Description
Product Description
The INON M86 Rear Port Cap is a genuine protective cap designed for the rear mounting side of compatible INON M86 ports. When a port is removed from the underwater housing, the cap covers the exposed rear opening to help protect the port’s mounting threads, sealing surfaces, and interior from dust, dirt, scratches, and other potential damage.
Compact and easy to install, the M86 Rear Port Cap is a useful accessory for safely storing or transporting M86 ports between dives. It helps keep critical mounting and sealing areas protected so your port is ready for proper installation when needed.
Key Benefits
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Designed for M86 Ports
Specifically designed to protect the rear side of compatible INON ports using the M86 mounting system. -
Protects Critical Sealing Surfaces
Helps prevent scratches, dirt, and debris from reaching areas important to proper port installation and sealing. -
Ideal for Storage & Transport
Keeps the rear of your port protected when it is removed from the underwater housing. -
Helps Protect the Port Interior
Covers the open rear side to reduce exposure to dust and other contaminants. -
Quick & Convenient Protection
Easy to install and remove when changing, transporting, or storing compatible ports. -
Genuine INON Accessory
Designed by INON for proper fit with compatible M86 port system components.
Who It's For
- Underwater photographers
- Underwater videographers
- Owners of compatible INON M86 ports
- Divers who regularly change lens ports
- Users transporting or storing M86 port system components
What's Included
- INON M86 Rear Port Cap
Key Specifications
- Product Type: Rear Lens Port Cap
- Mount Type: M86
- Compatibility: Compatible INON M86 ports
- Purpose: Protects the rear opening, mounting area, and sealing surfaces of compatible M86 ports during storage and transport
- Installation: Tool-free
FAQ
What is the M86 Rear Port Cap used for?
It covers and protects the rear side of a compatible INON M86 port when the port is not attached to the housing.
Why should I use a rear port cap?
Keeping the rear of the port covered helps protect its mounting and sealing surfaces from dirt, scratches, and debris that could interfere with proper installation.
Is this the cap for the front glass of the port?
No. This is the rear port cap. It protects the housing-side opening of a compatible M86 port rather than its front optical element.
Does this include an M86 port?
No. This listing includes the INON M86 Rear Port Cap only. Lens ports, housings, cameras, and other accessories are sold separately.
Is this a genuine INON product?
Yes. The M86 Rear Port Cap is a genuine INON accessory designed for compatible M86 port system components.

