INON

■Optical D Cable Type L

Optical D Cable Type L

Fiber optics products to connect the X-2 housing and compatible strobe via Double Optical D Connector. Four different length to choose; "Optical D Cable Type L" with free length approx. 43cm / 17in,"Optical D Cable L Type L" with free length approx. 68cm / 27in, "Optical D Cable SS Type L" with free length approx. 24cm / 9in, and "Optical D Cable LL Type L" with free length approx. 110cm / 43in .


■Holder II Grip Set

Holder II Grip Set

Arm base to attach a strobe on the X-2 housing.

■Weight: 410g (14.5oz) [air] / approx.196g (6.9oz) [below the surface]

■Shoe Base Adapter X-2

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Set-up image

Attached on the top of the X-2 housing to attach the "Shoe Base" enabling to hold an external strobe (S-2000, D-2000, Z-240 etc.) or LED flashlight (LE240 etc.) combined with "Z Joint" or "Light Holder" product via Shoe Base.

■Weight: 10g (0.4oz) [air] / approx.6g (0.2oz) [underwater]

■Compatible [X-2] series Housing
X-2 for EOS10D, X-2 for EOS10D BK, X-2 for EOS20D, X-2 for EOS20D BK
X-2 for EOS20D BK(TM), X-2 for EOS30D BK(TM), X-2 for EOS50D/40D

■Compatible arm system products
Grip+Bar III Set, Holder II Grip Set, Holder Base, Grip Bar Set, Grip Bar II Set


*The thumbscrew of the "Z Joint" or "Light Holder" could possibly obstruct free movement of an Optical D Cable product or electrical cable attached on X-2 housing series.

■X-2 Holder II Spacer

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The INON X-2 Holder II Spacer enables to install INON Holder II on INON underwater housing X-2 series. Specifically designed to maintain almost same holder location as when attaching INON "Holder II Set" on X-2 housing. Weight saving without using INON "Main Base II".

■Weight: 34g (1.2oz) [air] / approx.21g (0.7oz) [underwater]

■Carry Strap [*Discontinued Products]

Carry Strap

キャリングベルト用フックに取り付ける事で、陸上での持ち運びを容易にします。全長240mm。

■MF Rear Port Cap

MF Rear Port Cap

Port O-ring protection during transportation or storage. The MF Rear Port Cap is compatible with all INON ports. Pressure relief construction to equalize pressure inside of the port to the outer pressure is useful when travelling air.

■Housing Body Cap

Body Cap

The Housing Body Cap protects Port O-ring contact surface during transportation or storage. Pressure relief construction to equalize pressure inside of the housing to the outer pressure is useful when travelling air.

■X-2 Main O-ring 175 for 10D/20D/30D/50D40D/60D/70D/6D/GF1/GF2

Main O-Ring for X-2 Housing Body

Spare oil-bearing INON yellow O-ring for housing body.

■Comaptible Housing
X-2 for EOS10D, X-2 for EOS20D, X-2 for EOS30D
X-2 for EOS50D/40D
X-2 for GF1

■O-ring for Port / Extension Ring

O-Ring for Port / Extension Ring

Spare oil-bearing INON yellow O-ring for port or Extension Ring.

■Compatible Port / Extension Ring
Dome Port 2, MRS60 Port II, MRS60 Port, MRS100 Port Type UIII,
MRS100 Port Type UII, MRS100 Port Type S, MF Wide Port, MF Flat Port,
MF Standard Port 2
Dome Port 115, Pancake Port, MRS Base Port
Extension Ring S, Extension Ring M, Extension Ring L, Extension Ring 18, Extension Ring 36, Extension Ring 58, Extension Ring 81, MF EXT. Ring M

■INON Grease

INON Grease

Grease exclusively for oil bearing INON yellow O-ring.

■Lock Ring Tool for X-2 Housing

Lock Ring Tool for X-2 Housing

Dedicated tool (same as packaged tool) to use when installing / removing a viewfinder unit.


*The Lock Ring Tool for X-2 Housing does not come with a viewfinder when purchasing the viewfinder standalone.

■45°View Finder Unit for X-2

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Usable example of 45° View Finder Unit for X-2


The 45°Viewfinder is an interchangeable finder unit to extend eye-point of camera's viewfinder without changing image size (x1.0) to see all finder image area even through a mask without vignetting. The eye piece is at 45 degree angle to camera's optical axis which helps to shoot lower subject like a goby on seabed. Also the eye piece is 360 degree rotatable making it easy to shoot vertical composition from low angle.


*The Lock Ring Tool for X-2 Housing and Finder Unit Fixing Screw Ring is not included.

■Weight: 337g (11.9oz) [air including Finder Unit Fixing Screw Ring]

■Straight View Finder Unit for X-2

[Discontinued]

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Usable example of Straight View Finder Unit for X-2


The Straight Viewfinder is an interchangeable finder unit to extend eyepoint of camera's viewfinder without changing image size (x1.0) to see all finder image area even through a mask without vignetting.
The eye piece is level to camera's optical axis to position camera/housing closer to a subject without changing your position.

*The Lock Ring Tool for X-2 Housing and Finder Unit Fixing Screw Ring is not included.

■Weight: 277g (9.8oz) [air including Finder Unit Fixing Screw Ring]

■Pick-up Finder 2 for X-2

Pick Up Finder 2 for X-2
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Usable example of Pick-up Finder Unit 2 for X-2


The Pick-up Finder is a compact interchangeable finder unit to extend eyepoint and scale down image size (x0.75) to practically suppress vignetting to check composition even through a mask.
Previous "Pick-up Finder Unit for X-2" is not usable for EOS 50D/40D but possible to use in combination with optional "Pick-up Finder Unit 2 (camera side module)".

*The Lock Ring Tool for X-2 Housing and Finder Unit Fixing Screw Ring is not included.

■Finder Window Unit for X-2

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Usable example of Finder Window Unit for X-2


The Finder Window is most inexpensive interchangeable finder unit which consists of single waterproof window made of optical glass to access camera's finder. This unit does not have carry optical function like extending camera's eyepoint so only center part of camera's finder is visible through a mask.

*The Lock Ring Tool for X-2 Housing and Finder Unit Fixing Screw Ring is not included.

■Corrosion Suppression Unit

Corrosion Suppression Unit

Optional replacement unit when pre-installed unit gets worn. The unit suppresses housing corrosion by oxidizing before the X-2 housing body gets rusted.


Optional Factory Modification

■Sync Connector Installation

Sync Connector Installation
Sync Connector Installation

2 x Nikonos 5 pin type sync connectors are available as optional feature [X sync signal only] to support use of conventional strobe which does not have a fiber optics connector as long as camera is compatible with the strobe.