diff --git a/datasets/raise/flat-field_pointer.py b/datasets/raise/flat-field_pointer.py
index 3ec981f..76f0581 100644
--- a/datasets/raise/flat-field_pointer.py
+++ b/datasets/raise/flat-field_pointer.py
@@ -5,6 +5,8 @@ import matplotlib.image as mpimg
 import os
 from tqdm import tqdm
 
+# `Zoom to rectangle` shortcut is `o`.
+
 os.chdir('flat-field/TIF')
 
 fileNames = os.listdir()[:3]
@@ -17,24 +19,26 @@ def displayImage():
     if len(fileNames) > fileNameIndex:
         fileName = fileNames[fileNameIndex]
         image = mpimg.imread(fileName)
-        plt.imshow(image)
+
+        fig, ax = plt.subplots()
+
+        ax.imshow(image)
         fileNameIndex += 1
         plt.connect('button_press_event', onClick)
 
         mng = plt.get_current_fig_manager()
         mng.full_screen_toggle()
 
-        plt.show()
+        fig.canvas.toolbar.zoom()
+        fig.show()
 
 def onClick(event):
     global xys
     if event.button is MouseButton.RIGHT:
         xy = [event.x, event.y]
         xys += [xy]
-        #print(fileNameIndex, xy)
         plt.close()
         displayImage()
         progressBar.update(1)
 
-#print(fileName)
 displayImage()
\ No newline at end of file