INON > Products Information > Arm System > Underwater Weight

Underwater weight (estimate value in fresh water, calculated based on freshwater density = 1)

■Strobe

Product U/W Weight Product U/W Weight
Z-240 Strobe (TYPE-4) incl. "eneloop" 77g/2.7oz D-2000 Strobe (TYPE-3) incl. "eneloop" 40g/1.4oz
Z-240 Strobe (TYPE-3) incl. "eneloop" 72g/2.5oz D-2000S Strobe (TYPE-2) incl. "eneloop" 9g/0.3oz
D-2000 Strobe (TYPE-4) incl. "eneloop" 47g/1.7oz S-2000 Strobe incl. "eneloop" 69g/2.4oz

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■Strobe Option

Product U/W Weight Product U/W Weight
-0.5/-1.5 Diffuser 2 (TTL/Manual) 5g/0.2oz -0.5/-1.5 Diffuser (TTL/Manual) 5g/0.2oz
-0.5/-1.5 Diffuser 2 (External Auto) 10g/0.4oz -0.5/-1.5 Diffuser (External Auto) 10g/0.4oz

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■Lens

Product U/W Weight Product U/W Weight
UCL-165AD 35g/1.2oz UWL-100 Achromat Type1/Type2 370g/13.1oz
UWL-105AD 142g/5.0oz UWL-100 Achromat Type1/Type2
(with Dome Lens Unit for UWL-100)
587g/20.7oz
UFL-165AD 85g/3.0oz UWL-100 Achromat Type1/Type2
(with Dome Lens Unit II for UWL-100)
533g/18.8oz
UWL-100 28AD 209g/7.4oz UWL-H100 28LD 326g/11.5oz
UWL-100 28AD
(with Dome Lens Unit for UWL-100)
480g/16.9oz UWL-H100 28LD
(with Dome Lens Unit II for UWL-H100)
505g/17.8oz
UWL-100 28AD
(with Dome Lens Unit II for UWL-100)
400g/14.1oz UWL-H100 28M67 Type1 345g/12.2oz
UCL-330 75g/2.6oz UWL-H100 28M67 Type2 346g/12.2oz
UCL-165M67 73g/2.6oz UWL-H100 28M67 Type1
(with Dome Lens Unit II for UWL-H100)
525g/18.5oz
UCL-165LD 72g/2.5oz UWL-H100 28M67 Type2
(with Dome Lens Unit II for UWL-H100)
526g/18.6oz
UFL-M150 ZM80 41g/1.4oz UWL-S100 ZM80 145g/5.1oz
    UWL-S100 ZM80
(with Dome Lens Unit II for UWL-S100 ZM80)
176g/6.2oz

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■Lens Option

Product U/W Weight Product U/W Weight
LD Lens Holder S 14g/0.5oz AD Mount converter for UCL-165AD 3g/0.1oz
LD Lens Holder W 20g/0.7oz Lens Hood for UWL-100 28AD (hood only) 33g/1.2oz
LD Lens Holder for Float Arm 7g/0.2oz Lens Hood for UWL-100 28AD
(with UWL-100 28AD)
242g/20.7oz
AD Lens Holder (single caddy mounted) 12g/0.4oz Lens Hood for UWL-H100 28LD (hood only) 11g/0.4oz
AD Lens Holder (double caddy mounted) 18g/0.6oz Lens Hood for UWL-H100 28LD
(with UWL-100 28AD)
337g/11.9oz
AD Lens Holder for Float Arm 6g/0.2oz AD-LD Mount Converter for UCL-165AD 23g/0.8oz
M67 Lens Holder S 31g/1.1oz M67-LD Mount Converter for UCL-330/165M67 17g/0.6oz
M67 Lens Holder W 60g/2.1oz    
M67 Lens Holder for Float Arm 25g/0.9oz    

