Neutral Density Filters

Why use neutral density filters?

All our neutral density filters allow you to control the amount of light hitting the sensor without any color shift and independent from the aperture or shutter. 

Classic ND: Our classic neutral density line offers eight multi-coated filters with highest possible color accuracy. This allows for filter stacking and minimizes color grading time. Their effect reaches from the visible light up in to the near-infrared spectrum. 

RHOdium® FSND: These filters are truly color-neutral and their filter effect covers the full light spectrum from 350-1,000 nm. Hence, RHOdium® FSND elliminates IR pollution on all sensors without any color cast. This neutral density filter line is designed to meet even the critical color standards of 4K, 6K and 8K resolution cameras. It is available in 10 dedicated one-stop steps. 

RHOdium® FSND Graduated: The graduated version of our RHOdium® FSND filter line allows you to balance the overall exposure of a scene, gaining details in both bright and dark areas. Choose between Hard Edge for long focal length lenses and Soft Edge for short and mid-range ones. 

TrueMatch Vari-ND®: This neutral density filter enables a stepless density setting from 1-1/3 stop to 10 stops. It is made of two stacked and carefully color-matched polarizer filters, combined in a single low-profile cell. TrueMatch Vari-ND® is the perfect choice for cameras with high ISO settings. 


  • Available in 10 stops from 0.3 – 3.0.
  • Truly color-neutral
  • Full spectrum ND 350-1000nm.
  • Eliminates IR pollution for digital sensors
  • No color shift, even at short focal lengths
  • Color/ density consistency throughout all stops

RHOdium® FSND Graduated

  • Gradient Neutral Density Filters
  • Full spectrum ND 350-1000nm
  • 5 color-matched stops: 0.3 - 1.5
  • 2 Versions: Hard Edge and Soft Edge
  • Balance overall exposure
  • Eliminates IR pollution

Classic ND: New!

  • Coated 380-780 nm (visibe light to near-infrared spectrum)
  • No tint, for easy color grading and filter stacking
  • Multi-resistant, anti-reflection coating (BBAR)
  • Black edge sealing to reduce straylight
  • Available in 8 stops from 0.3 - 2.1 and 3.0

True-Match Vari-ND®

  • Variable ND filter.
  • 10 stops attenuation of light control.
  • Smooth rotating rings. 
  • Clear marks for choosing strengths.
  • No blue color shift at maximum density.

Technical Specifications

SizesStopsThicknessGlass Type
RHOdium® FSND4 x 5.65“
6.6 x 6.6“
0.3, 0.6, 0.9,1.2, 1.5, 1.8, 2.1, 2.4, 2.7, 3.04 mmWater White Precision
Optical Glass
RHOdium® FSND Graduated4 x 5.65“
6.6 x 6.6“
0.3, 0.6, 0.9, 1.2, 1.5 (available in Hard and Soft Edge Version)4 mmWater White Precision
Optical Glass
New: Classic ND4 x 5.65"0.3, 0.6, 0.9,1.2, 1.5, 1.8, 2.1, 2.4, 2.7, 3.04 mmWater White Precision
Optical Glass
True-Match Vari-ND®M77
Range of 10 stops, but no hardstops4 mmWater White Precision
Optical Glass

Filters in Use

Without filter (T11)

Without filter

Without filter

Without filter

Vectorscope at 5x magnification RHOdium® FSND 0.3

Classic ND 1.2 (T2.8)

RHOdium® FSND Graduated

RHOdium® FSND Graduated

True-Match Vari-ND®

Vectorscope at 5x magnification RHOdium® FSND 3.0

RHOdium® FSND filters in use by Ceproma S.A.

Do you have any questions or comments? Then please contact us. We will get back to you as soon as possible. To help us process your request, please fill out all fields marked with *.


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+49 (0) 671 601 0



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