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PolarPro Peter McKinnon Series Helix 1/4 Black Mist MagLock Lens Filter System

PolarPro Peter McKinnon Series Helix 1/4 Black Mist MagLock Lens Filter System - Main image
$179.99 $249.99 In stock

Category: Camera Filters

McKinnon Helix Black Mist | 1/4 Strength

PM-MST

1/4th Black Mist filter is our most popular strength. It smooths skin tones and creates smooth highlight roll-off while preserving shadow depth.

  • 1/4 Strength Black Mist for smooth highlight rolloff and deep shadow preservation
  • 5x Faster than threading filters on
  • Magnetic + quarter turn to fully lock down the filter
  • Brass filter frames and thread bases
  • No vignetting down to 17mm with 1 filter
  • Preset stop range for zero cross polarization
  • Includes Filter + Defenders - Requires Helix BasePlates sold separately

Never Thread A Filter Again

We’re making the drag of threading filters a thing of the past. No more cross-threaded filters getting stuck and taking forever to swap. Helix MagLock is the future of filters and we’re developing our entire suite of glass to support it. Featuring our most advanced glass technology to date, resulting in razor-sharp optics with zero color shift in all lighting conditions.

Instant Filter Swaps Across Your Entire Lens Arsenal

Helix MagLock™ makes it possible to switch filters even faster than you can change lenses, seamlessly integrating into your workflow.

Brass Construction + Rubber Trim

Unlike other magnetic filters on the market, Helix MagLock is comprised of magnetic design that keeps your filters and defender caps securely in place until you are ready to move them.

MagLock Technology

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Customer Reviews (5.0 / 5 · 5 reviews)

Penelope ★★★★★

The magnetic lock system makes swapping filters mid-shoot effortless, and the 1/4 strength is perfect for smoothing skin without losing detail in the shadows. It’s become a staple on my kit.

Riley B. ★★★★★

I’ve been using this on my 24-70mm and the highlight roll-off is honestly dreamy, giving portraits a subtle cinematic softness without washing out the shadows. The magnetic attachment makes swapping lenses on a shoot so much faster.

Elizabeth ★★★★★

The 1/4 strength black mist is exactly the sweet spot—it softened my model’s skin in a portrait shoot without flattening the shadows in her hair. The magnetic lock ring clicks on and off in under a second, which made switching between this and a clear filter feel effortless during a fast-paced sessi