SKU: 67058784375

LEE Filters 150 x 150mm ProGlass IRND 4.5 Filter (15-Stop)

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Description

LEE Filters 150 x 150mm ProGlass IRND 4.5 Filter (15-Stop)For SW150 Series Filter Holder 32,000x Filter Factor, 15 Stop Darkens Entire Image Allows Reduced Shutter Speed Allows Wider Aperture Neutral Results, Visible, & IR Spectrums Scratch Resistant, Optical Glass Gasket for Light Blocking Seal Exposure Guide Padded Pouch The 150 x 150mm ProGlass IRND 4. 5 Filter from LEE Filters is an ND filter with a 32,000x filter factor that provides a 15 stop exposure reduction. Its 4. 5 density creates a darkening of

  • For SW150-Series Filter Holder
  • 32,000x Filter Factor, 15-Stop
  • Darkens Entire Image
  • Allows Reduced Shutter Speed
  • Allows Wider Aperture
  • Neutral Results, Visible, & IR Spectrums
  • Scratch Resistant, Optical Glass
  • Gasket for Light-Blocking Seal
  • Exposure Guide
  • Padded Pouch

The 150 x 150mm ProGlass IRND 4.5 Filter from LEE Filters is an ND filter with a 32,000x filter factor that provides a 15-stop exposure reduction. Its 4.5 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By slowing your exposure time or increasing your aperture, you can control depth of field and convey movement more easily. Neutral density filters are intended to not affect the coloration of the image and are ideal for pairing with other filters.

The design of this filter has been optimized for use with digital sensors and to promote nearly flat attenuation of visible and infrared light. Due to imaging sensors' greater susceptibility to infrared light, compared to traditional film, color casts can occur when photographing darker subjects that require increased exposure times.

This 150 x 150mm ProGlass IRND 4.5 Filter is constructed from scratch-resistant, optical glass for clarity as well as color fidelity and features a built-in gasket. This gasket works with a compatible LEE Filters SW150-series filter holder with an integrated or add-on Lightshield to help form a seal that is intended to prevent stray light, which could have unwanted effects on exposure, from coming in between the filter and the lens behind it. For efficient use in the field, an exposure guide is included that shows the amount of exposure reduction the 150 x 150mm ProGlass IRND 4.5 Filter provides, corresponding to a range of shutter speed settings from 1/1,000th of a second to 2 seconds before the filter is applied.

  • Compatible with a Lee Filters SW150-series filter holder.
  • 150 x 150mm neutral density filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required.
  • Providing a 15-stop exposure reduction, this filter allows you to control depth of field and convey movement more easily.
  • Filter does not affect coloration of the image and is appropriate for use with other filters.
  • Attenuates infrared light as well as visible wavelengths, to maintain color neutrality and suppress color casts due to increased exposure times.
  • Constructed from optical glass for clarity.
  • When combined with a LEE Filters SW150-series filter holder, built-in gasket helps to prevent light from coming in between the filter and the lens behind it, which can have an unwanted effect on exposure.
  • Exposure guide for efficient use in the field.
  • Padded pouch included for storage and transport.
In the Box
LEE Filters 150 x 150mm ProGlass IRND 4.5 Filter (15-Stop)
  • Filter Pouch
  • Exposure Guide
  • Limited Lifetime Warranty
Filter Type Solid ND Combination
Combination Type IR Attenuation
Density 4.5 (15 Stops)
Shape Rectangle
Rectangular Size 5.91 x 5.91" / 150.0 x 150.0 mm
Filter Thickness 0.08" / 2 mm
Filter Material Glass
Packaging Info
Package Weight 0.65 lb
Box Dimensions (LxWxH) 7.9 x 7.6 x 0.8"
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
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Exchange/Return Notes
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SKU: 67058784375

