Best Nd Filters · head-to-head

Tiffen Variable ND Filter vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9)

A sourced, side-by-side comparison. Tiffen Variable ND Filter is cheaper at $109. Every spec and price links to its source.

Which is better: the Tiffen Variable ND Filter or Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9)?

On the specs we track, they're closely matched. The Tiffen Variable ND Filter is the cheaper at $109.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Tiffen Variable ND Filter Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9)
US price $109 $499.99
BrandTiffenFreewell
Released2024
Filter type variable variable
Density range stops 2 to 8 (ND 0.6 to ND 2.4) 1 to 9 (two filters: 1-5 and 6-9, hybrid reversible with CPL/ND32-CPL)
Common thread sizes (mm) 52, 58, 62, 67, 72, 77, 82, 95 67, 72, 77, 82 (via included adapter rings)
Coating ColorCore glass construction (no nano/MRC branding stated) multi-coated German optics (dust/oil/scratch/water resistant)
Color cast note No manufacturer color-neutrality claim published; independent reviews note some warm cast at the high end of rotation Freewell markets a proprietary 'TRUE COLOR' coating process specifically to minimize the color shift common to other VNDs
Front filter thread
Magnetic No Yes
Glass type optical glass (Tiffen ColorCore) optical glass (German optics, brand does not publish substrate name)

Sources — Tiffen Variable ND Filter: tiffen.com (verified 2026-08-16). Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9): freewellgear.com (verified 2026-08-16).

What's the difference between the Tiffen Variable ND Filter and Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9)?

Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.

  • Density range stops: Tiffen Variable ND Filter 2 to 8 (ND 0.6 to ND 2.4) vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9) 1 to 9 (two filters: 1-5 and 6-9, hybrid reversible with CPL/ND32-CPL)
  • Common thread sizes (mm): Tiffen Variable ND Filter 52, 58, 62, 67, 72, 77, 82, 95 vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9) 67, 72, 77, 82 (via included adapter rings)
  • Coating: Tiffen Variable ND Filter ColorCore glass construction (no nano/MRC branding stated) vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9) multi-coated German optics (dust/oil/scratch/water resistant)
  • Color cast note: Tiffen Variable ND Filter No manufacturer color-neutrality claim published; independent reviews note some warm cast at the high end of rotation vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9) Freewell markets a proprietary 'TRUE COLOR' coating process specifically to minimize the color shift common to other VNDs
  • Magnetic: Tiffen Variable ND Filter false vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9) true
  • Glass type: Tiffen Variable ND Filter optical glass (Tiffen ColorCore) vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9) optical glass (German optics, brand does not publish substrate name)

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