K&F Concept · Updated August 2026
K&F Concept Nano-X Variable ND Filter (ND2-ND400): price, specs & release date
K&F Concept Nano-X Variable ND Filter (ND2-ND400), released 2023. Every price and spec below is linked to its source and dated — no guesses.
Source: kentfaith.com verified ✓ corroborated verify in ledger
Is the K&F Concept Nano-X Variable ND Filter (ND2-ND400) a good buy?
At $94, the K&F Concept Nano-X Variable ND Filter (ND2-ND400) is #3 cheapest of the 9 nd filters we track, where the median is $150. By release date, it is among the newer of the 8 we date.
Specifications
| Price (US) | $93.99 Current listed price on Kent Faith (K&F official US storefront), 77mm, 1- to 9-stop |
|---|---|
| Brand | K&F Concept |
| Released | 2023 |
| Filter type | variable |
| Density range stops | 1 to 9 (ND2-ND400) |
| Common thread sizes (mm) | 37-105 (49, 52, 55, 58, 62, 67, 72, 77, 82 common) |
| Coating | 28-layer multi-coating (nano, waterproof/oil-proof) |
| Color cast note | No hard-stop detents; an X-pattern/color cast can appear if rotated past the effective range |
| Front filter thread | Yes |
| Magnetic | No |
| Glass type | Japanese AGC optical glass |
Source: kentfaith.com (verified 2026-08-16) · corroborated by bhphotovideo.com. Verified on Kent Faith (model KF01.1465): ND2-400 / 1-9 stop, 28-layer multi-coating, Japanese AGC optical glass, and 37-105mm size availability. Source switched from B&H (which could not be loaded) to the verified Kent Faith listing; priceUsd corrected 91.99 -> 93.99 to match the confirmed 77mm price.
Is the K&F Concept Nano-X Variable ND Filter (ND2-ND400) worth it vs cheaper nd filters?
K&F Concept Nano-X Variable ND Filter (ND2-ND400) against its closest cheaper and pricier nd filters on the specs that matter — every value sourced. See all 9 ranked
| Product | Price | Filter type | Density range stops | Common thread sizes (mm) | Coating | Color cast note |
|---|---|---|---|---|---|---|
| K&F Concept Nano-X Variable ND Filter (ND2-ND400) this | $93.99 | variable | 1 to 9 (ND2-ND400) | 37-105 (49, 52, 55, 58, 62, 67, 72, 77, 82 common) | 28-layer multi-coating (nano, waterproof/oil-proof) | No hard-stop detents; an X-pattern/color cast can appear if rotated past the effective range |
| Hoya ProND EX 1000 (ND 3.0, 10-Stop) | $88.9 | fixed | 10 | 49-82 | ACCU-ND multi-coating | HOYA's ACCU-ND technology is designed to equally reduce visible and IR light to prevent the color shift seen on cheaper ND filters |
| Tiffen Variable ND Filter | $109 | variable | 2 to 8 (ND 0.6 to ND 2.4) | 52, 58, 62, 67, 72, 77, 82, 95 | ColorCore glass construction (no nano/MRC branding stated) | No manufacturer color-neutrality claim published; independent reviews note some warm cast at the high end of rotation |
Frequently asked questions
How much does the K&F Concept Nano-X Variable ND Filter (ND2-ND400) cost?
The K&F Concept Nano-X Variable ND Filter (ND2-ND400) has a US price of $93.99 (Current listed price on Kent Faith (K&F official US storefront), 77mm, 1- to 9-stop), as of 2026-08-16.
How does the K&F Concept Nano-X Variable ND Filter (ND2-ND400) compare on price?
At $94, the K&F Concept Nano-X Variable ND Filter (ND2-ND400) is #3 cheapest of the 9 nd filters we track, where the median is $150.
When was the K&F Concept Nano-X Variable ND Filter (ND2-ND400) released?
The K&F Concept Nano-X Variable ND Filter (ND2-ND400) was released 2023.
What are the K&F Concept Nano-X Variable ND Filter (ND2-ND400)'s key specs?
K&F Concept Nano-X Variable ND Filter (ND2-ND400) (K&F Concept): filter type variable, density range stops 1 to 9 (ND2-ND400), common thread sizes mm 37-105 (49, 52, 55, 58, 62, 67, 72, 77, 82 common), coating 28-layer multi-coating (nano, waterproof/oil-proof), color cast note No hard-stop detents; an X-pattern/color cast can appear if rotated past the effective range. Full sourced spec sheet verified 2026-08-16.
Price of record: $93.99 at kentfaith.com, 2026-08-16. Other retailers may be lower — check the current price:
See K&F Concept Nano-X Variable ND Filter (ND2-ND400) on Amazon As an Amazon Associate we earn from qualifying purchases.Similar nd filters
Nearest in price — swipe to browse. Every pick sourced and dated.
- Hoya ProND EX 1000 (ND 3.0, 10-Stop) Hoya ProND EX 1000 (ND 3.0, 10-Stop)
-
Urth ND1000 Filter Plus+ (10-Stop) -
Tiffen Variable ND Filter -
Breakthrough Photography X4 Neutral Density -
Moment Variable ND Filter (2-5 Stop) - Kase Wolverine Magnetic Variable ND (1.5-10 Stop) Kase Wolverine Magnetic Variable ND (1.5-10 Stop)
-
NiSi SWIFT True Color ND-VARIO Pro Nano (1-5 Stop) -
Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9)
All nd filters ranked · Open data & methodology · Queryable via MCP
Compare with
Head-to-head
- K&F Concept Nano-X Variable ND Filter (ND2-ND400) vs PolarPro Peter McKinnon Signature Edition II Variable ND (PMVND Edition II)
- K&F Concept Nano-X Variable ND Filter (ND2-ND400) vs Breakthrough Photography X4 Neutral Density
- K&F Concept Nano-X Variable ND Filter (ND2-ND400) vs NiSi SWIFT True Color ND-VARIO Pro Nano (1-5 Stop)
- K&F Concept Nano-X Variable ND Filter (ND2-ND400) vs Hoya ProND EX 1000 (ND 3.0, 10-Stop)
- K&F Concept Nano-X Variable ND Filter (ND2-ND400) vs B+W ND 106 (ND 1.8, 64x, 6-Stop) MRC
- K&F Concept Nano-X Variable ND Filter (ND2-ND400) vs Tiffen Variable ND Filter
- K&F Concept Nano-X Variable ND Filter (ND2-ND400) vs Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9)
Cheaper nd filters
Step up
- Tiffen Variable ND Filter $109
- Breakthrough Photography X4 Neutral Density $139
- Moment Variable ND Filter (2-5 Stop) $150
- Kase Wolverine Magnetic Variable ND (1.5-10 Stop) $166.12
- NiSi SWIFT True Color ND-VARIO Pro Nano (1-5 Stop) $245
- Freewell K2 Versatile Magnetic Filter System (VND1-5 / VND6-9) $499.99