Online Shop 03 5985 1700
Shop by Category
Info
-
Advice
- Why Buy Scuba Equipment?
-
Holiday Gift Guides
- Treat Yourself
- Holiday Diver Must-Have Gifts
- Great Gifts for Scuba Divers
- The Adrenaline Junkie Gift Ideas
- Best Gifts For Freedivers
- The Hunter Gift Guide
- The Tech Diver Gift Guide
- Snorkel Family Gift Guide
- Start Them Young
- The Photographer Gift Guide
- The Environmentalist Gift Guide
- The Tankless Diver
-
Scuba Buying Guides
- Top Recreational Scuba Gear
- Buying a Wetsuit or Drysuit
- Dive Hood Buying Guide
- Dive Gloves Buying Guide
- Scuba Fins Buying Guide
- Buying Dive Boots
- Buying the Best Dive Mask
- Buying a Snorkel
- Dive Light Buying Guide
- Buying a Dive Computer
- Dive Compass Buying Guide
- Buying a Scuba Cylinder
- Buying an Emergency Air Source
- Buying Dive Regulators
- Buying a Scuba Diving BCD
- Buying a Dive Knife
- Dive Reel Buying Guide
- Dive Bag Buying Guide
- Watertight Hard Cases Buying Guide
- Must Have Tools for a Safe Dive
- Underwater Noisemaker Buying Guide
- Buying Scuba Diving Hoses
- Dive Weights Buying Guide
- Scuba Diving O-Rings
-
Scuba Gift Guides
- Valentines Day Gifts for Scuba Divers
- Scuba Doctor Holiday Gift Guide 2021
- Scuba Doctor Holiday Gift Guide 2020
- Scuba Doctor Holiday Gift Guide 2019
- Scuba Doctor Holiday Gift Guide 2018
- Scuba Doctor Holiday Gift Guide 2017
- Scuba Doctor Holiday Gift Guide 2016
- Scuba Doctor Holiday Gift Guide 2015
- Scuba Doctor Holiday Gift Guide 2014
- Scuba Doctor Holiday Gift Guide 2013
-
Trusted Scuba Advice
- Scuba Mask Features
- Fixing Underwater Vision Problems
- Avoiding Mask Squeeze
- Wetsuit Donning Guide
- Snorkel Features
- Scuba Fins
- BCD Features
- Regulator Features
- Save a Dive Kit
- How to Deploy a SMB
- How to Thread a Weight Belt Buckle
- How to Thread a Tank Cam Band Buckle
- Perfect Scuba Diving Weighting
- Buoyancy Control
- Nitrox Fills and O2 Cleaning Cylinders
- Scuba Diving Gas Analysis
- Assembling Twin Cylinders
- Scorkl Dangers
-
Trusted Snorkelling Advice
- What Snorkelling Gear Do You Need
- Snorkelling Fins Buying Guide
- How to Familiarise Your Kids to Snorkelling
- Snorkelling Limits and Safety Precautions
- How Much Lead Weight Should I Wear?
- Snorkelling Holiday Gift Guide 2019
- Snorkelling Holiday Gift Guide 2018
- Using Your Snorkelling Gear
- Snorkelling with a Moustache
- How to Enter and Exit the Water
- Goggles vs Masks
- Full Face Snorkel Mask Dangers
- Underwater Photography and Videography
- Prescription Goggles for Swimming
- Beginners Spearfishing Gear
- Essential Spearfishing Gear
- Introduction to Hookah Diving
- Selected Product Range
- Rebreathers
- Holiday and Gift Giving
- Scuba Diving Checklist
- Guided Dives
- Courses
-
Dive Resources
- Diving and Coronavirus
-
Scuba Diving Safety
- Dive Site Selection
- Wind Factors For Diving
- Weather, Tides, Conditions etc.
