diff --git a/main_calcIntrinsics.py b/main_calcIntrinsics.py
index 368c7aad..3312bbe7 100644
--- a/main_calcIntrinsics.py
+++ b/main_calcIntrinsics.py
@@ -26,6 +26,9 @@
 saveIntrinsicsForDeployment = True
 
 deployedFolderNames = ['Deployed_720_60fps','Deployed'] # both folder names if want to keep the detailed folder
+
+cameraModel = "iPhoneTest"  
+videoType = ".mov" #can be .avi or other file formats
     
 # %% Paths to data folder for local testing.
 dataDir = os.path.join(getDataDirectory(),'Data')
@@ -34,7 +37,6 @@
 intrinsicComparisonFile = os.path.join(sessionDir,'intrinsicComparison.pkl')
 
 # %% Get checker parameters and filenames if they exist
-
 # TODO this should come from the server API
 # Get checkerboard parameters from metadata.
 metadataPath = os.path.join(sessionDir,'sessionMetadata.yaml')
@@ -61,7 +63,7 @@
         
      
 # Compute average intrinsic values from multiple trials of same camera
-CamParamsAverage, CamParamList, intrinsicComparisons, cameraModel = computeAverageIntrinsics(sessionDir,trials,CheckerBoardParams,nImages=50)
+CamParamsAverage, CamParamList, intrinsicComparisons, cameraModel = computeAverageIntrinsics(sessionDir,trials,CheckerBoardParams,nImages=50,cameraModel=cameraModel,videoType=videoType)
 
 
 # Save intrinsics from first camera for deployement 
diff --git a/utilsChecker.py b/utilsChecker.py
index 4d464e54..95de3bae 100644
--- a/utilsChecker.py
+++ b/utilsChecker.py
@@ -193,24 +193,28 @@ def calcIntrinsics(folderName, CheckerBoardParams=None, filenames=['*.jpg'],
     return CamParams
 
 # %%
-def computeAverageIntrinsics(session_path,trialIDs,CheckerBoardParams,nImages=25):
+def computeAverageIntrinsics(session_path,trialIDs,CheckerBoardParams,nImages=25,cameraModel= None,videoType=".mov"):
     CamParamList = []
     camModels = []
+    trial_name = ''
     
     for trial_id in trialIDs:
-        resp = makeRequestWithRetry('GET',
+        if cameraModel is None:
+            resp = makeRequestWithRetry('GET',
                                     API_URL + "trials/{}/".format(trial_id),
                                     headers = {"Authorization": "Token {}".format(API_TOKEN)})
-        trial = resp.json()
-        camModels.append(trial['videos'][0]['parameters']['model'])
-        trial_name = trial['name']
+            trial = resp.json()
+            camModels.append(trial['videos'][0]['parameters']['model'])
+            trial_name = trial['name']
+        else:
+            camModels.append(cameraModel)
         if trial_name == 'null':
             trial_name = trial_id
         
         # Make directory (folder for trialname, intrinsics also saved there)
         video_dir = os.path.join(session_path,trial_name)
         os.makedirs(video_dir, exist_ok=True)
-        video_path = os.path.join(video_dir,trial_name + ".mov")
+        video_path = os.path.join(video_dir,trial_name + videoType)
         
         # Download video if not done
         if not os.path.exists(video_path):