Question 1

What does a 2 to 5 stop variable ND filter actually do?

Accepted Answer

A variable ND filter reduces the amount of light entering your lens. A 2-stop reduction cuts light to 1/4, and a 5-stop reduction cuts it to 1/32 of the original. With this range you can keep a cinematic 180-degree shutter rule (e.g. 1/50s at 25fps) in bright daylight without overexposing, or shoot wide open for a shallow depth of field outdoors.

Question 2

What makes the Peter McKinnon Edition different from a standard PolarPro Vario ND?

Accepted Answer

The Peter McKinnon Edition is a co-designed version developed with the Canadian photographer and filmmaker. It targets the 2–5 stop range specifically to avoid the colour cast and cross-polarisation (the 'X' pattern) that wider-range variable NDs often produce at their extremes. The tighter range is a deliberate trade-off for better optical quality across the usable dial.

Question 3

Is buying a used PolarPro filter worth it?

Accepted Answer

Yes — filters are among the safest used purchases in photography gear. They have no moving electronic parts, and optical quality is easy to assess visually. At Camera-tweedehands.nl, every filter is visually inspected for dust, scratches, and optical integrity. This unit comes with a minimum 12 months warranty, giving you confidence in your purchase.

Question 4

Can I use this filter for both photo and video?

Accepted Answer

Absolutely. For video, variable NDs are practically essential — they let you lock your shutter speed to twice your frame rate (the 180-degree rule) regardless of ambient light. For stills, they're great for long exposures of water or crowds, or for shooting wide open in bright conditions. The 2–5 stop range suits both use cases well.

Question 5

Does a variable ND filter affect image quality compared to a fixed ND?

Accepted Answer

Variable NDs use two polarising layers that rotate against each other, which can introduce slight colour shifts or sharpness loss compared to a high-quality fixed ND. The Peter McKinnon Edition's limited 2–5 stop range is deliberately narrow to minimise these artefacts. For most photography and video work, the convenience outweighs the minor optical trade-off.

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PolarPro 67mm Vario ND Filter Peter McKinnon Edition 2 to 5 Stops

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