About Koehler Tutor
Learn how to set Koehler illumination on any microscope. Teach yourself, or teach others. The app simulates your microscope's controls and the images generated at the eyepieces, acting as a virtual microscope. The...
Learn how to set Koehler illumination on any microscope. Teach yourself, or teach others. The app simulates your microscope's controls and the images generated at the eyepieces, acting as a virtual microscope. The locations of the controls on your microscope stand are shown, and the correct way to use them is explained. Their effect on the image at the eyepieces is demonstrated. Remembering all of the steps required to set Koehler illumination can be tricky, and this app will serve as a useful reminder whenever you wish to check that the configuration of your instrument is correct. Setting Koehler illumination generates an evenly illuminated field of view, reduces stray light, and allows you to set the balance between resolution and contrast. It doesn't matter if your microscope was made by Zeiss, Leica, Olympus, Nikon, or any other manufacturer, the same principles apply.
Version History App Maintenance 1.15 10/26/2020 Upgraded to Swift 5.0 1.14 02/03/2020 Dutch Version Added. 1.13 10/26/2018 Added a Dutch version 1.12 10/22/2018 Added Spanish and Catalan versions. 1.11 06/11/2018 Minor changes to improve performance. 1.10 04/03/2018 Fixed a problem that made the app crash if you attempted to save images to the photos library when using the share feature. 1.09 03/19/2018 A Russian language version was added. 1.08 02/19/2018 A german version was added. 1.06 01/26/2018 The offset of the virtual condenser has been improved on devices with large screens. The layout on iPads has been improved. A French language version has been added. 1.05 01/02/2018 A Chinese Language version of Koehler Tutor was added. 1.04 11/20/2017 A Chinese language translation was added. 1.03 11/18/2017 Support for iPads has been added. Layouts improved. 1.02 10/09/2017 Corrected a link and a source image attribution. 1.01 09/30/2017 1.0 09/28/2017
Previous Versions
Here you can find the changelog of Koehler Tutor since it was posted on our website on 2023-09-25 11:08:20.
The latest version is 1.15 and it was updated on 2026-06-24 02:40:19. See below the changes in each version.
Koehler Tutor version 1.15
Updated At: 2026-06-03
Changes: Version History App Maintenance 1.15 10/26/2020 Upgraded to Swift 5.0 1.14 02/03/2020 Dutch Version Added. 1.13 10/26/2018 Added a Dutch version 1.12 10/22/2018 Added Spanish and Catalan versions. 1.11 06/11/2018 Minor changes to improve performance. 1.10 04/03/2018 Fixed a problem that made the app crash if you attempted to save images to the photos library when using the share feature. 1.09 03/19/2018 A Russian language version was added. 1.08 02/19/2018 A german version was added. 1.06 01/26/2018 The offset of the virtual condenser has been improved on devices with large screens.
The layout on iPads has been improved.
A French language version has been added. 1.05 01/02/2018 A Chinese Language version of Koehler Tutor was added. 1.04 11/20/2017 A Chinese language translation was added. 1.03 11/18/2017 Support for iPads has been added.
Layouts improved. 1.02 10/09/2017 Corrected a link and a source image attribution. 1.01 09/30/2017 1.0 09/28/2017
Koehler Tutor version 1.15
Updated At: 2020-10-26
Changes: Oct 26, 2020
Version 1.15
App Maintenance
Koehler Tutor version 1.15
Updated At: 2020-10-26
Changes: App Maintenance
Disclaimer
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