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Area projections of fisheye photographic lenses - ScienceDirect
- https://www.sciencedirect.com/science/article/abs/pii/0168192387900396#:~:text=Fisheye%20photographic%20lenses%20project%20a%20hemispherical%20object%20region,do%20not%20result%20in%20images%20of%20equal%20area.
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Area projections of fisheye photographic lenses
- https://www.sciencedirect.com/science/article/pii/0168192387900396
- Three commercially available lenses were selected for analysis of projected areas: the Spiratone auxiliary fisheye lens mounted on a 50 mm, f/1.4 Nikon AI lens and the Canon 7.5 mm, f/5.6 and Nikon 8 mm, f/2.8 fisheye lenses, all of which are designed to produce a simple polar projection (eq. 1).
Area projections of fisheye photographic lenses
- https://www.sciencedirect.com/science/article/abs/pii/0168192387900396
- Abstract Fisheye photographic lenses project a hemispherical object region onto a circle on the image plane and thus often are used for measurement of plant leaf cover and shading of plant stands. In general, for these lenses, object regions of …
Area projections of fisheye photographic lenses
- https://www.semanticscholar.org/paper/Area-projections-of-fisheye-photographic-lenses-Herbert/503547e018703405afe3d3f9d8569cf1f360c9b8
- Abstract Fisheye photographic lenses project a hemispherical object region onto a circle on the image plane and thus often are used for measurement of plant leaf cover and shading of plant stands. In general, for these lenses, object regions of …
Fisheye Lens - Everything You Need to Know - NFI
- https://www.nfi.edu/fisheye-lens/
- Full-Frame Fisheye Lenses. Full-frame fisheye lenses cover 180° along the diagonal, producing a less wide-angle, rectangular photo without the black borders. Although they do not cover wide-angle, photographs taken using a full-frame fisheye lens are rectangular and do …
Fisheye Lens – Explanation, Uses, Projection, …
- https://www.vedantu.com/physics/fisheye-lens
- Focal Length: A standard fisheye lens has a focal length of 8 mm to 10 mm, and a full-frame lens has a focal length of 15 mm to 16 mm. The Angle of View: The angle of view of a commonly used fisheye lens is 180° at its widest point. Image Distortion: The distortion of the image formed from the fisheye lens is called barrel distortion. In barrel distortion, the central part of the frame …
Area projections of fisheye photographic lenses
- https://ui.adsabs.harvard.edu/abs/1987AgFM...39..215H/abstract
- adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A
Fisheye lens projections, or entertaining geometry of wide …
- https://radojuva.com/en/2020/08/wide-angle-lens-perspective/
- That is why the overwhelming majority of modern fish have just such a projection. (More precisely, a cross between it and the previous point, if we really go into details.) Nikkor 10.5 / 2.8 Nikkor 10.5 / 2.8 The naked eye can see that Nikkor 10.5 / 2.8 "Oppression" is stronger than Peleng and Samyang. Orthographic "Stronger than strong."
Optics Primer - Fisheye Projection Lenses - Photons to Photos
- https://www.photonstophotos.net/GeneralTopics/Lenses/Optics_Primer/Optics_Primer_25.htm
- The majority of these lenses are clustered fairly tightly together and are Equisolid projections with approximately a 180 degree angle of view. It would seem that this is the type of fisheye projection that most photographers desire. Five lenses appear to be Equidistant.
[Physics Class Notes] on Fisheye Lens Pdf for Exam
- https://engineeringinterviewquestions.com/physics-notes-on-fisheye-lens/
- Characteristics of Fisheye Lens. These are the characteristics of a fisheye lens: Focal Length: A standard fisheye lens has a focal length of 8 mm to 10 mm, and a full-frame lens has a focal length of 15 mm to 16 mm. The Angle of View: The angle of view of a commonly used fisheye lens is 180° at its widest point.
Calibration of fisheye lenses by inversion of area …
- https://opg.optica.org/ao/abstract.cfm?uri=ao-25-12-1875
- Method for calibrating the fisheye distortion center. Fuyu Huang, Yongzhong Wang, Xueju Shen, Chao Lin, and Yudan Chen. Appl. Opt. 51(34) 8169-8176 (2012) Fisheye lens calibration using virtual grid. Aymen Arfaoui and Simon Thibault. Appl. Opt. 52(12) 2577-2583 (2013) Shearing interferometry using holo-lenses.
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