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File:Fisheye lens room 0.2x (real 0.25x).jpg

Original file ‎(3,264 × 2,448 pixels, file size: 734 KB, MIME type: image/jpeg)

Captions

Captions

room obliquely taken by smartphone and fisheye converter

Summary

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Description
Deutsch: Digitalfoto, Fischaugenkonverter 0,25x (Typ: flächentreu). Gesamter Raum (4 Wände, Decke und Boden) von einer Ecke.

Eine Versuchreihe ergab die beste Qualität bei einem etwas größeren Abstand zwischen Vorsatz und Smartphone. Deshalb habe ich nicht den selbstklebenden Ring verwendet, sondern einen Sockel mit 4 mm Dicke plus einem Neodym-Ringmagnet mit 3 mm Dicke, insgesamt 7 mm.

Zentrumkoordinaten und Abbildungsfunktion (weiter unten) wurden für die Umrechnung in andere Projektionen verwendet (siehe Dateiverwendung).


English: Digital photo, fisheye converter 0.25x (type: equisolid angle). Complete room (4 walls, ceiling and floor) from a corner.

A series of experiments showed the best quality at a somewhat greater distance between converter and smartphone. That's why I have not used the self-adhesive ring, but a socket of 4 mm thickness plus a neodymium-ringmagnet of 3 mm thickness, in sum 7 mm.

Center coordinates and mapping-function (see below) where used for remapping into other projections (see File usage on Commons).


Fisheye converter 180° 0.2x (real 172° 0.25x), XPERIA neo (MT15i)

center 1623.5; 1196.5 in pixel (left-right; top-down),   focal length f = 759 pixel

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Date
Source Own work
Author Peter Wieden
Other versions

gleicher Raum mit Wand geradezu / same room with wall straight ahead

Mit anderen Optiken / with other lens:

Dia/Slide, converter 0.53x, Sigma 8/4, Walimex 8/3.5

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

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Date/TimeThumbnailDimensionsUserComment
current22:53, 27 March 2012Thumbnail for version as of 22:53, 27 March 20123,264 × 2,448 (734 KB)Peter.wieden (talk | contribs)

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