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Colin MacLeod
Boise, US
★★★★★ 5
Masterful, Hilarious, and Insightful
Format: Hardcover
The writing style reminded me at times of Michael Lewis ("The Big Short", "The New New Thing") in the way Jason Schreier captures the madness of gaming executives trying to succeed despite their bosses. The way the book describes various antics often had me chuckling or even laughing out loud: "As Pardo's responsibilities grew and his time became stretched between projects, he became known for what many of his subordinates called seagull management: He would swoop down, poop on ideas, and then fly away." It's full of insight about what makes a good game, or even a good remake of a game: "One tenet, adapted from legendary Civilization designer Sid Meier, was that one-third of the units should return from the old game, one-third should be modified versions, and one-third should be brand-new." This book is masterful. I found it impossible to put down: one of the very best books I've ever read about a games company, or any company for that matter. If you are in the games industry, you like reading about crazy businesses or you just like games, get it.
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Reviewed in the United States on April 19, 2026
E
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Exterminator
Draper, US
★★★★★ 4
"Inside Blizzard: The Creativity, Crunch, and Corporate Clash in Play Nice”
Format: Hardcover
Positive: "Play Nice" by Jason Schreier is a fun, eye-opening dive into the highs and lows of Blizzard Entertainment. Schreier does a fantastic job unpacking the tension between Blizzard's creative magic and the corporate pressures that started to shift the company’s culture, especially after its merger with Activision. It's filled with juicy insider stories that give you a sense of what it’s really like to work at a powerhouse game studio. For any gamer or industry enthusiast, it’s a fascinating look behind the curtain that also feels relatable for anyone who's had their passion collide with corporate demands. Negative: On the downside, the book sometimes gets a bit repetitive. Schreier really drills in on the company's struggles with work-life balance and workplace culture, which are important but can feel like they’re hitting the same notes over and over. And while the insider jargon adds authenticity, it can be a little hard to keep up if you’re not already familiar with game dev lingo. But honestly, these are minor gripes in what’s otherwise a great read about the complex, often messy reality of making games.
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Reviewed in the United States on November 2, 2024
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Kyle
Omaha, US
★★★★★ 5
From Pixels to Problems! Great read!
Format: Hardcover
“Play Nice” offers an enjoyable deep dive into the tumultuous history of Blizzard Entertainment, chronicling its journey from a ragtag group of brilliant college students to its evolution under corporate ownership and its current state. Schreier provides fascinating insights into the antics of Blizzard’s early employees, showcasing their outlandish attitudes, relentless work ethic, and tight-knit camaraderie. The book explores how Blizzard transitioned from a company renowned for producing high-quality, polished games that left competitors in the dust to one struggling to preserve its heart and soul amid mounting corporate pressures. While the corporate side and C-suite executives are often cast in a negative light, Schreier thoughtfully examines the motivations behind their decisions, offering perspectives from all levels of the company—from executives and middle management to QA testers. This balanced approach provides a refreshing take, avoiding oversimplified blame and instead considering multiple sides of the story. And while it’s easy to villainize the suits in the boardroom, Schreier does a great job showing why some decisions were made. From executives to QA testers, he pulls back the curtain to reveal a mess of perspectives, reminding us that every bad decision has some kind of reason behind it (even if it’s still a bad decision). The book also revisits the scandals that put some serious smudges on Blizzard’s reputation, offering new angles and fresh commentary. As someone who once lived for Blizzard games—cheering at Overwatch League matches and losing entire weekends to Diablo marathons—I can’t help but root for Blizzard to find its way back to glory. And hey, if it means waiting another decade for their next masterpiece, so be it. It’s done when it’s done.
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Reviewed in the United States on January 6, 2025
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Heather R. hayton
Waukegan, US
★★★★★ 5
Reads like your favorite succession episodes
Format: Hardcover
Great book—thoroughly researched and delightfully written! Highly recommend to all my gamers and friends from that era.
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Reviewed in the United States on December 12, 2025
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Felipe
Waukegan, US
★★★★★ 4
Great insight into an otherwise obscure world
Format: Hardcover
As someone who grew up playing blizzard's games for an unfathomable amount of hours I've always been interested into their inner workings, especially considering their downfall in recent years. This book holds a ton of information and knowledge, is well sourced, and is the work of someone with obvious deep familiarity with the industry and its particularities. Besides the information itself, the book it written in fun and interesting prose, and it keeps the rhythm fast and entertaining, so it reads more like a novel than a journalistic article. Overall, an entertaining piece of insight into a world that is normally quite unknown, even to long time gamers like myself.
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Reviewed in the United States on April 15, 2026

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