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Aerial Photography - PhotoSecrets
- https://www.photosecrets.com/aerial-photography-questions-and-answers#:~:text=A%20fixed%20lens%20with%20a%20focal%20length%20of,at%20least%20105mm%20to%20as%20much%20as%20300mm.
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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 …
Aerial Photography - Humboldt State University
- https://gsp.humboldt.edu/olm/Courses/GSP_216/lessons/air-photo.html
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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 in Photography?
- https://photographylife.com/what-is-focal-length-in-photography
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How much area does an aerial photograph cover? - USGS
- https://www.usgs.gov/faqs/how-much-area-does-aerial-photograph-cover
- 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.
What is Focal Length? (And Why it Matters in Photography!)
- https://expertphotography.com/understand-focal-length-4-easy-steps/
- Lenses are described as telephoto if they have a focal length of more than 70mm. Lenses longer than 200mm are sometimes referred to as “ super-telephoto .”. The lens is sometimes called a short telephoto if the focal length is between 70mm and 135mm. Currently, the longest telephoto lens in production is 800mm.
The Best Lens for Aerial Photography
- https://dancarrphotography.com/blog/2018/04/19/the-best-lens-for-aerial-photography/
- After a flight I always scroll through my photos in Lightroom and look at the focal lengths that I have tended to gravitate towards with the zoom. I find myself working mostly in the 24-50mm range of the lens, but every now and then I’ll push it right to 105mm.
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. If you want to photograph a certain object you'll want a long lens.
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 =
Aerial Imaging: How to Achieve the Correct Ground …
- https://www.lumenera.com/blog/aerial-imaging-how-to-achieve-the-correct-ground-resolution
- The contributing factors that determine the GSD are the aircraft’s height above the ground, the camera’s pixel size, and the lens’ focal length. Intuitively, the closer the aircraft is to the ground, the higher the ground resolution will be. As for the optics, a smaller focal length (known as a wide angle lens), will decrease the ground ...
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