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M2 Cinema Lens Adapter Setup Manual

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M2 Cinema Lens Adapter

Setup Guide

© 2006 Redrock Microsystems, LLC. All Rights Reserved.

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Summary of Contents for M2 Cinema Lens Adapter

  • Page 1: M2 Cinema Lens Adapter

    M2 Cinema Lens Adapter Setup Guide © 2006 Redrock Microsystems, LLC. All Rights Reserved.

  • Page 2: Warranty

    M2 Cinema Lens Adapter Manual WARRANTY Redrock Microsystems LLC (REDROCK MICRO) warrants that its accessories, when installed in accordance with REDROCK MICRO installation instructions, will perform in accordance with the REDROCK MICRO specifications current as of the date of shipment, and will be free from defects in material and workmanship for a period of one (1) month on new accessories as defined below and thirty (30) days on repaired accessories and/or components.

  • Page 3: Table Of Contents

    Attach the entire assembly to your tripod................. 21 Set the back focus......................21 Attach your 35mm lens to the lens mount on the M2........... 25 Replacing the Lens Mount (Optional/Additional) ............25 Replacing the Lens Mount ....................25 Replacing the Flange......................
  • Page 4 M2 Cinema Lens Adapter Manual Welcome Congratulations on your purchase of the M2 Cinema Lens Adapter! Redrock Microsystems is committed to providing low cost, high quality cinema accessories to the independent filmmaker. This manual describes basic setup procedures. Online video tutorials demonstrating setup are available on our website in the user forums area.

  • Page 5: Overview

    Overview Congratulations on your purchase of the Redrock Microsystems M2 Cinema Lens Adapter! We are making every effort to provide you with the finest Cinema Lens Adapter available at any price. We hope you enjoy our product. The image sensors in most video cameras are too small to provide cinematic depth of field control. It is...

  • Page 6: Package Contents

    M2 Cinema Lens Adapter Manual Package Contents Please verify contents of your package before attempting the initial setup of your M2 adapter. A copy of the sales order or a packing list is included with your shipment. Use this document to verify all components were shipped.

  • Page 7: Introduction To The M2 Cinema Lens Adapter

    The 35mm lens and the Cinescreen together work very much like a Camera Obscura or like a View Camera. You can verify this by taking the M2 with a 35mm lens attached and looking into the back (camera side) of it at the Cinescreen. You will see an inverted image.

  • Page 8: Why The Image Is Inverted

    And the extra glass provides greater opportunities for image distortion. So, for better quality images and a broader range of use, the M2 leaves the image inverted in the camera. Now that means the image will be inverted in the viewfinder and in the camera’s LCD, which can complicate framing scenes.

  • Page 9: Required Equipment

    M2 adapter, . While other supports may work, we recommend the Redrock support. In particular, light weight support systems have been found to not consistently hold the M2 in the correct position. In this manual we will describe setting up the M2 with the Redrock M2 Rod Support System.

  • Page 10: Video Camera

    In particular, you will need to have manual control over the focus and iris to use the M2. The M2 is designed for use with a 72mm lens that is common on many of the professional Cinematic Video Cameras. Some video cameras with larger or smaller lenses will require adapter rings or spacers to attach the camera to the M2, and may require s shim kit to raise the camera so that the lens center is 50mm above the base plate.

  • Page 11: Parts Guide For The M2 Cinema Lens Adapter

    M2 Cinema Lens Adapter Manual Parts Guide for the M2 Cinema Lens Adapter M2 Cinema Lens Adapter M2 Cinema Achromatic lens An achromatic lens that enables your video camera to focus on the Cinescreen. Adjustable gasket attaches the M2 to the Rubber Hood Camera Mount achromatic lens.

  • Page 12: Installing The 9-Volt Battery In The M2 Housing

    Some people have used rechargeable batteries strapped to the outside of the M2 Housing and connected through the AC adapter receptacle to power the motor. At least one person has reported leaving the M2 motor running on a single 9-volt battery and it was still in operation after 24 hours. Your experience may vary.

