The M6 Joint is an optional product to attach the Direct Base III or Direct Base YS RT on a Stick Arm or Multi Ball Arm (*1) to hold a strobe or LED flashlight on the middle of arm (*2).
 

(*1) Unable to attach on the "Multi Ball Arm SS".
(*2) The Direct Base III combined with an arm via this product, can hold single strobe or two LED flashlights with the Clamp III but not able to hold any heavier combination like a strobe and an LED flashlight together, three or more LED flashlights or attaching single strobe or two LED flashlights via arm with two or more Clamp III.

 
Weight:
24g (0.8oz) [air] /
approx.15g (0.5oz) [underwater]
 
Compatible arm :

• Stick Arm XS-T/SS-T/S-T/M-T/L
• Multi Ball Arm S/ML/L/LL/XL

The M5 Joint is an optional product to attach a Lens Holder for Float Arm (*2) or the Shoe Base II (via Shoe Base Spacer) on a Stick Arm or Multi Ball Arm (*1).
 

(*1) Unable to attach on the "Multi Ball Arm SS".
(*2) "Stick Arm XS-T" and "Multi Ball Arm S" is only compatible with the "Shoe Base Spacer" but not compatible with a lens holder.

 
Weight :
14g (0.5oz) [air] /
approx.8g (0.3oz) [underwater]
 
Compatible arm :
When installing Lens Holder for Float Arm

• Stick Arm SS-T/S-T/M-T/L
• Multi Ball Arm ML/L/LL/XL

When installing Shoe Base Spacer

• Stick Arm XS-T/SS-T/S-T/M-T/L
• Multi Ball Arm S/ML/L/LL/XL

 
Compatible options

• AD/LD/M67 Lens Holder for Float Arm
• AD Lens Holder (Lens Holder [hole] only)
• LD/M67 Lens Holder W (Lens Holder [hole] only)
• Shoe Base Spacer

An optional product to attach the Shoe Base on a Float Arm, Mega Float Arm or Mega Float Tube. Also usable to attach the Shoe Base II on the M5 Joint installed on a Stick Arm or Multi Ball Arm to hold a strobe or LED flashlight on the middle of arm (*1).

(*1) Unable to attach on the "Multi Ball Arm SS".

 
Weight :
20g (0.7oz) [air] /
approx.12g (0.4oz) [underwater]
 
Compatible arm :

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M
• M5 Joint + Stick Arm XS-T/SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm /ML/L/LL/XL

A lens adapter for "XD Mount series" lenses to hold a lens on a compatible arm etc. to support quick lens exchange underwater.
 
Compatible arm :

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M
• M5 Joint + Stick Arm XS-T/SS-T/S-T/M-T/L

• M5 Joint + Multi Ball Arm /ML/L/LL/XL

Compatible arms that can hold lenses on both side in combination of XD Lens Holder M5 and XD Lens Holder S.

• Arm SS/S/M/L
• YS Arm MS/M

A lens adapter for "XD Mount series" lenses to hold a lens on a compatible arm etc. to support quick lens exchange underwater.
 
Compatible arm :

• Arm SS/S/M/L

• YS Arm MS/M

Compatible arms that can hold lenses on both side in combination of XD Lens Holder M5 and XD Lens Holder S.

• Arm SS/S/M/L
• YS Arm MS/M

A lens adapter for "M52 Mount series" lenses to hold a lens on a compatible arm etc.to support quick lens exchange underwater.
 
Weight : 
49g (1.7oz) [air] /
approx.26g (0.9oz) [underwater]
 
Compatible arm :

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M + Carbon Telescopic Arm SS/S/M/L
• M5 Joint + Stick Arm XS-T/SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm /ML/L/LL/XL

A lens adapter for "M52 Mount series" lenses to hold a lens on a compatible arm etc.to support quick lens exchange underwater.
 
