diff --git a/python/vernier_tracker.py b/python/vernier_tracker.py
index 45fe354..ce49587 100644
--- a/python/vernier_tracker.py
+++ b/python/vernier_tracker.py
@@ -205,11 +205,11 @@ class MainWindow(QGlPicamera2):
 picam2 = Picamera2()
 #picam2.start_preview(Preview.QTGL)
 #max resolution is (4056, 3040) which is more like 10 fps
-config = picam2.create_preview_configuration(main={"size": (2028, 1520)}, lores={"size": (1920, 1440), "format": "YUV420"})
+config = picam2.create_preview_configuration(main={"size": (2028, 1520)}, lores={"size": (768, 768), "format": "YUV420"})
 picam2.configure(config)
 
 app = QApplication([])
-qpicamera2 = MainWindow(picam2, width=1920, height=1440, keep_ar=False)
+qpicamera2 = MainWindow(picam2, width=1350, height=1350, keep_ar=False)
 qpicamera2.setWindowTitle("Qt Picamera2 App")
 
 selectedAxis = 'x'
@@ -218,8 +218,8 @@ l1 = 100
 l2 = 300
 l3 = 40
 w = 20
-roiXCenter = (960, 195)
-roiYCenter = (615, 530)
+roiXCenter = (507, 98)
+roiYCenter = (306, 275)
 roiX = rectsFromPoint(roiXCenter, l1, l2, l3, w, 'x')
 roiY = rectsFromPoint(roiYCenter, l1, l2, l3, w, 'y')
 dilationVal = 75
@@ -229,13 +229,19 @@ calibrate = True
 oscClient = udp_client.SimpleUDPClient("127.0.0.1", 57120)
 
 cv2.startWindowThread()
-cv2.namedWindow("Frame")
+cv2.namedWindow("Frame", cv2.WINDOW_NORMAL)
+cv2.resizeWindow("Frame", 1350, 1350) 
 cv2.setMouseCallback("Frame", moveROI)
 
+picam2.controls.ScalerCrop = (800, 0, 3040, 3040)
+picam2.controls.Brightness = 0.05
+picam2.controls.Contrast = 0.9
+
 (w0, h0) = picam2.stream_configuration("main")["size"]
 (w1, h1) = picam2.stream_configuration("lores")["size"]
 s1 = picam2.stream_configuration("lores")["stride"]
 
+
 picam2.start()
 qpicamera2.show()
 app.exec()