Sea&Sea DX Extension Ring 20L #topratedproducts (*5) Other higher magnification close-up

(*5) Other higher magnification close-up lens

Using [Linear] or [Narrow] won't bring optimal performance of this lens

For better noticeability

Pulling out the Focus/Zoom Dial gives sufficient room inside the housing to easily accommodate larger diameter lenses

The bottom end is designed to attach Multi Direct Base II products

Sea&Sea DX Extension Ring 20L #topratedproducts (*5) Other higher magnification close-upSea&Sea DX Extension Ring 20L (20mm) for DX NX port (120mm) extended. Compatible with Sea&Sea MDX series housings. Specifications Dimensions (DIAxD): 132 x 35mm 5. 2 x 1. 4 inches Weight: Approx. 170g 6. 0 oz Depth rating: 100m 330ft Construction: Corrosion resistant aluminum alloy (alumite coating)