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■Mount Base

Product U/W Weight Product U/W Weight
28LD Mount Base XQ1 61g/2.2oz M67 Mount Base 55-95g/
1.9-3.4oz
28LD Mount Base DC51 82g/2.9oz 28LD Mount Base 79-92g/
2.8-3.2oz
28LD Mount Base DC43/47 85g/3.0oz AD, 28AD, 28AD/AD Mount Base 60g-90g/
2.1-3.2oz
28LD Mount Base DC45 75g/2.6oz    
28LD Mount Base MCFT5 76g/2.7oz    

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■Video Base

Product U/W Weight Product U/W Weight
Video Base V4 122g/4.3oz Video Base V1 119g/4.2oz
Video Base V2 125g/4.4oz    

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■Lens Adapter Base

Product U/W Weight Product U/W Weight
LD Lens Adapter Base DC52 76g/2.7oz M67 Lens Adapter Base MCTZ10 68g/2.4oz
LD Lens Adapter Base DC46/49 143g/5.0oz M67 Lens Adapter Base MCTZ7/TZ5 68g/2.4oz
M67 Lens Adapter Base DC48 78g/2.8oz M67 Lens Adapter Base MCZX3/ZX1 64g/2.3oz
LD Lens Adapter Base DC44 137g/4.8oz M67 Lens Adapter Base FXF500 77g/2.7oz
M67 Lens Adapter Base MCTZ35/40 72g/2.5oz M67 Lens Adapter Base FXF80 59g/2.1oz
M67 Lens Adapter Base MCTZ30 70g/2.5oz M67 Lens Adapter Base FXF200 59g/2.1oz
M67 Lens Adapter Base MCTZ20 64g/2.3oz M67 Lens Adapter Base WH 90g/3.2oz

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■Arm Body

Product U/W Weight Product U/W Weight
Stick Arm XS 25g/0.9oz Arm XS 29g/1.0oz
Stick Arm SS 31g/1.1oz Arm SS 40g/1.4oz
Stick Arm S 34g/1.2oz Arm S 44g/1.6oz
Stick Arm M 43g/1.5oz Arm M 52g/1.8oz
Stick Arm L 63g/2.2oz Arm L 74g/2.6oz
Multi Ball Arm SS 37g/1.3oz YS Arm MS 43g/1.5oz
Multi Ball Arm S 42g/1.5oz YS Arm M 49g/1.7oz
Multi Ball Arm ML 56g/2.0oz Float Arm S -75g/-2.6oz
Multi Ball Arm L 69g/2.4oz Float Arm M -135g/-4.8oz
Multi Ball Arm LL 75g/2.6oz Float Arm ML -210g/-7.4oz
Multi Ball Arm XL 87g/3.0oz Mega Float Arm S -390g/-13.8oz
    Mega Float Arm M -650g/-22.9oz

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■Connecting Parts

Product U/W Weight Product U/W Weight
Clamp III 33g/1.2oz YS Adapter 22g/0.8oz
Clamp 35g/1.2oz Double YS Adapter MV 11g/0.4oz
Direct Base III 23g/0.8oz YS Adapter WB MV 13g/0.5oz
Multi Direct Base II WB 33g/1.2oz Z Adapter II 36g/1.3oz
Multi Direct Base II Long 28g/1.0oz SB Adapter 31g/1.1oz
Multi Direct Base IIa 20g/0.7oz Z Adapter 37g/1.3oz
Multi Direct Base II 22g/0.8oz SB Joint II 61g/2.2oz
Z Adapter MV 16g/0.6oz Port Arm D 82g/2.9oz
Z Joint 23g/0.8oz Lens Arm 32g/1.1oz
YS Adapter MV 7g/0.2oz M67 Lens Arm 35g/1.2oz

