diff --git a/openflexure_microscope/api/static/main_v1.js b/openflexure_microscope/api/static/main_v1.js
index c9514f19..760ef1d7 100644
--- a/openflexure_microscope/api/static/main_v1.js
+++ b/openflexure_microscope/api/static/main_v1.js
@@ -143,7 +143,7 @@ function getStagePositions() {
 }
 
 // Capture methods
-function newCapture(filename, keep_on_disk, use_video_port, resizeWidth=null, resizeHeight=null) {
+function newCapture(filename, keep_on_disk, use_video_port, bayer, resizeWidth=null, resizeHeight=null) {
     // Make a position request
     function newCaptureCallback(response, status) {
         if (status != 200) {
@@ -156,7 +156,8 @@ function newCapture(filename, keep_on_disk, use_video_port, resizeWidth=null, re
     payload = {
         "filename": filename,
         "keep_on_disk": keep_on_disk,
-        "use_video_port": use_video_port
+        "use_video_port": use_video_port,
+        "bayer": bayer
     }
 
     if ((resizeWidth) && (resizeHeight)) {
@@ -174,6 +175,8 @@ function newCaptureFromInput() {
     captureFilenameInput = document.getElementById('captureFilenameInput');
     captureKeepOnDiskCheck = document.getElementById('captureKeepOnDiskCheck');
     captureFullResolutionCheck = document.getElementById('captureFullResolutionCheck');
+    captureBayerCheck = document.getElementById('captureBayerCheck')
+
     captureResizeCheck = document.getElementById('captureResizeCheck');
     captureWidthInput = document.getElementById('captureWidthInput')
     captureHeightInput = document.getElementById('captureHeightInput')
@@ -195,7 +198,14 @@ function newCaptureFromInput() {
         resizeHeight = null;
     }
 
-    newCapture(filename, captureKeepOnDiskCheck.checked, !(captureFullResolutionCheck.checked), resizeWidth, resizeHeight);
+    newCapture(
+        filename, 
+        captureKeepOnDiskCheck.checked, 
+        !(captureFullResolutionCheck.checked), 
+        captureBayerCheck.checked, 
+        resizeWidth, 
+        resizeHeight
+    );
 
 }
 
diff --git a/openflexure_microscope/api/templates/index_v1.html b/openflexure_microscope/api/templates/index_v1.html
index 42d846a9..249b3862 100644
--- a/openflexure_microscope/api/templates/index_v1.html
+++ b/openflexure_microscope/api/templates/index_v1.html
@@ -93,6 +93,7 @@
         <input type="text" id="captureFilenameInput" placeholder="Leave blank for default"><br>
         Store on Pi: <input type="checkbox" id="captureKeepOnDiskCheck"><br>
         Full resolution: <input type="checkbox" id="captureFullResolutionCheck"><br>
+        Keep raw data: <input type="checkbox" id="captureBayerCheck"><br>
         Resize capture: <input type="checkbox" id="captureResizeCheck" onclick="newCaptureResizeToggle(this);"><br>
         <input type="number" id="captureWidthInput" value="640" style="width: 7em" disabled>
         <input type="number" id="captureHeightInput" value="480" style="width: 7em" disabled><br>