  • Page 13: Setting Up The M2 Cinema Lens Adapter

    M2 Cinema Lens Adapter Manual Setting up the M2 Cinema Lens Adapter Attach camera to the rod support quick release plate. A rubber plug in the quick release plate will allow you to remove the extra thumbscrews provided. Then attach the quick release plate to your camera using the 3/8” or ¼” thumbscrews provided. If your camera has multiple screw holes, you may want to use more than one thumbscrew to attach the plate to ensure that it is stable.

  • Page 14: Attach The Camera Assembly To The Rod Support

    Slide the M2 adapter onto the rods. Slide the M2 Housing onto the rods. Push it forwards until the flexible hood on the back of the M2 Housing just touches the front lip of the Achromatic Lens. Secure the M2 to the rods using the clamp on the side of the M2 Rod Housing.

  • Page 15: Adjust The Vertical Alignment With The Optional Shim Kit

    M2 Cinema Lens Adapter Manual The center of the camera lens must be perfectly aligned with the center of the M2 Cinema Lens Adapter. If the camera is not centered vertically, then you will need to perform step 5, vertical alignment, using the optional shim kit.
  • Page 16 M2 Cinema Lens Adapter Manual Shimming the rods will raise the rods so that the M2 and other accessories such as a Follow Focus and Matte Box will be properly aligned with the camera. Shims come in 1/4”, 1/8”, and 1/16” thicknesses. Estimate the combination of shims required by stacking them on top of the Hood up to the level of the top of the front lip of the Achromatic Lens.

  • Page 17: Adjust The Horizontal Alignment

    (8) Return the rods to the Rod Support base. They will no longer fit completely beneath the rod support block. This is normal. There is still sufficient support for this application. (9) Return the M2 Housing to the rods, slide it forwards, and verify that the vertical alignment is now correct.
  • Page 18 M2 Cinema Lens Adapter Manual (3) Loosen the M2 Rod Support Quick Release Clamp so that the camera can slide forwards. (4) Carefully and slowly slide the camera forwards until the front of the Achromatic Lens is touching the M2 Housing.
  • Page 19 M2 remain perpendicular to the camera and are not askew. (7) Turn on your camera while it is still resting on top of the M2 Housing and zoom out. (8) Prepare for Fine Alignment a. Turn camera auto iris ON.
  • Page 20 (12) Carefully and slowly return the camera and rod system to its original position so that the weight of the camera is resting on the rods and not on the M2 Housing. (13) Slide the camera back from the M2 Housing and secure it in position with the M2 Rod Support Quick Release Clamp.

  • Page 21: Attach Tripod Quick Release Plate To The Rod Support Base

    Attach the entire assembly to your tripod. Slide the entire Rod Support System, containing the camera and the M2, into your tripod’s base and secure it with the tripod’s clamp.
  • Page 22 M2 Cinema Lens Adapter Manual (1) Remove the 35mm lens if it is attached to the M2. The back focus is set with the 35mm lens off. (2) Point the camera and M2 at a moderately lit, light colored target. The rest of the process requires looking through the camera’s viewfinder, LCD, or an external monitor.
  • Page 23 The dark object in the lower center of the LCD is the M2 motor. The dark shadows in the upper corners of the LCD is the M2 Housing and the barrels of the various optical elements. The objective is to use your camera’s controls to zoom into the Cinescreen between these dark areas.
  • Page 24 (7) Set the focus Make sure the M2 motor is OFF. You will want to use all of the focus assist tools that your camera offers to set the back focus.

  • Page 25: Attach Your 35Mm Lens To The Lens Mount On The M2

    The lens mount assembly on the M2 Housing consists of the lens mount, which is the part that connects to the 35mm lens, and the flange, which is the metal tube that connects to the M2 Housing and provides a seat for the lens mount.

  • Page 26: Replacing The Flange

    (1) Open the M2 Housing by removing the four screws from the cover and carefully remove the cover assembly containing the battery, motor, and Cinescreen. Set the cover assembly aside. (2) There are four screws on the inside of the M2 Housing that hold the flange in place. Remove the four screws.
  • Page 27 M2 Cinema Lens Adapter Manual This page intentionally blank. page 27 ©2006 Redrock Microsystems, LLC. All Rights Reserved.

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