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55 mm Tiffen Neutral Density 0.9 (optical density) Filter.  This filter is intended for use with the BlurFix3 SO and BlurFix3+ 55 filter adapters.  This filter is ultra low-profile to minimize or eliminate vignetting, and is only available from SRP.  A ND0.9 filter cuts all light by 87.5%.  This forces the Hero3 or Hero3+ to slow its shutter speed.  An ND filter is often used to reduce or eliminate prop blur for general aviation videography and minimize the “jello effect” experienced in radio controlled and motor sport applications.

Consider using this filter if you are filming the following sports:

  • High vibration motorsports
  • Multi-rotor RC
  • General aviation

You will need the adapter to hold the filter on the GoPro’s case
Hero 3 / 3+ / 4 Dive Housing – Click here
Hero 3 / 3+ / 4 Standard Housing  – Click here

Hero 5 SuperSuit Housing  – Click here

SRP Tip: If you are experiencing one of the undesirable effects of rolling shutter like prop blur or the jello effect then consider having multiple ND filters with you during filming.  The ND filter choice you make will be based on the severity of the vibration experienced by the camera and lighting conditions present at the time of filming.  For instance, if I fly my quadcopter late in the evening I don’t put any filters on my Hero3.  If I did this in the middle of the day on a cloudless bright sunny day, I would see lots of jello in my video — so I’ll use a ND0.9 or ND1.2 filter.  If conditions are some where in between, I’ll use a ND0.6 filter.

Weight: 18.2 grams


Weight .125 oz
Dimensions 8.8 x 7.6 x 1.27 in

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