diff --git a/slides/ws-video/slides.md b/slides/ws-video/slides.md
index ec673338f3e44523c4884892533e77c4642a1182..2c19fe51cfdf193e110e84865eedfe4afbf95ff0 100644
--- a/slides/ws-video/slides.md
+++ b/slides/ws-video/slides.md
@@ -54,7 +54,7 @@ _Maximum sensor frame rate dependent on resolution and codec selected. Project f
 
 ### Aperture
 
-<img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Lenses_with_different_apertures.jpg/2560px-Lenses_with_different_apertures.jpg" width="80%"/>
+<img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Lenses_with_different_apertures.jpg/2560px-Lenses_with_different_apertures.jpg" width="60%"/>
 
 CC BY-SA 4.0 
 lenses with different aperture
@@ -85,6 +85,8 @@ https://en.wikipedia.org/wiki/Aperture#/media/File:Lenses_with_different_apertur
 - Large shutter angle -> increase motion blur
 - Low shutter angle -> decrease motion blur
 
+<img data-src="https://git.noc.ruhr-uni-bochum.de/makerspace/homepage/-/raw/main/slides/ws-video/angle.jpg" width="50%"/>
+
 |||
 
 <img data-src="https://git.noc.ruhr-uni-bochum.de/makerspace/homepage/-/raw/main/slides/ws-video/exposure.png" width="60%"/>