Canon 5D Mark 3 HDMI Port Saver Universal Adapter Clamp


After the worldwide success of the LockPort Series for Canon 5D and 7D,LockCircle is announcing the professional LockPort 5M3 for the powerful Canon 5D Mark 3!

The LockPort 5M3 is a new product developed to help avoid damaging  your 5D Mark 3 mini HDMI camera port. The LockPort 5M3  protects definitely the fragile output on your camera from tough production abuse with a rock solid universal clamp and a smart mini to full-size HDMI adapter.

The LockPort 5M3 camera plate is designed to fit easily every head, baseplate, sliding plate, support out there using the original  camera screws already there. Ready in 10 seconds! The LockPort 5M3 safely secures a 90° FRONT/REAR mini HDMI to full-size HDMI adapter, protecting forever the “expensive to repair” mini HDMI port on your expensive HDSLR camera.


The Adapter has gold plated contacts and  the full-size female output allows you to use stronger standard HDMI cables, you can purchase everywhere! Standard size HDMI plugs locks securely in the socket – no signal loose, and if somebody walks over your cable, the plug still can pop-out saving your camera from falling on the ground.

LockPort 5M3


The full-size HDMI 90° output can be used in FRONT or REAR position (2 different adapters) to reach the best cable ergonomics solution on your rig set-up! The LockPort 5M3 adapters are availbale in FRONT and REAR editions, also available in kit or sold separately to upgrade the kits or like spare parts!

Instant reverse output direction set-up.

Can be ordered right now, shipment starts from the first week of June!

LockPort 5M3          Price List   USD 119,00        Euro   99,00

LockPort 5M3 highlights
-           Works with Canon 5D Mark 3 cameras.

-          Saves the “expensive to repair” mini HDMI port on your 5D Mark 3 camera.

-          Full-Size HDMI output allows you to use stronger standard cables.

-          Standard size HDMI plugs locks securely in the socket – no signal loose!

-          90° FRONT or REAR output editions.

-          No loose of video signal anymore! The full-size HDMI output has stronger locking capabilites.


-          Gold plated contacts.

-          Rock solid UNIVERSAL ultra-low base clamp, can work on every plate, head, sliding plate, rig, support out there.

-          Incredible lightweight design and CNC machined manufacturing.

-          Better cable layout on your rig set-up.

-          No longer camera screws, use all the camera screws already out there.

-          Ready in a few seconds.

-          Instant reverse output direction set-up.

-          New! Survival Kit with spare parts available online.