SKU: 28197463638

Blackmagic Design Spares - Camera URSA Mini Pro - IR Filter

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Description

Blackmagic Design Spares - Camera URSA Mini Pro - IR FilterThe Blackmagic Design Spares Camera URSA Mini Pro IR Filter is a precision cut, coated optical glass element that sits directly in front of the sensor. While this part fits the 4. 6K, 4. 6K G2, and 12K models, the specific coating and thickness are critical to maintaining the color science and focus accuracy of the URSA Mini Pro line. Unlike the Pocket Cinema Cameras, the URSA's IR filter is part of a more robust sensor block assembly, designed to be

The Blackmagic Design Spares - Camera URSA Mini Pro - IR Filter is a precision-cut, coated optical glass element that sits directly in front of the sensor. While this part fits the 4.6K, 4.6K G2, and 12K models, the specific coating and thickness are critical to maintaining the color science and focus accuracy of the URSA Mini Pro line.

Unlike the Pocket Cinema Cameras, the URSA's IR filter is part of a more robust sensor block assembly, designed to be serviced in professional environments.


Core Responsibilities

  • Infrared Suppression: Its primary task is to block IR light wavelengths. Digital sensors are "too sensitive" to IR; without this filter, black fabrics look muddy brown/magenta, and skin tones lose their natural warmth.

  • Environmental Shield: This glass is the only thing standing between the outside world and the actual silicon sensor. It protects the sensor from dust, moisture, and physical contact during lens changes.

  • Refractive Index Matching: The thickness of this glass is calculated into the camera's flange focal distance. If it is removed or replaced with a non-OEM part, your lenses will no longer hit their infinity focus marks correctly.

When to Replace the IR Filter

  • "Magenta Shift": If your blacks look purple even with no ND filters used, the IR-cut coating may have oxidized or "failed" over time.

  • Cleaning Scratches: If a sensor swab with a piece of grit on it was dragged across the glass, it will leave a permanent scratch that appears as a soft, blurry line in your footage.

  • Delamination/Clouding: In high-humidity environments, you might see "rainbow" patterns or foggy patches inside the glass. This is the multi-layer coating separating from the glass base.

  • Physical Pitting: Small "chips" in the glass caused by debris hitting the sensor during high-speed filming (e.g., car-to-car shooting without a lens).


Technical Installation Note

DANGER: Level 4 (Expert) Repair. This is the most delicate physical operation you can perform on an URSA.

  1. Dust is the Enemy: You must work in a "clean box" or a room with an active HEPA filter. Any dust trapped behind this glass during installation will be permanently visible and cannot be cleaned without taking the camera apart again.

  2. Gasket Seating: The filter sits on a rubber gasket. If this gasket is twisted or not seated flush, the filter will sit at an angle. This causes "planarity issues," where the left side of your image might be in focus while the right side is soft.

  3. Torque Calibration: The retaining ring or screws must be tightened evenly (in a "star" pattern). Over-tightening can crack the filter or stress the sensor board.

  4. Flange Focal Check: After replacing the glass, it is professional practice to check the "back focus" of the camera. You may need to add or remove shims from your lens mount (EF, PL, or F) to compensate for the new glass.


Identifying the Failure

Symptom Probable Cause
Magenta blacks in sunlight Failed IR-cut coating (Replacement required)
Small black spots at $f/22$ Simple dust (Try a blower first)
Soft, blurry spots at all f-stops Physical scratch or oil (Attempt wet clean, then replace)
Rainbow "oil slick" patterns Coating delamination (Replacement required)

Expert Advice: Many users mistake internal ND filter dust for IR filter dust. Cycle through your ND filters ($2, 4, 6$ stops). If the dust spots move or disappear when you change NDs, the problem is your ND assembly. If the spots stay exactly the same on "Clear" and all ND settings, the dust is on this IR filter.

Are you noticing permanent marks on your footage, or are you trying to fix a color-cast issue?

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SKU: 28197463638

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Melissa Williams
West Palm Beach, US
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
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Austin & Cambria
Omaha, US
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me. I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
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Reviewed in the United States on February 21, 2025
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Sarah A
Belleville, US
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
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Reviewed in the United States on December 27, 2025
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Jewell Urbano
Dallas, US
★★★★★ 5
Wow.
Format: Kindle
Okay I’m usually not one for stand-alone’s I’m an avid series reader but my goodness am I so happy I read this! This story was brilliant & so absolutely mesmerizing. I loved reading about each character and their struggles as well as what helped them to move forward. The ending definitely brought tears to my eyes so hard. I truly wasn’t expecting some of what happened in this story. There is about to be a spoiler I am going to reveal so please stop reading if you don’t want the spoiler !!!! ⚠️ ⛔️ ‼️ I loved that the author didn’t do what most authors do with irredeemable male characters. I truly was hoping that Nate Jr. would be apart of the pack after the way he treated Astrea bc he truly didn’t deserve it. Though I must say you did a wonderful job or redeeming him as a person. I cried my eyes out when he walked into the story. I was truly terrified he was going to be a bad guy to the end. However you truly did him such a justice by having him realize his faults & having him redeem himself in the most wonderful way. I’m so sad that he didn’t get to hear how much his brother loved him & forgave him before dying. But again you wrote that ending so beautifully & I just can’t express how much I loved this story & how you took a different route than most authors I have read have. You are a remarkable author Cinder Blaze & I thank you generously for creating such a masterpiece.
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Reviewed in the United States on April 28, 2025
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Kristen Linscott
Omaha, US
★★★★★ 4
Omegaverse
Format: Kindle
I was pleasantly surprised by this omega verse book. This 1 definitely had a few new twists And I really enjoyed reading it. The main female character was a badass and awesome. She had 1 best friend I wish we could have seen a little bit more of their friendship in this book. Her relationship with the male characters was good not to contrived or super instantaneous. And we had some fun plot twists that I didn't expect. I wish we had more of a follow up on the situation with her family her background and her mother who was a wench. I would definitely recommend this book.
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Reviewed in the United States on April 9, 2025

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