SKU: 24460379737

Blackmagic Design PL Mount Shim Kit

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Description

Blackmagic Design PL Mount Shim KitBlackmagic Design PL Mount Shim Kit The Blackmagic Design PL Mount Shim Kit is a critical technical accessory for cinematographers using the URSA, URSA Mini, URSA Mini Pro, or URSA Broadcast cameras. This kit is used to precisely calibrate the flange focal distance (the distance between the lens mount and the camera sensor), a process commonly referred to as "shimming" the mount. Purpose and Functionality In professional cinematography, focus marks on

Blackmagic Design PL Mount Shim Kit

The Blackmagic Design PL Mount Shim Kit is a critical technical accessory for cinematographers using the URSA, URSA Mini, URSA Mini Pro, or URSA Broadcast cameras. This kit is used to precisely calibrate the flange focal distance (the distance between the lens mount and the camera sensor), a process commonly referred to as "shimming" the mount.

Purpose and Functionality

In professional cinematography, focus marks on a lens must be accurate. If the distance between the lens and the sensor is off by even a fraction of a millimeter, the lens may not hit "infinity focus" correctly, or its focus scales may become unreliable.

  • Back Focus Calibration: Shims are used to adjust the camera's back focus to compensate for manufacturing tolerances in either the camera body or the specific PL-mount lenses being used.

  • Ensuring Lens Accuracy: By adding or removing shims, you ensure that a lens focused at 10 feet on the barrel is actually focused at exactly 10 feet on the sensor.

Kit Contents

The kit typically includes a selection of ultra-thin, color-coded rings that are placed behind the lens mount.

  • Set of 8 Shims: The kit contains multiple shims of varying thicknesses, allowing you to stack them to achieve a specific total thickness.

  • Baffle Tool: Some versions of the kit include a specialized tool to help remove the internal light baffle or the lens mount assembly without damaging the sensor's glass.

  • Color-Coding: Each shim is color-coded (often in shades like tan, red, or clear) to represent a specific thickness in millimeters, making it easier to track adjustments.

Compatibility

This kit is specifically designed for the interchangeable lens mount system found on Blackmagic’s high-end cinema cameras:

  • URSA Mini Pro (4.6K, G1, G2, 12K): Essential when swapping from the default EF mount to the optional PL mount.

  • URSA Broadcast G2: Critical for ensuring cinema PL glass performs correctly on the broadcast sensor.

  • Blackmagic Cinema Camera 6K (L-Mount): While the camera uses L-Mount, users who utilize the Blackmagic PL Mount adapter may require shims to ensure that adapted PL lenses maintain proper infinity focus.

How to Use the Kit

Shimming is a delicate process that should be performed in a clean, dust-free environment.

  1. Mount Removal: Use a 2.0mm hex key to remove the screws holding the existing lens mount onto the camera body.

  2. Placement: Place the desired shim (or combination of shims) onto the camera body, ensuring they sit flat against the mounting surface.

  3. Reassembly: Re-attach the PL mount and tighten the screws in a "star pattern" to ensure even pressure.

  4. Testing: Mount a wide-angle lens, set it to infinity, and check the image on a high-resolution monitor or using the camera’s focus peaking tool. If infinity focus is not achieved, the shim thickness must be adjusted.

Operational Insight

For rental houses and professional DPs, shimming is a standard part of "camera prep." Because temperature changes and physical wear can slightly shift a camera's flange distance over time, having a shim kit on hand is vital for maintaining professional standards. It is often recommended to use a Siemens Star chart or a Projector during this process to verify that the focus is sharp across the entire frame.

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SKU: 24460379737

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Mrs. G
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Weight Gain??
These pills are a great buy considering the ingredients aside from the coloring. Has anyone else experienced weight gain?? I'm trying to figure out if it's these vitamins or the other vitamins I'm taking.
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Houston, US
★★★★★ 5
The transformative power of stories, not checklists
Format: Hardcover
As someone familiar with previous writings from Keller and Inazu, I was eager to get this book--it did not disappoint. Both gentlemen are serious scholars, so one might have expected a weighty or dense theological treatise. Instead, they oriented the project around stories--individual stories that faithfully reflect personal versions of the grand Story of redemption, hope, beauty, truth, and justice. Rather than offering long lists of direct recommendations to other people (whose contexts will inevitably be different), these stories target the soul. As such, these stories offer vivid and practical insights to my particular context, but they do so indirectly, authentically, and inspirationally. As Keller has written elsewhere, no one changes his behavior because he's told he needs to change--he must be SHOWN. This book doesn't just tell us what authentic Christianity looks like in our polarized world, it shows us--and it does so exceptionally well. Highly recommended if you want to challenge your soul with diverse renderings of faithful living. Direct application to your life and specific recommendations for action will no doubt emerge, but they'll come from the inspiration of the Holy Spirit working through the power of Story.
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makabocha
Carnegie, US
★★★★★ 5
So helpful and inspiring, too
Format: Hardcover
I bought both a hard copy and listened to it on Audible. As someone who is seeking to live faithfully in a world of difference in my workplace and community, this was an incredibly helpful book. I also can't help but think just how perfect this book is for our moment of national reckoning around race. NOW more than ever, folks need to read this book! I found myself weeping during Tom Lin's chapter, as I found resonance in my own experience growing up in an immigrant family, and I found myself incredibly inspired through that and so many other chapters as well. Other reviewers have critiqued the lack of specificity...for me, that was helpful, because everyone's context is so different. I was still able to take away what I needed. These are very thoughtful believers who come from very different walks of life, and it was a treat just to see the world from their view each chapter. Thank you, John Inazu and Tim Keller, for the rich contribution of this book to the Christian conversation about our place in the public sphere.
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Tondra surveys
Massapequa, US
★★★★★ 4
Great Book
Format: Paperback
I am reading this book for our Sabbath school study. Great reading. Submissions are made by real people trying to live right in a wrong, so wrong world. Very applicable to real life.
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Reviewed in the United States on February 26, 2024

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