The Olympus PSUR-03 Step-Up Ring is used for the attachment of conversion lenses on underwater photography set-ups. This genuine Olympus accessory has a 52 - 67 mm diameter and is tagged with product code 164079. Product Features in Detail Compatibility This red, circular step-up ...The Olympus PSUR-03 Step-Up Ring is used for the attachment of conversion lenses on underwater photography set-ups.
This genuine Olympus accessory has a 52 - 67 mm diameter and is tagged with product code 164079. Product Features in Detail Compatibility This red, circular step-up ring works with the PTMC-01 Macro Conversion Lens and the PTWC-01 Wide Conversion lens. Usually, both conversion lenses are used for Olympus underwater housings with a 67mm threaded port.
However, this underwater accessory allows these conversion lenses to be mounted to a lens with a 52mm filter diameter. This ring also works best with the PT-052, PT-053, and PT-055 cases.