diff --git a/editor/spatial_editor_gizmos.cpp b/editor/spatial_editor_gizmos.cpp
index ba6c713afb6..999353df8d5 100644
--- a/editor/spatial_editor_gizmos.cpp
+++ b/editor/spatial_editor_gizmos.cpp
@@ -1275,7 +1275,7 @@ void CameraSpatialGizmoPlugin::set_handle(EditorSpatialGizmo *p_gizmo, int p_idx
 	if (camera->get_projection() == Camera::PROJECTION_PERSPECTIVE) {
 		Transform gt2 = camera->get_global_transform();
 		float a = _find_closest_angle_to_half_pi_arc(s[0], s[1], 1.0, gt2);
-		camera->set("fov", a * 2.0);
+		camera->set("fov", CLAMP(a * 2.0, 1, 179));
 	} else {
 
 		Vector3 ra, rb;
@@ -1285,8 +1285,7 @@ void CameraSpatialGizmoPlugin::set_handle(EditorSpatialGizmo *p_gizmo, int p_idx
 			d = Math::stepify(d, SpatialEditor::get_singleton()->get_translate_snap());
 		}
 
-		if (d < 0)
-			d = 0;
+		d = CLAMP(d, 0.1, 16384);
 
 		camera->set("size", d);
 	}
diff --git a/scene/3d/camera.cpp b/scene/3d/camera.cpp
index a1794d34a72..bbc81afe3db 100644
--- a/scene/3d/camera.cpp
+++ b/scene/3d/camera.cpp
@@ -583,12 +583,14 @@ Camera::Projection Camera::get_projection() const {
 }
 
 void Camera::set_fov(float p_fov) {
+	ERR_FAIL_COND(p_fov < 1 || p_fov > 179);
 	fov = p_fov;
 	_update_camera_mode();
 	_change_notify("fov");
 }
 
 void Camera::set_size(float p_size) {
+	ERR_FAIL_COND(p_size < 0.1 || p_size > 16384);
 	size = p_size;
 	_update_camera_mode();
 	_change_notify("size");