diff --git a/nerfstudio/process_data/colmap_converter_to_nerfstudio_dataset.py b/nerfstudio/process_data/colmap_converter_to_nerfstudio_dataset.py
index 7ab711b46..b4dccbdd8 100644
--- a/nerfstudio/process_data/colmap_converter_to_nerfstudio_dataset.py
+++ b/nerfstudio/process_data/colmap_converter_to_nerfstudio_dataset.py
@@ -41,6 +41,9 @@ class ColmapConverterToNerfstudioDataset(BaseConverterToNerfstudioDataset):
     refine_pixsfm: bool = False
     """If True, runs refinement using Pixel Perfect SFM.
     Only works with hloc sfm_tool"""
+    refine_intrinsics: bool = True
+    """If True, do bundle adjustment to refine intrinsics.
+    Only works with colmap sfm_tool"""
     feature_type: Literal[
         "any",
         "sift",
@@ -204,6 +207,7 @@ class ColmapConverterToNerfstudioDataset(BaseConverterToNerfstudioDataset):
                 gpu=self.gpu,
                 verbose=self.verbose,
                 matching_method=self.matching_method,
+                refine_intrinsics=self.refine_intrinsics,
                 colmap_cmd=self.colmap_cmd,
             )
         elif sfm_tool == "hloc":
diff --git a/nerfstudio/process_data/colmap_utils.py b/nerfstudio/process_data/colmap_utils.py
index 2322075b5..83188c005 100644
--- a/nerfstudio/process_data/colmap_utils.py
+++ b/nerfstudio/process_data/colmap_utils.py
@@ -93,6 +93,7 @@ def run_colmap(
     gpu: bool = True,
     verbose: bool = False,
     matching_method: Literal["vocab_tree", "exhaustive", "sequential"] = "vocab_tree",
+    refine_intrinsics: bool = True,
     colmap_cmd: str = "colmap",
 ) -> None:
     """Runs COLMAP on the images.
@@ -105,6 +106,7 @@ def run_colmap(
         gpu: If True, use GPU.
         verbose: If True, logs the output of the command.
         matching_method: Matching method to use.
+        refine_intrinsics: If True, refine intrinsics.
         colmap_cmd: Path to the COLMAP executable.
     """
 
@@ -154,7 +156,7 @@ def run_colmap(
         f"--output_path {sparse_dir}",
     ]
     if colmap_version >= 3.7:
-        mapper_cmd.append("--Mapper.ba_global_function_tolerance 1e-6")
+        mapper_cmd.append("--Mapper.ba_global_function_tolerance=1e-6")
 
     mapper_cmd = " ".join(mapper_cmd)
 
@@ -165,15 +167,17 @@ def run_colmap(
     ):
         run_command(mapper_cmd, verbose=verbose)
     CONSOLE.log("[bold green]:tada: Done COLMAP bundle adjustment.")
-    with status(msg="[bold yellow]Refine intrinsics...", spinner="dqpb", verbose=verbose):
-        bundle_adjuster_cmd = [
-            f"{colmap_cmd} bundle_adjuster",
-            f"--input_path {sparse_dir}/0",
-            f"--output_path {sparse_dir}/0",
-            "--BundleAdjustment.refine_principal_point 1",
-        ]
-        run_command(" ".join(bundle_adjuster_cmd), verbose=verbose)
-    CONSOLE.log("[bold green]:tada: Done refining intrinsics.")
+
+    if refine_intrinsics:
+        with status(msg="[bold yellow]Refine intrinsics...", spinner="dqpb", verbose=verbose):
+            bundle_adjuster_cmd = [
+                f"{colmap_cmd} bundle_adjuster",
+                f"--input_path {sparse_dir}/0",
+                f"--output_path {sparse_dir}/0",
+                "--BundleAdjustment.refine_principal_point 1",
+            ]
+            run_command(" ".join(bundle_adjuster_cmd), verbose=verbose)
+        CONSOLE.log("[bold green]:tada: Done refining intrinsics.")
 
 
 def parse_colmap_camera_params(camera) -> Dict[str, Any]: