| CLB-1070-25P 10 x 70 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-1515-25P 15 x 15 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-1515-30P 15 x 15 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-1515-40P 15 x 15 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-1525-20P 15 x 25 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=20mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-1525-30P 15 x 25 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-1525-40P 15 x 25 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-1570-25P 15 x 70 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-20100-150P 20 x 100 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=150mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-1000P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-100P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=100mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-200P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=200mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-250P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-25P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-40P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-60P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=60mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-70P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=70mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2020-80P 20 x 20 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=80mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-1000P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-150P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=150mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-25P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-400P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=400mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-40P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-50P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=50mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-60P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=60mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2030-700P 20 x 30 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=700mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-1000P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-100P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=100mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-150P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=150mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-200P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=200mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-250P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-25P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-300P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=300mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-30P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-400P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=400mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-500P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=500mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-50P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=50mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-2040-60P 20 x 40 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=60mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-150PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=150mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-200PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=200mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-400PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=400mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-500PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=500mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-50PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=50mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-60PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=60mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-70PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=70mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLB-3050-80PM 30 x 50 mm N-BK7 Plano-Convex Cylindrical Lens; EFL=80mm VIS 400-750nm | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | N-BK7 | Rectangular |
| CLSQ-1010-20P 10 x 10 mm UVFS Plano-Convex Cylindrical Lens; EFL=20mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1010-30P 10 x 10 mm UVFS Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1010-40P 10 x 10 mm UVFS Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1020-40P 10 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1070-15P 10 x 70 mm UVFS Plano-Convex Cylindrical Lens; EFL=15mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1070-30P 10 x 70 mm UVFS Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1070-40P 10 x 70 mm UVFS Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1515-25P 15 x 15 mm UVFS Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1515-30P 15 x 15 mm UVFS Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1525-20P 15 x 25 mm UVFS Plano-Convex Cylindrical Lens; EFL=20mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1525-25P 15 x 25 mm UVFS Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1570-20P 15 x 70 mm UVFS Plano-Convex Cylindrical Lens; EFL=20mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-1570-30P 15 x 70 mm UVFS Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-20100-130P 20 x 100 mm UVFS Plano-Convex Cylindrical Lens; EFL=130mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-20100-250P 20 x 100 mm UVFS Plano-Convex Cylindrical Lens; EFL=250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-20100-300P 20 x 100 mm UVFS Plano-Convex Cylindrical Lens; EFL=300mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-100P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=100mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-130P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=130mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-250P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-25P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-30P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-400P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=400mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-500P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=500mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-60P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=60mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-70P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=70mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2020-80P 20 x 20 mm UVFS Plano-Convex Cylindrical Lens; EFL=80mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-1000P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-100P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=100mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-130P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=130mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-150P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=150mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-200P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=200mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-250P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-25P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-40P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2030-80P 20 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=80mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2040-1000P 20 x 40 mm UVFS Plano-Convex Cylindrical Lens; EFL=1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2040-250P 20 x 40 mm UVFS Plano-Convex Cylindrical Lens; EFL=250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2040-25P 20 x 40 mm UVFS Plano-Convex Cylindrical Lens; EFL=25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2040-30P 20 x 40 mm UVFS Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2040-500P 20 x 40 mm UVFS Plano-Convex Cylindrical Lens; EFL=500mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2040-50P 20 x 40 mm UVFS Plano-Convex Cylindrical Lens; EFL=50mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2050-1000P 20 x 50 mm UVFS Plano-Convex Cylindrical Lens; EFL=1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2050-130P 20 x 50 mm UVFS Plano-Convex Cylindrical Lens; EFL=130mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2050-200P 20 x 50 mm UVFS Plano-Convex Cylindrical Lens; EFL=200mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2050-250P 20 x 50 mm UVFS Plano-Convex Cylindrical Lens; EFL=250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2050-400P 20 x 50 mm UVFS Plano-Convex Cylindrical Lens; EFL=400mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2050-500P 20 x 50 mm UVFS Plano-Convex Cylindrical Lens; EFL=500mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2050-700P 20 x 50 mm UVFS Plano-Convex Cylindrical Lens; EFL=700mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2070-100P 20 x 70 mm UVFS Plano-Convex Cylindrical Lens; EFL=100mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-2070-30P 20 x 70 mm UVFS Plano-Convex Cylindrical Lens; EFL=30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-30100-130P 30 x 100 mm UVFS Plano-Convex Cylindrical Lens; EFL=130mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-30100-300P 30 x 100 mm UVFS Plano-Convex Cylindrical Lens; EFL=300mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-3030-1000P 30 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |
| CLSQ-3030-100P 30 x 30 mm UVFS Plano-Convex Cylindrical Lens; EFL=100mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Convex) | OptoSigma | UVFS | Rectangular |