In response to preposterous to ( here) show that the overflight of aircraft "chemical" at 1200 meters above sea level presentation, use the same form of a previous article, a series of photos taken from different distances (computed in Google Earth) to the same reference of known size (bell tower with a height of 50 meters).
For each source point I made 2 clicks using the following settings:
- 1x optical zoom with a focal length of about 50 mm (35 mm) than the corresponding value of the observation with the naked eye
- 18x optical zoom with a focal length 504 mm (size 35 mm) I always use to shoot the planes.
POINT "A"
1276 METERS DISTANCE
ZOOM 1X FOCAL LENGTH = 35 MM 48 MM
( Click image for full size)
( Click image for full size)
FOCAL LENGTH ZOOM 18 X 35 MM = 504 MM (click image for full size)
POINT "B"
DISTANCE 3924 METERS
ZOOM 1X FOCAL LENGTH = 35 MM 49 MM (click image for full size)
FOCAL LENGTH ZOOM 18 X 35 MM = 504 MM
(click image for full size)
The pictures illustrate very well as a flyover suggested spraying with a quote similar (1000-4000 m) certainly would not pass unnoticed to the naked eye and would also be documented in great detail by shooting. Evidence to this effect at the time there are not (and never will IMHO) like someone wants us to believe falsely manipulated by video.
reaffirms that the flight altitudes, personally observed by an appropriate method of calculation, are always compatible with those of normal formation of contrails.
References 4 of original images, complete with EXIF data:
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