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■Arm Set

Product U/W Weight Product U/W Weight
Direct Arm Z-MV Set 72g/2.5oz Stick Arm S Set YS-MV 130g/4.6oz
Stick Arm XS Set Z-MV 130g/4.6oz Stick Arm M Set YS-MV 139g/4.9oz
Stick Arm SS Set Z-MV 136g/4.8oz Stick Arm L Set YS-MV 159g/5.6oz
Stick Arm S Set Z-MV 139g/4.9oz Direct Arm D Set 79g/2.8oz
Stick Arm M Set Z-MV 148g/5.2oz Stick Arm XS Set D 137g/4.8oz
Stick Arm L Set Z-MV 168g/5.9oz Stick Arm SS Set D 143g/5.2oz
Direct Arm YS-MV Set 63g/2.2oz Stick Arm S Set D 146g/5.2oz
Stick Arm XS Set YS-MV 121g/4.3oz Stick Arm M Set D 155g/5.5oz
Stick Arm SS Set YS-MV 127g/4.5oz Stick Arm L Set D 175g/6.2oz

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■Base

Product U/W Weight Product U/W Weight
Grip Base D4 142g/5.0oz Grip+Bar III Set 130g/4.6oz
Grip Base D4 Set 165g/5.8oz W Base II 32g/1.1oz
D Holder 77g/2.7oz D Base FXF100 37g/1.3oz
Grip Base DIII w / Rubber Grip 117g/4.1oz D Base PT-037 41g/1.4oz
Grip Base DII w / Rubber Grip 115g/4.1oz D Base MCTZ3 39g/1.4oz
Shoe Base 20g/0.7oz D Base PT-023 48g/1.7oz
Grip Base M1 150g/5.3oz D Base PT-027/022/020 48g/1.7oz
D Base M1 73g/2.6oz D Base PT-018 48g/1.7oz
Holder II Set         [under surface] 66g/2.3oz D Base PT-015 45g/1.6oz
Holder II Grip Set      [under surface] 196g/6.9oz D Base PT-010 52g/1.8oz
Holder II           [under surface] -8g/-0.3oz Shoe Base Adapter X-2 6g/0.2oz
Main Base II 74g/2.6oz

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■Light

Product U/W Weight Product U/W Weight
LE700-S 128g/4.5oz LE240 91g/3.5oz
LE550-W 132g/4.7oz LE250 120g/4.2oz
LE550-S 130g/4.6oz Quad Light Holder LE 48g/1.7oz
Single Light Holder LE 31g/1.1oz Strobe Light Holder LE 35g/1.2oz
Double Light Holder LE 29g/1.0oz    

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■X-2 Housing

Product U/W Weight Product U/W Weight
X-2 for GF2
+ Panasonic 8mm/F3.5 FISHEYE
+ Dome Port 2+Shade 2 set
380g/13.4oz X-2 for GF2
+ Panasonic 8mm/F3.5 FISHEYE
+ Dome Port 115
365g/12.9oz
X-2 for GF2
+ Panasonic 14mm/F2.5
+ Pancake Port
287g/10.1oz X-2 for GF2
+ Panasonic 20mm/F1.7
+ Pancake Port
325g/11.5oz
X-2 for GF2
+ Panasonic 45mm/F2.8 O.I.S. MACRO
+ MRS Base Port + Front Port Macro
+ MRS Magnet Ring DG45 Set
455g/16.0oz X-2 for GF2
+ Panasonic 45mm/F2.8 O.I.S. MACRO
+ MRS BasePort (without MRS Control Ring)
+ Front Port Macro
320g/11.3oz
X-2 for GF2
+ Panasonic 45mm/F2.8 O.I.S. MACRO
+ Extension Ring 36 + Pancake Port
285g/10.1oz X-2 for GF2
+ Panasonic 14-42mm/F3.5-5.6 II O.I.S.
+ MRS G14-42 II Port
+ MRS Magnet Ring G14-42 II Set
352g/12.4oz
X-2 for GF2
+ Panasonic 14-42mm/F3.5-5.6 O.I.S.
+ MRS Base Port + Front Port Wide
+ MRS Magnet Ring G14-42 Set
352g/12.4oz X-2 for GF2
+ Panasonic 14-45mm/F3.5-5.6 O.I.S.
+ MRS Base Port + Front Port Wide
+ MRS Magnet Ring G14-45 Set
385g/13.6oz
X-2 for GF2
+ Panasonic 7-14mm/F4.0
+ MRS Base Port + Front Port Dome 115
+ MRS Magnet Ring G7-14 Set
520g/18.3oz X-2 for GF2
+ Panasonic 12.5mm/F12 (3D Lens)
+ Pancake Port
267g / 9.4oz
X-2 for GF2
+ Olympus 14-42mm/F3.5-5.6 II R
+ MRS Base Port + Front Port Flat 5
+ MRS Magnet Ring MZ14-42 Set
367g/12.9oz    

