diff --git a/app/services/scope_import.py b/app/services/scope_import.py
index 7bb7ef0..eeb94bf 100644
--- a/app/services/scope_import.py
+++ b/app/services/scope_import.py
@@ -140,15 +140,11 @@ def parse_workbook(data: bytes) -> list[dict]:
         wb.close()
 
 
-async def _static_ap(
-    db: AsyncSession, *, augmented_part_id: int, label: str, od_mm: float
-):
+async def _static_ap(db: AsyncSession, *, augmented_part_id: int, label: str, od_mm: float):
     """Create an attachment point carrying a StaticConnection for ``od_mm``."""
     sc = await static_connection_crud.get_by_od_mm(db, od_mm)
     if sc is None:
-        sc = await static_connection_crud.create(
-            db, od_mm=od_mm, od_in=od_mm / MM_PER_INCH
-        )
+        sc = await static_connection_crud.create(db, od_mm=od_mm, od_in=od_mm / MM_PER_INCH)
     apn = await apn_crud.get_by_name(db, label)
     if apn is None:
         apn = await apn_crud.create(db, name=label)
@@ -160,9 +156,7 @@ async def _static_ap(
     )
 
 
-async def _thread_ap(
-    db: AsyncSession, *, augmented_part_id: int, label: str, spec: str
-):
+async def _thread_ap(db: AsyncSession, *, augmented_part_id: int, label: str, spec: str):
     """Create an attachment point for a parsed ISO/UNC thread, or None."""
     parsed = _parse_thread_attribute(spec)
     if parsed is None:
@@ -206,8 +200,7 @@ async def _link_fit(
     """Create a POSSIBLE fit from the scope's AP to the referenced part's first AP."""
     if scope_ap is None:
         messages.append(
-            f"{scope_role}_fit '{target_sku}' skipped: scope has no "
-            f"{scope_role} attachment point"
+            f"{scope_role}_fit '{target_sku}' skipped: scope has no {scope_role} attachment point"
         )
         return
     target = await augmented_part_crud.get_by_sku(db, target_sku)
@@ -220,16 +213,13 @@ async def _link_fit(
     target_aps = await attachment_point_crud.list_for_augmented_part(db, target.id)
     if not target_aps:
         messages.append(
-            f"{scope_role}_fit '{target_sku}' skipped: referenced part has no "
-            "attachment points"
+            f"{scope_role}_fit '{target_sku}' skipped: referenced part has no attachment points"
         )
         return
     target_ap = target_aps[0]
     existing = await fit_crud.get_by_attachment_points(db, scope_ap, target_ap)
     if existing is None:
-        await fit_crud.create(
-            db, ap_a=scope_ap, ap_b=target_ap, label=FitLabel.POSSIBLE
-        )
+        await fit_crud.create(db, ap_a=scope_ap, ap_b=target_ap, label=FitLabel.POSSIBLE)
 
 
 async def import_scopes(db: AsyncSession, rows: list[dict]) -> ScopeImportResult:
@@ -251,7 +241,7 @@ async def import_scopes(db: AsyncSession, rows: list[dict]) -> ScopeImportResult
         # +2: 1-based, and the header occupies row 1.
         row_num = offset + 2
         model_suffix = _text(row.get("model_suffix"))
-        default_product_number = f"{_text(row.get('model'))} {row.get('magnification_min')}-{row.get('magnification_max')}x{row.get('objective_lens')} {row.get('model_suffix')}".strip()
+        default_product_number = f"{_text(row.get('model'))} {row.get('magnification_min')}-{row.get('magnification_max')}x{row.get('objective_lens_diameter_mm')} {row.get('model_suffix')}".strip()
         product_number = _text(row.get("product_number")) or default_product_number
         result = ScopeImportRowResult(
             row=row_num, product_number=product_number, status="skipped", messages=[]
@@ -273,9 +263,7 @@ async def import_scopes(db: AsyncSession, rows: list[dict]) -> ScopeImportResult
 
             manufacturer = await manufacturer_crud.get_by_name(db, manufacturer_name)
             if manufacturer is None:
-                manufacturer = await manufacturer_crud.create(
-                    db, name=manufacturer_name, url=""
-                )
+                manufacturer = await manufacturer_crud.create(db, name=manufacturer_name, url="")
 
             model_name = _text(row.get("model"))
             url = _text(row.get("url"))
@@ -338,9 +326,7 @@ async def import_scopes(db: AsyncSession, rows: list[dict]) -> ScopeImportResult
 
             # Rebuild attachment points from scratch so re-imports stay idempotent
             # (cascades delete any fits that referenced the old points).
-            for old_ap in await attachment_point_crud.list_for_augmented_part(
-                db, part.id
-            ):
+            for old_ap in await attachment_point_crud.list_for_augmented_part(db, part.id):
                 await attachment_point_crud.delete(db, old_ap)
 
             ocular_ap = None
@@ -366,8 +352,7 @@ async def import_scopes(db: AsyncSession, rows: list[dict]) -> ScopeImportResult
                 )
                 if objective_ap is None:
                     result.messages.append(
-                        f"could not parse objective_thread "
-                        f"'{objective_thread_spec}'"
+                        f"could not parse objective_thread '{objective_thread_spec}'"
                     )
 
             staged.append((row, ocular_ap, objective_ap, part.id, result))
diff --git a/data/First 680 Riflescopes data for new fit guide - June 12 2026.xlsx b/data/First 680 Riflescopes data for new fit guide - June 12 2026.xlsx
index 37d2c4b..83a65f4 100644
Binary files a/data/First 680 Riflescopes data for new fit guide - June 12 2026.xlsx and b/data/First 680 Riflescopes data for new fit guide - June 12 2026.xlsx differ