCC by RADIOPROEKTOR. This is next step to complete a BMMCC rig kit. The main idea of this accessory is to allow easy access to camera buttons and same time keep rosette mounting point as close as possible to camera gravity center. This mount also can be used with many other rigs and cages with 9mm distance between threaded holes. Symmetrical dual handle config possible as well. It is precisely CNC machined and uses quality stainless steel ARRI type rosettes. More info about earlier development here http://www.bmcuser.com/showthread.php?20764

Assembled kit includes:

  • 1pcs Rosette Mount (factory CNC machined aluminum alloy, anodized in black color).
  • 1pcs Stainless Steel ARRI type Rosette.
  • 2pcs 1/4"-20 5/8" length Black Oxide button head screws.
  • 4pcs M3 Stainless Steel screws.

Tech Specs:

  • ARRI Standard Rosette with M6 thread.
  • Distance between mounting holes centers: 18mm.
  • Weight: 47g.

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