X-2 for GF1
+ Panasonic 8mm/F3.5 FISHEYE
+ Dome Port 2+Shade 2 set
390g/13.8oz X-2 for GF1
+ Panasonic 8mm/F3.5 FISHEYE
+ Dome Port 115
375g/13.2oz
X-2 for GF1
+ Panasonic 14mm/F2.5
+ Pancake Port
297g/10.5oz X-2 for GF1
+ Panasonic 20mm/F1.7
+ Pancake Port
335g/11.8oz
X-2 for GF1
+ Panasonic 45mm/F2.8 O.I.S. MACRO
+ MRS Base Port + Front Port Macro
+ MRS Magnet Ring DG45 Set
465g/16.4oz X-2 for GF1
+ Panasonic 45mm/F2.8 O.I.S. MACRO
+ MRS BasePort (without MRS Control Ring)
+ Front Port Macro
330g/11.6oz
X-2 for GF1
+ Panasonic 45mm/F2.8 O.I.S. MACRO
+ Extension Ring 36 + Pancake Port
295g/10.4oz X-2 for GF1
+ Panasonic 14-42mm/F3.5-5.6 II O.I.S.
+ MRS G14-42 II Port
+ MRS Magnet Ring G14-42 II Set
362g/12.8oz
X-2 for GF1
+ Panasonic 14-42mm/F3.5-5.6 O.I.S.
+ MRS Base Port + Front Port Wide
+ MRS Magnet Ring G14-42 Set
362g/12.8oz X-2 for GF1
+ Panasonic 14-45mm/F3.5-5.6 O.I.S.
+ MRS Base Port + Front Port Wide
+ MRS Magnet Ring G14-45 Set
395g/13.9oz
X-2 for GF1
+ Panasonic 7-14mm/F4.0
+ MRS Base Port + Front Port Dome 115
+ MRS Magnet Ring G7-14 Set
530g/18.7oz X-2 for GF1
+ Olympus 14-42mm/F3.5-5.6 II R
+ MRS Base Port + Front Port Flat 5
+ MRS Magnet Ring MZ14-42 Set
377g/13.3oz

X-2 for EOS60D PF2
AT-X107DX FISHEYE Set * 
505g/17.8oz X-2 for EOS60D PF2
EF-S18-55mm Set *
275g/9.7oz
X-2 for EOS60D PF2
EF100mm Macro USM Set *
505g/17.8oz X-2 for EOS60D PF2
MRS60 Port II Set *
435g/15.3oz
X-2 for EOS60D FW
(weight difference from PF version) 
0g/0oz X-2 for EOS60D 45°VF
(weight difference from PF version)
+120g/+4.2oz
X-2 for EOS60D Straight VF
(weight difference from PF version)
+70g/+2.5oz    

