Backup diff of Lens (No. 4)

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  • 1 (2017-05-23 (Tue) 01:36:50)
  • 2 (2017-05-31 (Wed) 19:52:07)
  • 3 (2017-06-07 (Wed) 01:55:31)
  • 4 (2017-08-15 (Tue) 10:31:27)
  • 5 (2017-11-03 (Fri) 13:42:12)
  • 6 (2019-08-13 (Tue) 17:13:27)
  • 7 (2024-01-12 (Fri) 15:25:05)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

- ニッコールレンズテクノロジー
--  http://www.nikon-image.com/products/lens/about/technology.html

* 射影方式 [#k83a51fd]
- 射影 ([[Projection]])
- 魚眼 ([[Fisheye]])
 
* その他 [#kd90060d]

- 射影方式のちがい  
--  http://tin0.blog.fc2.com/blog-entry-49.html
- コンピュテーショナルフォトグラフィ
--  http://www.ime.info.hiroshima-cu.ac.jp/~hiura/intro/cp-intro.pdf

** 標準レンズ、広角レンズ、望遠レンズ [#n8cb3e1a]

-中心射影
 f tanθ

** 魚眼レンズ [#ofad20c3]

- 等距離射影
 f θ

- 等立体角射影
 2f sin(θ/2)

- 正射影
 f sin(θ/2)

* セミ魚眼レンズ (肉眼に近い) [#x5d73aad]
- 立体射影
 2f tan(θ/2)
 
* 関連 [#rel]

- [[Projection]]
- [[Fisheye]]