diff --git a/code/MainWindow.py b/code/MainWindow.py
index 75d4514..1bf33a9 100644
--- a/code/MainWindow.py
+++ b/code/MainWindow.py
@@ -83,6 +83,7 @@ def viewImageFromExplorer(self, filename, filenext):
         self.canvas.currentScale = 1
         self.canvas.verticalScrollBar().setSliderPosition(0)
         self.canvas.viewImage()
+        self.canvas.setFocus()
         return True
 
     def closeEvent(self, event):
diff --git a/code/Views.py b/code/Views.py
index bef47b1..7cd36af 100644
--- a/code/Views.py
+++ b/code/Views.py
@@ -265,3 +265,18 @@ def mouseDoubleClickEvent(self, event):
         self.currentScale = 1
         self.viewImage(self.currentScale)
         QGraphicsView.mouseDoubleClickEvent(self, event)
+
+    def keyPressEvent(self, event):
+        if event.key() == Qt.Key_Left:
+            self.parent.loadPrevImage()
+            return
+        if event.key() == Qt.Key_Right:
+            self.parent.loadNextImage()
+            return
+        if event.key() == Qt.Key_Minus:
+            self.zoomView(isZoomIn=False, usingButton=True)
+            return
+        if event.key() == Qt.Key_Plus:
+            self.zoomView(isZoomIn=True, usingButton=True)
+            return
+        super().keyPressEvent(event)