Ikelite DL 8 inch Dome Port with Extended Base Olympus you can fine-tune framing and

you can fine-tune framing and focusing with stress-free stability

Full-time Servo (AF-F) available in Live View only

Quick-return type

These can be used to help attach lights to the adapter or mount the adapter onto a stand that does not have a 5/8" stud

Supports 14-bit uncompressed RAW format4

Ikelite DL 8 inch Dome Port with Extended Base Olympus you can fine-tune framing andIkelite DL 8 inch Dome Port with Extended Base IK75342 Ikelite Product Number 75342 Product Details An 8 diameter dome made of optical grade acrylic. Comparable quality to glass yet significantly lighter and easier to handle, especially at the surface of the water. Not compatible with external filters. This port features a longer base which is required with certain very large diameter zoom lenses. Refer to the DL System Port Chart for compatibility.