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originally posted by: wmd_2008
a reply to: tombaccei
The other thing to consider the sensor on his camera has a 2x crop factor so the effective focal length he filmed at is doubled compared to 35mm or full frame digital cameras.
So fast moving insects is the most likely cause.
In fact here is some exif data from his first image in the OP
Exposure Time (1 / Shutter Speed) [0x829A] = 10/2500 second ===> 1/250 second ===> 0.004 second
Lens F-Number / F-Stop [0x829D] = 40/10 ===> ƒ/4
Focal Length [0x920A] = 140/10 mm ===> 14 mm
originally posted by: Pylgrym
2: How many anomalies of this sort were there? How many hours of filming?
I believe it's 11 disks contained in about 8 video files. This represents probably 20 or 25 hours of video files sifted through, fairly randomly captured during daylight hours when there is no rain.
Can you show us what convinces you it's going behind the tree or chimney? I see nothing in what you posted that convinces me of that.
originally posted by: Pylgrym
I agree fast soaring birds are a possibility. I have been tricked by this in videos before. But these turn 90 degrees without flapping! And such high speeds. More than 8 inches long for sure, based on size and going behind tree and chimney.
Not a bug because of large size and distance of 30 feet.