Update slides/ws-video/slides.md

slides/ws-video/slides.md

@@ -130,8 +130,6 @@ Best possible dynamic range while shooting with these ISO values.
 - __Prime lense__ with a fixed focal length. <br> faster apterture
 - __Zoom lense__ with an alternating focal lenght. <br> magnification of the image
 
-<br>
-
 - Canon EF 24-105mm f/4,0 L IS II USM
 - Canon EF 16-35mm f/4,0 L IS USM
 - Canon EF 100mm f/2,8 L Macro IS USM
@@ -162,7 +160,7 @@ a focal lenght of 50mm is concidered a standard lense equal to the human eye.
 
 Common values for focal length: 85mm, 100mm, 135mm
 
-long focal length compresses the background and helps isolating a subject.
+long focal length compresses the background and helps isolating a subject. (Depth of Field)
 
 <img data-src="https://upload.wikimedia.org/wikipedia/commons/f/fd/Angleofview_210mm_f4.jpg" width="50%"/>
 
@@ -179,6 +177,21 @@ https://en.wikipedia.org/wiki/Aperture#/media/File:Lenses_with_different_apertur
 
 |||
 
+## Depth of Field
+
+<img data-src="https://git.noc.ruhr-uni-bochum.de/makerspace/homepage/-/raw/main/slides/ws-video/dof.jpg" width="50%"/>
+
+|||
+
+- Shallow depth of field <br>
+Long focal length <br>
+Iris wide open f1.4
+- Deep depth of field <br>
+short focal length <br>
+Iris more closed
+
+|||
+
 ### Focus
 
 ---