# PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) vs Breakthrough Photography X4 Neutral Density: specs and price compared

A sourced, side-by-side comparison of the PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) (PolarPro) and Breakthrough Photography X4 Neutral Density (Breakthrough Photography) among nd filters.

## Side by side

| Spec | PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) | Breakthrough Photography X4 Neutral Density |
| --- | --- | --- |
| US price | not published | $139 |
| Brand | PolarPro | Breakthrough Photography |
| Released | 2022 | 2017 |
| Filter type | variable | fixed |
| Density range stops | 2 to 5 or 6 to 9 (two separate SKUs) | 3, 6, 10, or 15 (separate fixed-density SKUs) |
| Common thread sizes (mm) | 49, 67, 77, 82, 95 | 39-112, plus 100mm/150mm square |
| Coating | 16-layer anti-reflection / scratch-resistant coating | MRC16 (16-layer Multi-Resistant Coating) + Nanotec nano coating |
| Color cast note | PolarPro markets Edition II as color-neutral "Cinema Series" glass across the stop range; no independent lab CCT deviation figure published | Manufacturer states spectrally flat transmission targeting color-neutral results |
| Front filter thread | No | Yes |
| Magnetic | No | No |
| Glass type | Cinema Series glass (8K-rated) | SCHOTT B270 optical glass |

## Key differences

- Filter type: PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) variable vs Breakthrough Photography X4 Neutral Density fixed
- Density range stops: PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) 2 to 5 or 6 to 9 (two separate SKUs) vs Breakthrough Photography X4 Neutral Density 3, 6, 10, or 15 (separate fixed-density SKUs)
- Common thread sizes (mm): PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) 49, 67, 77, 82, 95 vs Breakthrough Photography X4 Neutral Density 39-112, plus 100mm/150mm square
- Coating: PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) 16-layer anti-reflection / scratch-resistant coating vs Breakthrough Photography X4 Neutral Density MRC16 (16-layer Multi-Resistant Coating) + Nanotec nano coating
- Color cast note: PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) PolarPro markets Edition II as color-neutral "Cinema Series" glass across the stop range; no independent lab CCT deviation figure published vs Breakthrough Photography X4 Neutral Density Manufacturer states spectrally flat transmission targeting color-neutral results
- Front filter thread: PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) No vs Breakthrough Photography X4 Neutral Density Yes
- Glass type: PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) Cinema Series glass (8K-rated) vs Breakthrough Photography X4 Neutral Density SCHOTT B270 optical glass

## Sources

- PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II): https://www.polarpro.com/products/pmvnd-edition-ii (polarpro.com, verified 2026-08-16)
- Breakthrough Photography X4 Neutral Density: https://breakthrough.photography/products/x4-neutral-density (breakthrough.photography, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/nd-filters/polarpro-peter-mckinnon-signature-edition-ii-vnd-vs-breakthrough-photography-x4-nd/
Cite: Per The Front Desk Review, PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II) (not published) vs Breakthrough Photography X4 Neutral Density ($139) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/nd-filters/polarpro-peter-mckinnon-signature-edition-ii-vnd-vs-breakthrough-photography-x4-nd/
License: CC BY 4.0.