Neutral Density 8 (ND8)
30mm Glass Threaded Version:
This threaded filter requires our 30mm Filter Adapter Ring - Lens Surround which pushes over the standard black plastic lens surround on the GoPro Hero cameras.
Specifications:
Weight: 5.83g
Mount: M30 x 0.75mm
Mount Material: Metal
Optics Material: Glass
Scratch-Dig (MIL-PRF-13830B): <40-20
Exposure Factor: 8x
Optical Density: 0.9
F-Stop Reduction: 3
Supermount Version:
This small filter is inserted into the sensor side of the Supermount during internal GoPro Supermount installation. Simply push the filter in with a clean cloth or non-marring tool making sure both sides are free of dust and smudges.
Specifications:
Weight: 0.27g
Diameter: 12.53mm
Thickness: 1.0mm
Optics Material: Glass
Scratch-Dig (MIL-PRF-13830B): <40-20
Exposure Factor: 8x
Optical Density: 0.9
F-Stop Reduction: 3
m12 Version:
This small filter is inserted into the sensor side of a m12 lens mount. You will need to unscrew the lens mount from the sensor to install if you have a lens already installed. If you don't have a lens, simply drop it down the m12 lens mount barrel. Make sure to use a clean cloth and clean the filter before insertion, making sure both sides are free of dust and smudges.
Specifications:
Diameter: 11.35mm
Thickness: 1.0mm
Weight: 0.27g
Optics Material: Glass
Scratch-Dig (MIL-PRF-13830B): <40-20
Exposure Factor: 8x
Optical Density: 0.9
F-Stop Reduction: 3