X-2 for EOS50D/40D PF2
AT-X107DX FISHEYE Set * 
490g/17.3oz X-2 for EOS50D/40D PF2
EF-S18-55mm Set *
260g/9.2oz
X-2 for EOS50D/40D PF2
EF100mm Macro USM Set *
490g/17.3oz X-2 for EOS50D/40D PF2
MRS60 Port II Set *
420g/14.8oz
X-2 for EOS50D/40D FW
(weight difference from PF version) 
0g/0oz X-2 for EOS50D/40D 45°VF
(weight difference from PF version)
+120g/+4.2oz
X-2 for EOS50D/40D Straight VF
(weight difference from PF version)
+70g/+2.5oz    

X-2 for EOS30D PF EF-S18-55mm Set * 420g/14.8oz X-2 for EOS30D PF AT-X107DX FISHEYE Set * 650g/22.9oz
X-2 for EOS30D PF EF-S60mm Macro USM Set * 580g/20.5oz X-2 for EOS30D PF EF100mm Macro USM Set * 650g/22.9oz
X-2 for EOS30D 45°VF
(weight difference from PF version)
+120g/+4.2oz X-2 for EOS30D FW
(weight difference from PF version) 
0g/0oz
X-2 for EOS30D Straight VF
(weight difference from PF version)
+70g/+2.5oz X-2 Holder II Spacer 21g/0.7oz

*Heaviest combination including camera/lens/port/focus,zoom gear.
[PF]: X-2 Housing with Pick-up Finder unit
[FW]: X-2 Housing with Finder Window unit
[VF]: 45°/Straight Viewfinder unit
[PF2]: X-2 Housing with Pick-up Finder unit 2

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■Port option

Product U/W Weight Product U/W Weight
Port Arm for MRS 55g/1.9oz Port Arm for UFL-MR130 EFS60 48g/1.7oz

