7Artisans ND Variable (VND) 1.5-8 paradas - 7artisans Iberia

Is this variable ND filter too good to be true?

7artisans MC VND Variable ND 1.5-8 STOPS Filter 58mm 62mm 67mm 77mm 82mm Portrait Film Photo Video ND Camera Lens Filter - AliExpress

7artisans Variable ND Filter [ND2/4/8/16/32/64] 1.5-8 Stops Import AGC Glass Adjustable [58/62/67/72/77/82mm] Video Filter Portrait Neutral Density Filter for Camera Lenses (VND-77mm) : Electronics

7artisans Variable ND Filter [ND2/4/8/16/32/64] 1.5-8 Stops Import AGC Glass Adjustable [58/62/67/72/77/82mm] Video Filter Portrait Neutral Density Filter for Camera Lenses (VND-77mm) : Electronics

NEUTRAL DENSITY FILTER 8/64/1000 (46mm-82mm) – Official 7Artisans Store

7Artisans 25mm F/1.8 APS-C - 7artisans Iberia

7artisans Variable ND Filter [ND2/4/8/16/32/64] 1.5-8 Stops Import AGC Glass Adjustable [58/62/67/72/77/82mm] Video Filter Portrait Neutral Density Filter for Camera Lenses (VND-77mm) : Electronics

7Artisans 15mm f/4 gran angular - 7artisans Iberia

Kase Magnetic Variable ND Filters

7Artisans 12mm f/2.8 Mark II - 7artisans Iberia