T-Shirt F/8 and Be There Underwater Photographer (Indigo Blue) Covers They can be used interchangeably

They can be used interchangeably with the black o-rings as long as you select the correct size for your housing

ZEISS Batis 18mm f/2

O-ring # 0134

Possible combinations are virtually endless

The WD-3 Dome is only effective underwater

T-Shirt F/8 and Be There Underwater Photographer (Indigo Blue) Covers They can be used interchangeablyIf Ikelite Ambassador Steve Miller could give one piece of advice to any underwater photgrapher, it would be this: "F 8 and Be There." This shirt is the perfect thing to throw on whether you're dreaming of your next dive or out there in the middle of it. Super soft preshrunk jersey knit t shirt. This shirt does run slightly small with a slim fit. You may wish to size up to fit more like a 'regular' t shirt.