Weight :
54g (1.9oz) [air] /
approx.28g (0.9oz) [underwater]
 
Compatible arm :

• Arm SS/S/M/L
• YS Arm MS/M

A lens holder to carry two lenses on both sides of compatible arm. Each holder can be used as either of M52 Lens Holder S or M52 Lens Holder for Float Arm.
 
Weight :
104g (3.6oz) [air] /
approx.50g (1.7oz) [underwater]
 
Compatible arm :
Compatible arms that can hold lenses on both side in combination with this product.

• Arm SS/S/M/L
• YS Arm MS/M

A lens holder attached on a Float Arm/Mega Float Arm/Mega Float Tube or on the "M5 Joint" installed on a Stick Arm/Multi Ball Arm (*1) to carry M67 series/28M67 series attachment lens to help comfortable multiple lens handling underwater. The lens holder is screwed on an arm or M5 Joint through center screw hole.

(*1) "Multi Ball Arm SS" is not compatible with the "M5 Joint". "Stick Arm XS-T" and "Multi Ball Arm S" can hold the "M5 Joint" but not compatible with a lens holder.

 
Weight :
50g (1.8oz) [air] /
approx.25g (0.9oz) [underwater]
 
Compatible arm : 

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M
• M5 Joint + Stick Arm SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm ML/L/LL/XL

A lens holder attached on an Arm, etc. to carry M67 series/28M67 series attachment lens. Compatible product is sandwiched between Lens Holder [screw] and Lens Holder Base of this product.
 
Weight :
62g (2.2oz) [air] /
approx.31g (1.1oz) [underwater]
 
Compatible arm/base :

• Arm SS/S/M/L
• YS Arm MS/M
• Grip Base D4 + D Holder Extension Bar 
• Grip Base M1+ D Holder Extension Bar
• D Holder +  D Holder Extension Bar
• Grip Base DIII w/ Rubber Grip D
• Grip Base DII w/ Rubber Grip D

A lens holder attached on an Arm to carry maximum two M67/28M67 series attachment lens. Compatible product is sandwiched between Lens Holder [screw] and Lens Holder [hole]. The Lens Holder [screw] is usable as M67 Lens Holder S and the Lens Holder [hole] is usable as like M67 Lens Holder for Float Arm as well.
 
Weight :
When attached on single side
62g (2.2oz) [air] /
approx.31g (1.1oz) [underwater]
When attached on both sides
106g (3.7oz) [air] /
approx.60g (2.1oz) [underwater]
 
Compatible arm/base :
Installed with Lens Holder [screw] and Lens Holder [hole]

• Arm SS/S/M/L
• YS Arm MS/M

Installed with Lens Holder [screw] and Lens Holder Base

• Arm SS/S/M/L
• YS Arm MS/M
• Grip Base D4 + D Holder Extension Bar
• Grip Base M1 + D Holder Extension Bar
• D Holder + D Holder Extension Bar
• Grip Base DIII w/ Rubber Grip D
• Grip Base DII w/ Rubber Grip D

Installing Lens Holder [hole] by a screw

• Float Arm S/M/ML
• Mega Float Arm S/M
• M5 Joint + Stick Arm SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm ML/L/LL/XL
• Mega Float Tube S/M

LD Lens Holder for Float Arm
A lens holder attached on a Float Arm/Mega Float Arm/Mega Float Tube or on the "M5 Joint" installed on a Stick Arm/Multi Ball Arm (*1) to carry 28LD series/LD series attachment lens to help comfortable multiple lens handling underwater. The lens holder is screwed on an arm or M5 Joint through center screw hole.
In combination with "AD-LD Mount Converter for UCL-165AD"/"M67-LD Mount Converter for UCL-330/165M67", other series attachment lens can be attached as well in addition to 28LD series/LD series lens.
(*1) "Multi Ball Arm SS" is not compatible with the "M5 Joint". "Stick Arm XS-T" and "Multi Ball Arm S" can hold the "M5 Joint" but not compatible with a lens holder.
 
