Rolling shutter Jello

[Canadian_JOY]

Thanks for the feedback on the Garmin VIRB, as well as all the helpful pointers. I've got long enough between now and first engine start that I might be able to figure some of this camera "stuff" out!

[Don]

The deeper I dig, the more I learn. There's a ton of information out there but most of it is pretty scattered. If anyone's interested in a fairly compact article that compares CMOS rolling shutter artifacts with CCD global shutter artifacts, here's a link. If you're looking for camera reviews, it isn't here. The author looks at the technology and does a good job of making sense of how it translates into actual videos real people take. http://www.dvxuser.com/jason/CMOS-CCD/

[RV6_flyer]

One of VAF sponsors (Aircraft Spruce) sells a filter that claims to remove the annoying propeller distortion.





Anyone have any experience with it?

[colojo]

Originally Posted by RV6_flyer

One of VAF sponsors (Aircraft Spruce) sells a filter that claims to remove the annoying propeller distortion.





Anyone have any experience with it?

I haven't used that filter on the GoPro, but in my Mooney I have used the NFlightcam+, from which it is derived, and it does help reduce prop effect:

https://www.youtube.com/watch?v=TZRVs4iEyU8

[Sam Buchanan]

From ACS's web site:

"The GoPro's image sensor is controlled by the amount of light it senses. In normal lighting conditions the sensor runs faster than the propeller causing distortion and odd lines in your video. Our filter modulates the amount of light entering the sensor and keeps the speed of the sensor slower than the propeller. Since the amount of light changes constantly and the filter does not we designed the filter to completely remove the propeller in 90% of the conditions experienced in VFR flight. For best results we recommend avoiding shots straight into the sun."

Me thinks this is a plain ol' neutral density filter (probably a 3X if I had to guess).