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Cameras and Aerial Photography - NRCan
- https://www.nrcan.gc.ca/maps-tools-and-publications/satellite-imagery-and-air-photos/tutorial-fundamentals-remote-sensing/satellites-and-sensors/cameras-and-aerial-photography/9351#:~:text=Typical%20focal%20lengths%20used%20are%2090mm%2C%20210mm%2C%20and,also%20depends%20on%20the%20altitude%20of%20the%20platform.
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Aerial Photography - Humboldt State University
- https://gsp.humboldt.edu/olm/Courses/GSP_216/lessons/air-photo.html
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Concepts of Aerial Photography - NRCan
- https://www.nrcan.gc.ca/maps-tools-publications/satellite-imagery-air-photos/air-photos/national-air-photo-library/about-aerial-photography/concepts-aerial-photography/9687
- Basic Concepts of Aerial Photography. Film: most air photo missions are flown using black and white film, however colour, infrared, and false-colour infrared film are sometimes used for special projects. Focal length: the distance from the …
What Is Focal Length in Photography?
- https://photographylife.com/what-is-focal-length-in-photography
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What are the focal lengths required for aerial …
- https://photo.stackexchange.com/questions/117354/what-are-the-focal-lengths-required-for-aerial-photography-in-alt-range-400-1200
- (distance to object, d) / (size of object, O) = (focal length, ƒ) / (size of image, i) This follows from the relationship of similar triangles as shown below: Thus, ƒ = d * i / O. In your case, you want your images to have roughly the same spatial resolution as Google's aerial photos, which have about 6" (15 cm) resolution per pixel. So O = 150 mm.
What is Focal Length? (And Why it Matters in Photography!)
- https://expertphotography.com/understand-focal-length-4-easy-steps/
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Cameras and Aerial Photography - NRCan
- https://www.nrcan.gc.ca/maps-tools-and-publications/satellite-imagery-and-air-photos/tutorial-fundamentals-remote-sensing/satellites-and-sensors/cameras-and-aerial-photography/9351
- Typical focal lengths used are 90mm, 210mm, and most commonly, 152mm. The longer the focal length, the smaller the area covered on the ground, but with greater detail (i.e. larger scale). The area covered also depends on the altitude of the platform.
Aerial Photography - Ken Rockwell
- https://www.kenrockwell.com/tech/aerial.htm
- Focal Lengths Anything shorter than about a 35 mm lens on a 35 mm camera or a 24mm lens on a DSLR will include the plane's wing struts or landing gear. Expect this with a wider lens.
How much area does an aerial photograph cover? - USGS
- https://www.usgs.gov/faqs/how-much-area-does-aerial-photograph-cover
- 129.1. 1:100,000. 8333. 14.20. 201.6. Note: The photo scale is determined by dividing the flying height by the camera focal length. Example: If the flying height is 20,000 feet and the camera focal length is 6 inches, then: 20,000 feet ÷ 0.5 feet = 40,000 scale or 1:40,000.
The Best Lens for Aerial Photography
- https://dancarrphotography.com/blog/2018/04/19/the-best-lens-for-aerial-photography/
- A recent aerial photography flight in Whistler reminded to tackle the subject of the best lens for this kind of work. Without a doubt, it needs to be a zoom lens because objects pass quickly and you simply can’t be wasting time switching prime lenses. For me the clear choice is a 24-105mm zoom with image stabilization, assuming you’re ...
Geometry of Aerial Photographs* - GIS-Lab
- https://gis-lab.info/docs/books/aerial-mapping/cr1557_06.pdf
- f = focal length of camera (inches) s f p H = : 1 in. x ft s f p H ==: 6 1200 in. 1 ft in. 200 ft s f p H == = 05 1200. ft 1 ft ft 2400 ft sHf p =
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