We have evaluated most popular lenses, provided they are well suited for use underwater.  Our port recommendations are available in the following lens port charts. Please check the webpage for your housing to determine which mount your housing features.

 Ikelite Port Systems


Click on one of the links below to download the port chart PDF:


DL (Dry Lock) Port System

DL Port System  Revised February 20, 2020

DL Port System for Canon RF Mount Revised March 11, 2019

DL Port System for Nikon Z Mount Revised December 31, 2019

DL Port System for Panasonic GH5  Revised March 17, 2020

DL Port System for Fujiflm X Mount  Revised January 12, 2020

DL Port System for Sony Alpha Series Cameras  Revised April 20, 2020


DLM (Dry Lock Micro) Port System

DLM/A Port System  Revised March 17, 2020

DLM/B Port System  Revised March 17, 2020

DLM/C Port System  Revised February 20, 2020


FL (Four Lock) Port System

FL Port System  Revised July 14, 2019

FL Port System for Olympus, Panasonic, and Sony DSLR  Revised August 5, 2017

FL Port System for Panasonic GH3/GH4  Revised July 14, 2019

FL Port System for Sony A7-Series  Revised June 1, 2018

FL Port System Standard Fixed Length Ports (Obsolete)


Magnified Viewfinders

Viewfinder Compatibility Chart  Revised September 13, 2019


DC Dome Ports

DC Dome Port Compatibility Chart  Revised September 12, 2018


Additional Reading

Lenses + Ports FAQ

Straight vs 45 Degree Magnified Viewfinder for Underwater Shooting