The Cavision Step-up Thin Adapter Ring (10mm Depth) is best for when a matte box is used with a rods support system.
|Cavision AR72-62 Conical Step Up Adapter Ring - Front 75mm OD (72mm thread) Rear 62mm thread||$2.99|
|Cavision Clamp-on Step-up Ring for 62mm Thread Lens to 72mm - Ring Rear: 65mm (ID) Clamp Ring Front: 72mm||$26.50|
|Cavision Thin Step-Up Ring Front 82mm Thread (85mm OD) Rear 62mm Thread Depth 6mm||$10.00|
|Cavision Conical Step-Up Ring Front 85mm OD (82mm Thread) Rear 62mm Thread Depth 40mm||$35.00|