Weight :
32g (1.1oz) [air] /
approx.7g (0.2oz) [underwater]
 
Compatible arm :

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M
• M5 Joint + Stick Arm SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm ML/L/LL/XL

A lens holder attached on an Arm, "D Holder Extension Bar" or "Grip Base DIII w/ Rubber Grip D" etc. to carry 28LD series/LD series attachment lens. Compatible product is sandwiched between Lens Holder [screw] and Lens Holder Base of this product.
In combination with "AD-LD Mount Converter for UCL-165AD"/"M67-LD Mount Converter for UCL-330/165M67", other series attachment lens can be attached as well in addition to 28LD series/LD series lens.
 
Weight :
44g (1.6oz) [air] /
approx.14g (0.5oz) [underwater]
 
Compatible arm/base :

• Arm SS/S/M/L
• YS Arm MS/M
• Grip Base D4 + D Holder Extension Bar
• Grip Base M1 + D Holder Extension Bar
• D Holder + D Holder Extension Bar
• Grip Base DIII w/ Rubber Grip D
• Grip Base DII w/ Rubber Grip D

A lens holder attached on an Arm to carry maximum two 28LD series/LD series attachment lens. Compatible product is sandwiched between the Lens Holder [screw] and Lens Holder [hole]. The Lens Holder [screw] is usable as LD Lens Holder S and the Lens Holder [hole] is usable as like LD Lens Holder for Float Arm as well.
In combination with "AD-LD Mount Converter for UCL-165AD"/"M67-LD Mount Converter for UCL-330/165M67", other series attachment lens can be attached as well in addition to 28LD series/LD series lens.
 
Weight :
When attached on single side
44g (1.6oz) [air] /
approx.14g (0.5oz) [underwater]
When attached on both sides
69g (2.4oz) [air] /
approx.20g (0.7oz) [underwater]
 
Compatible arm/base :
Installed with Lens Holder [screw] and Lens Holder [hole]

• Arm SS/S/M/L
• YS Arm MS/M

Installed with Lens Holder [screw] and Lens Holder Base

• Arm SS/S/M/L
• YS Arm MS/M
• Grip Base D4 + D Holder Extension Bar
• Grip Base M1 + D Holder Extension Bar
• D Holder + D Holder Extension Bar
• Grip Base DIII w/ Rubber Grip D
• Grip Base DII w/ Rubber Grip D

Installing Lens Holder [hole] by a screw

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M
• M5 Joint + Stick Arm SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm ML/L/LL/XL

A lens holder attached on a Float Arm/Mega Float Arm/Mega Float Tube or on the "M5 Joint" installed on Stick Arm/Multi Ball Arm (*1) to carry AD series/28AD series attachment lens to help comfortable multiple lens handling underwater. The lens holder is screwed on an arm or M5 Joint through center screw hole.
Usable to hold SD Mount series attachment lenses for GoProR as well.

(*1) "Multi Ball Arm SS" is not compatible with the "M5 Joint". "Stick Arm XS-T" and "Multi Ball Arm S" can hold the "M5 Joint" but not compatible with a lens holder.

 
Weight :
26g (0.9oz) [air] /
approx.6g (0.2oz) [underwater]
 
Compatible arm :

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M
• M5 Joint + Stick Arm SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm ML/L/LL/XL

A lens holder attached on an Arm etc. to carry AD series/28AD series attachment lens. Compatible product is sandwiched between Lens Holder [screw] and Lens Holder [hole], or Lens Holder [screw] and Lens Holder Base of this product. The Lens Holder [hole] is usable as like "AD Lens Holder for Float Arm" as well.
Usable to hold SD Mount series attachment lenses for GoProR as well.
 