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■Camera (video) / housing

Mfr. Camera Housing U/W Weight
Panasonic LUMIX FT5 MCFT5 21g/0.7oz
LUMIX FT3 MCFT3 37g/1.3oz
LUMIX FT2 MCFT2 42g/1.5oz
LUMIX TZ40 MCTZ40 -84g/-3.0oz
LUMIX TZ35 MCTZ35 -91g/-3.2oz
LUMIX TZ30 MCTZ30 -68g/-2.4oz
LUMIX TZ20 MCTZ20 -45g/-1.6oz
LUMIX TZ10 MCTZ10 -88g/-3.1oz
LUMIX TZ7 MCTZ7 -84g/-3.0oz
LUMIX TZ5 MCTZ5 -76g/-2.7oz
LUMIX ZX3 MCZX3 -15g/-0.5oz
LUMIX ZX1 MCZX1 -12g/-0.4oz
Canon PowerShot G16 WP-DC52 -101g/-3.6oz
PowerShot S120 WP-DC51 -25g/-0.9oz
PowerShot SX280 HS WP-DC49 -73g/-2.6oz
PowerShot G15 WP-DC48 -91g/-3.2oz
PowerShot S110 WP-DC47 -42g/-1.5oz
PowerShot D20 WP-DC45 -22g/-0.8oz
PowerShot G1 X WP-DC44 -85g/-3.0oz
PowerShot SX260 HS WP-DC46 -92g/-3.2oz
PowerShot S100 WP-DC43 -48g/-1.7oz
PowerShot S95 WP-DC38 -60g/-2.1oz
PowerShot S90 WP-DC35 -69g/-2.4oz
PowerShot G12 WP-DC34 -168g/-5.9oz
iVIS HF M51 (Supplied Battery) WP-V4 -292g/-10.3oz
iVIS HF M51 (Battery Pack BP-727) WP-V4 -282g/-9.9oz
iVIS HF M41 (Supplied Battery) WP-V3 -311g/-11.0oz
iVIS HF M41 (Battery Pack BP-819D) WP-V3 -272g/-9.6oz
iVIS HF M31 WP-V2 -241g/-8.5oz
FUJIFILM FUJIFILM XQ1 WP-XQ1 -56g/-2.0oz
FinePix F600EXR WP-FXF500 -18g/-0.6oz
FinePix F80EXR WP-FXF80 -59g/-2.1oz
FinePix F200EXR WP-FXF200 -61g/-2.2oz
Olympus OM-D E-M1 + M.ZUIKO 14-42mm II R PT-EP11 + PPO-EP01 Lens Port 93g/3.3oz
OM-D E-M1 + M.ZUIKO 12-50mm EZ PT-EP11 + PPO-EP01 Lens Port 149g/5.3oz
OM-D E-M1 + M.ZUIKO 60mm Macro PT-EP11 + PPO-EP01 Lens Port 223g/7.9oz
OM-D E-M1 + Four Thirds Adapter MMF-3
+ ZUIKO 50mm Macro
PT-EP11 + Port Adapter PAD-EP08
+ Port Extension Ring PER-E01
+ MRS Olympus50 Port (w/o control ring)
85g/3.0oz
OM-D E-M1 + Four Thirds Adapter MMF-3
+ ZUIKO 50mm Macro
PT-EP11 + Port Adapter PAD-EP08
+ Port Extension Ring PER-E01
+ MRS Olympus50 Port
+ MRS Magnet Ring Olympus50 Set
244g/8.6oz
OM-D E-M1 + Four Thirds Adapter MMF-3
+ ZUIKO DIGITAL 1.4x Teleconverter EC-14
+ ZUIKO 50mm Macro
PT-EP11 + Port Adapter PAD-EP08
+ Port Extension Ring PER-E01
+ Port Extension Ring PER-E01
+ MRS Olympus50 Port
+ MRS Magnet Ring Olympus50 Set
349g/12.3oz
OM-D E-M1 + Four Thirds Adapter MMF-3
+ ZUIKO 8mm Fisheye
PT-EP11 + Port Adapter PAD-EP08
+ Port Extension Ring PER-E01
+ Shade Sponge D80
+ Dome Port Olympus+Shade 2 Set
471g/16.6oz
PEN E-PL5 + M.ZUIKO 14-42mm II R PT-EP10 -87g/-3.1oz
OM-D E-M5 + M.ZUIKO 14-42mm II R PT-EP08 + PPO-EP01 Lens Port -15g/-0.5oz
PEN E-PM1 + M.ZUIKO 14-42mm II R PT-EP06L -112g/-4.0oz
PEN E-PL3 + M.ZUIKO 14-42mm II R PT-EP05L -54g/-1.9oz
PEN E-PL2 + M.ZUIKO 14-42mm II PT-EP03 -54g/-1.9oz
PEN E-PL1 + M.ZUIKO ED 14-42mm PT-EP01 -220g/-7.7oz
TG-830 PT-055 + Step-Up Ring PSUR-03 42g/1.5oz
TG-2 PT-053 + Step-Up Ring PSUR-03 37g/1.3oz
XZ-2 PT-054 -72g/-2.5oz
TG-1 PT-053 + Step-Up Ring PSUR-03 31g/1.1oz
TG-820 PT-052 + Step-Up Ring PSUR-03 39g/1.4oz
TG-810 PT-051 + Step-Up Ring PSUR-03 74g/2.6oz
TG-610 PT-051 + Step-Up Ring PSUR-03 46g/1.6oz
XZ-1 PT-050 -91g/-3.2oz
Sony DSC-WX200 MPK-WH 41g/1.4oz
DSC-WX100 MPK-WH 44g/1.6oz
DSC-WX50 MPK-WH 39g/1.4oz
Nikon Nikon 1 J3 + 1 NIKKKOR VR 10-30mm WP-N2 11g/0.4oz
Nikon 1 J2 + 1 NIKKKOR VR 10-30mm WP-N1 65g/2.3oz

*Actual measured weight of a housing with camera/battery/storage media. Excluding a balance weight supplied with a housing. A built-in diffuser panel is not included as it is not used when installing Mount Base/Lens Adapter Base or Optical Cable products.
*The data may be different from camera/housing manufactures' nominal value.

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