NISI CINEMA FILTERS | Review | Why I use these for my BMPCC 6K

Here's a truth that applies to filmmaking and life... what you let in determines what comes out. Florent from Of Two Lands learned this the hard way when he made the Blackmagic Pocket Cinema Camera 6K his primary work camera and realized his cheap circular NDs were quietly poisoning his image.

The Invisible Problem

Most filmmakers know they need ND Filters to shoot outdoors. Keep your shutter speed and aperture where you want them, even when the sun is screaming. Basic stuff.

But here's where it gets interesting.

Traditional ND filters block visible light. That's their job. What they don't block is infrared light... and digital sensors are hungry for it. The result? IR pollution creeps in. Magenta color shifts. Artifacts in your blacks. Your footage looks subtly wrong and you can't always pinpoint why.

Florent shows a shot where a black shoe turns magenta. Not dramatically... just enough to make you question your grade. That's the sneaky part. Infrared contamination doesn't announce itself. It just quietly degrades your work.

Blackmagic Design cameras are particularly susceptible to this. So when Florent shifted from his Canon C200 (which had internal NDs built in) to the BMPCC 6K as his main work camera, he knew he couldn't keep cutting corners.

The Solution: IRND Filters

IRND filters do what regular NDs do... block visible light... but they also handle the infrared spectrum. NiSi accomplishes this through dual-sided nano coating and dedicated infrared light control. The blacks stay rich. The colors stay true.

Florent's setup is intentionally minimal. Three filters:

- IRND 0.9 (3 stops) — Handles 90% of his outdoor work - IRND 1.8 (6 stops) — For extreme brightness, like beach shoots with reflective ocean - Black Mist 1/8 — Softens that clinical digital edge, especially useful for interviews

That's it. No massive kit. No overthinking. Just the tools that cover real-world scenarios.

This is the part I appreciate most. He didn't buy every option available. He studied his own workflow, identified what he actually needed, and built a focused set. There's wisdom in that restraint.

The Workflow Advantage

The NiSi Cinema Filters are 4x5.65 format... standard matte box size. One set works across every lens and every camera Florent owns. No more hunting for the right thread size. No more unscrewing circular filters between takes while your talent waits.

Slide one out. Slide another in. Done.

Florent tested them with two different matte boxes, including the Tilta Mini Matte Box, and the 4mm thickness conforms to both filter cages and cageless designs. The filters are also scratch-resistant, oil-resistant, and water-resistant... critical for an outdoor filmmaker who regularly shoots on beaches and mountains.

The anti-reflective coating reduces glare. A color checker comparison shows virtually no color shifting compared to competitor filters. The technical receipts are there.

The Black Mist Factor

The Black Mist 1/8 filter deserves its own mention.

Modern digital cameras are almost too sharp. Every pore. Every imperfection. The image is clinically precise in a way that can feel... sterile. The Black Mist softens highlights into a subtle haze, lowers overall contrast just a touch, and gives the footage a quality that feels more cinematic. More human.

Florent uses it primarily for interviews and portraiture. The 1/8 strength is gentle enough that you're not losing detail... you're just taking the edge off. Think of it like the difference between fluorescent office lighting and golden hour. Same room. Different feeling.

The Honest Cost

This is where Florent keeps it real. A single NiSi IRND filter runs about $250 USD ($350 AUD). A working set plus a matte box adds up fast.

He also notes the practical downsides:

- Fragility — No frame around the glass. Drop one and you're out a filter. - Handling — Fingerprints happen easily when there's no frame to grip. - Solo shooting — Swapping filters alone can be tricky and time-consuming. - Weight — A kit of two or three adds bulk to your travel bag.

But his framing matters. He compares it to investing in a quality lens or light... something you buy once that serves you for years. The cost per use drops with every shoot.

What This Really Teaches

Zoom out from the gear for a second.

Florent didn't just buy filters. He made a deliberate choice about what touches his work before it reaches the sensor. He identified an invisible problem (IR pollution), found a precise solution (IRND filtration), built a minimal kit around his actual needs, and accepted the trade-offs honestly.

That's not a gear review. That's a framework for making any creative investment.

Know what's degrading your output. Find the right tool... not every tool. Build lean. Acknowledge the cost. Move forward.

The glass you put in front of your glass matters. And by extension... what you allow to filter your vision, your work, your energy... shapes everything downstream.

Whether you're shooting on a BMPCC 6K or building anything that matters with your hands and your time... audit your filters. Not just the glass ones. What are you letting through that's quietly shifting your colors? What invisible contamination are you tolerating because you haven't looked closely enough? Sometimes the upgrade isn't more gear. It's better filtration. 💙

--- Source: https://www.youtube.com/watch?v=PIDq2WQOf6I