Weight :
When attached on single side
38g (1.3oz) [air] /
approx.12g (0.4oz) [underwater]
When attached on both sides
57g (2.0oz) [air] /
approx.18g (0.6oz) [underwater]
 
Compatible arm/base :
Installed with Lens Holder [screw] and Lens Holder [hole]

• Arm SS/S/M/L
• YS Arm MS/M

Installed with Lens Holder [screw] and Lens Holder Base

• Arm SS/S/M/L
• YS Arm MS/M
• Grip Base D4 + D Holder Extension Bar
• Grip Base M1 + D Holder Extension Bar
• D Holder + D Holder Extension Bar
• Grip Base DIII w/ Rubber Grip D
• Grip Base DII w/ Rubber Grip D

Installing Lens Holder[hole] by a screw

• Float Arm S/M/ML
• Mega Float Arm S/M
• Mega Float Tube S/M
• M5 Joint + Stick Arm SS-T/S-T/M-T/L
• M5 Joint + Multi Ball Arm ML/L/LL/XL

The M6 Plate Direct Base III is an optional product to attach the Direct Base III or Direct Base YS RT on INON X-2 series housing, Grip + Bar III Set or Holder II.
 
Weight :
19g (0.7oz) [air] /
approx.15g (0.5oz) [underwater]
 
Compatible base/housing :

• X-2 series housing, X1-Z/LZ/NZ housing,
• Holder II, Grip + Bar III Set, Holder II Grip Set, Holder Base,
• Grip Bar I Set, Grip Bar II Set
• Grip Base DIII w/ Rubber Grip D
• Grip Base DII w/ Rubber Grip D
• Other brands' housing/arm system (*1) (*2)

(*1) Compatible with 2 x M6 screw holes with 8mm or more depth and 13mm-28mm center-to-center distance of screw holes.
(*2) INON INC. has not confirmed compatibility with specific product(s) from other manufactures. Before using, make sure to check if the product(s) from other manufactures is compatible and does not interfere other combined product(s). 

The M5 Plate Direct Base III is an optional product to attach the Direct Base III or Direct Base YS RT on other manufactures' system which has M5 screw.
 
Weight :
19g (0.7oz) [air] /
approx.13g (0.5oz) [underwater]
 
Compatible base/housing :

• Other brands' housing/arm system (*1)

(*1) Compatible with 2 x M5 screw holes with 6mm or more depth and 24mm-28mm center-to-center distance of screw holes. 

An adapter to attach the Shoe Base on an X-2 series housing or System Base II to hold an external strobe (D-200, S-220 etc.) via Z Joint or LED flashlight (LE series, LF series) via light holder for free positioning of the lighting device.
 
Weight :
10g (0.4oz) [air] /
approx.6g (0.2oz) [underwater]
 
Compatible 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
• X-2 for EOS60D
• X-2 for EOS70D
• X-2 for EOS6D
• X-2 for EOS80D
• X-2 for GF1
• X-2 for GF2

 
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.

A ball-joint adapter to attach on the either end of INON base tray product to add an optional arm directly from the base tray without a handle not to make total system bulky.
 
Weight :
42g (1.5oz) [air] /
approx.29g (1.0oz) [underwater]
 
Compatible products :

• Main Base III
• Grip Base D4
• Grip Base M1
• Grip Base M1 (12-24 Tripod Screw Set)
• D Base SPS (*Base tray of the Grip Base D4)
• D Base M1 (*Base tray of the Grip Base M1)
• D Base M1 (12-24 Tripod Screw Set)
• (*Base tray of the Grip Base M1(12-24 Tripod Screw Set)

The INON Weigh Plate is to use a diving weight as like a tripod base to hold INON LED flashlight/strobe/GoProR accessory in combination with "Direct Base YS", "Direct Base YS RT","Direct Base Ⅲ", "Multi Direct Base IIa"etc. The Weight Plate (Screw Type) is attached on a diving weight firmly with screws and dedicated plates.
 