- AIS Marine Traffic Melbourne
- Dive From Your Own Boat in Melbourne
- Boat Diving Safety
- Boat Diver Safety Briefings
- Using a Dive Float and Flag
- Seamanship
- Diving in Melbourne Currents
- Diving the Back Beaches
- Diving in Bass Strait
- Diving in Southern Ocean
- Diving Near The Rip
- Diver Communications
- Diver Emergency
-
Melbourne Dive Sites
- Melbourne Dive Sites Map
- Melbourne Dive Site GPS Marks
- Dive Sites Index
- Melbourne Pier Dives
- Melbourne Shore Dives
- Melbourne Wreck Dives
- ex HMAS Canberra Wreck Dive
- Victorian Ships Graveyard Wreck Dives
- J Class Submarine Wreck Dives
- Port Phillip Heads Shipwreck Dives
- Port Phillip Wreck Dives
- Phillip Island Wreck Dives
- Underwater Shipwreck Discovery Trail
- West Coast Shipwreck Trail
- Victoria Wreck Dives
- Victorian Shipwreck Protected Zones
- Melbourne Boat Dives
- Melbourne Bommie Dives
- Melbourne Drift Dives
- Melbourne Reef Dives
- Melbourne Wall Dives
- Melbourne Abalone Dives
- Melbourne Cray Dives
- Melbourne Scallop Dives
- Melbourne Sea Urchin Dives
- Melbourne Other Dives
- Phillip Island Dives
- Wilsons Promontory Dives
- Recent Dive Sites
- Dive Site Help
- Snorkelling in Melbourne
- Spearfishing in Melbourne
- Victorian Marine Protected Areas
- Great Southern Reef
- Giant Spider Crabs Melbourne
- Weedy Seadragons Melbourne
- Facebook for Melbourne Divers
- Sydney and NSW Dive Sites
-
Diving Articles
- 8th Wonder Fantasy Hole
- Bikini Atoll Nuclear Target Fleet
- From Hermes To Saratoga
- Caverns Measureless to Man
- Liability Waivers
- Choosing a Reliable Online Scuba Store
- Lessons To Be Learnt
- USS Saratoga (CV-3)
- Bikini Atoll 2005
- Breathing Gas Quality
- Cylinder Testing
- Trimix Comes To Rye, Victoria
- Channel Deepening
- Tales From The Deep
- Trouble Brewing at the Bottom of the Bay
- Victorian Diving
- How to Catch Sea Urchin
- Love Your Local Diving
- How To Catch Crayfish
- How to Catch Abalone
- How To Cook Crayfish
- Diving the Nuclear Ghost Fleet at Bikini Atoll
- GPS Conversions
- Frequently Asked Questions
- Diving and Snorkelling Downloads
- Dive Links
- Melbourne Web Cams
- Melbourne Boat Launching Ramps
- Scuba Diving Glossary
- Dive Forums
- Dive Trips
-
Service & Repairs
- Regulator Servicing
- Cylinder Oxygen Cleaning
- BCD Servicing
- Dive Computer Battery Change
-
Equipment Care and Maintenance
- How Often Should I Get My Dive Gear Serviced?
- Pre-Season Checklist - Regulators
- care-pre-season-everything-else.htm
- Buoyancy Compensator Care
- Regulator Care
- Dive Computer Care
- Scuba Cylinder Care
- Wetsuit Care
- Drysuit Care
- How to Effectively Maintain Your Drysuit
- Dive Knife Care
- Dive Mask Care
- Fin Care
- Gear Bag Care
- Catch Bag Care
- Snorkel Care
- Dive Light Care
- Caring For Scuba Diving Hoses
- Diving Retractor Care
- Wetsuit and Drysuit Repairs
- Service Policy
- Scuba Safety Alerts
- Bespoke Scuba Fitting Service
- Scuba Cylinder Testing
- Air and Nitrox Fills
- Holiday Dive Gear Hire
-
About Us
- Coronavirus COVID-19 Restrictions
- Meet The Team
- Why We Are Different
- Online and Local
- Everyday Low Prices
- Government and Education Orders
- Specialty Store vs Big Box Store
- Dive Facilities
- Free Wi-Fi
- Environmental Policy
- OHS Policy and Risk Assessment
- Work With Us
- Mad For Marine Life Photo Contest
- Scuba Doctor Newsletters
- Traditional Owners
- Contact Us
- Victorian Dive Sites Map
- Dive Club
- Travel
- Scuba Equipment Rental
- This product is also found in:
- Lens Ports and Gears
Up to 2 business days to dispatch direct
The Isotta Port Extension Ring with 120 mm bayonet to increase the length of the DSLR housing port by 100 mm and allow the use of different lenses.
Technical Data
- Black Anodised Anticorodal Aluminium
- Double O-ring seal
- Max depth 100 metres
What's Included
- Port extension
- 2 O-ring seals
(08/19 LRB)