Compatible arm :

• Direct Base YS RT
• Direct Base YS
• Direct Base III
• Multi Direct Base IIa
• Multi Direct Base II WB
• Multi Direct Base II
• Multi Direct Base II Long

 
Compatible diving weight :

• 1kg lead weight from Nikko Inc.
• 1.5kg lead weight from Nikko Inc.
• 2kg lead weight from Nikko Inc
• 500g lead weight from Murakami & Co.,Ltd.

*Color weights are not compatible.
*Not compatible with any other diving weight other than above.
*Deformed slot(s) may interfere proper installation of this product.

The INON Weigh Plate is to use a diving weight as like a tripod base to hold INON LED flashlight/strobe/GoProR accessory in combination with "Direct Base YS", "Direct Base YS RT","Direct Base Ⅲ", "Multi Direct Base IIa"etc. The Weight Plate (Velcro Type) is for easy and speedy installation with a Velcro tape.
 
Compatible arm :

• Direct Base YS RT
• Direct Base YS
• Direct Base III
• Multi Direct Base IIa
• Multi Direct Base II WB
• Multi Direct Base II
• Multi Direct Base II Long

 
Compatible diving weight :

• 1kg lead weight from Nikko Inc.
• 2kg lead weight from Nikko Inc

*Color weights are not compatible.
*Not compatible with any other diving weight other than above.
*Deformed slot(s) may interfere proper installation of this product. 

An adapter to attach an underwater housing with "Grip Base D4" or action camera with "D Holder" on the INON underwater tripod system.
Two tripod screw holes on the adapter further enables to use "Panhead Adapter Base" which comes with the "UW 3-Way Panhead" to fasten a camera system securely on the underwater tripod system by two screws without rattle.
 
Compatible products :

• D Holder
• Grip Base D4

The Tripod Adapter is an adapter to attach INON external strobe (D-200, S-220, etc.) or LED flashlight (LE series, LF series) via INON Arm system adapter including "Multi Direct Base IIa", "Z Adapter II" and "Direct Base YS RT" on a tripod which is equipped with a 1/4 tripod screw to use "off-camera" lighting technique. The "off-camera" lighting technique includes stable aiming of a strobe with a snoot, back lighting for silhouette effect or independent lighting each for a subject and background to enhance your creative lighting idea to make your underwater photo something special.
 
Weight :
26g (0.9oz) [air] /
approx.16g (0.6oz) [underwater]
 
Compatible products :

• Direct Base III
• Multi Direct Base IIa
• Multi Direct Base II WB
• Multi Direct Base II
• Multi Direct Base II Long
• Direct Base YS RT
• Z Adapter II
• Z Adapter
• Shoe Base Adapter D4 + Shoe Base
• Shoe Base Adapter X-2 + Shoe Base

*When using land use tripod underwater, check its material, surface finishing and construction to make sure that the tripod will not be damaged (rusting or salt build-up) by underwater use. INON Inc. cannot take any responsibility for any trouble / damage (damage to a tripod etc.) resulting from the installation of this product.
Be well conscious of marine environment and marine lives not to harm them when put a tripod on the seabed. 

An optional accessory equipped with 1/4-20UNC female tripod screw hole and 1/4-20UNC male tripod screw to attach "Z Adapter MV 1/4-20UNC" on INON Mount Base/Lens Adapter Base by replacing with original tripod screw of INON Mount Base/Lens Adapter Base.
 
Weight :
31.4g (1.1oz) [air] /
approx.29g (1.0oz) [underwater]

This product is only replaceable to "1/4 Tripod Screw (Silver)" which has silver thread with black resin knob. Other 1/4 Tripod Screws are not compatible.
"LD Lens Adapter Base FXF500", "LD Lens Adapter Base DC46" and "LD Lens Adapter Base DC46/49" are not compatible as their original Tripod Screw (silver colored thread with titanium colored knob) is not replaceable one.
 

Left: 1/4 tripod screw (Silver tip) - Replaceable
Center: 1/4 tripod screw (Black) - Not replaceable
Right: 1/4 tripod screw (Titanium knob) - Not replaceable