icon/midnight/@searchCreated with Sketch.

Mamiya 645 AF NA403 Auto Extension Tube

Currently out of stock.

These are all gone - but not for long.

Get a notification when the Mamiya 645 AF NA403 Auto Extension Tube is ready to buy again. MPB buys and sells hundreds of items every day, so this one will be back very soon.

Back to all Teleconverters & extension tubes

Model Overview

Mamiya extension tubes are precision machined for close-up and macro photography. They are fully meter coupled for automatic or manual exposure. The three automatic tubes can be used individually or in any combination. The Auto Extension Tubes are coupled with the AF lens apertures and must be used in the manual focus mode. May be used with all lenses from 55mm, except zooms. Some vignetting may occur with lenses 150mm and up.

Peace of mind

Every year, we recirculate more than 500,000 used cameras, lenses and accessories. Everything comes with a free six-month warranty and free shipping.

We’re rated five stars on Trustpilot.

Two photographers; on the left, a photographer is looking through the viewfinder, and on the right, the photographer is smiling and looking at the camera in their hands.

Plastic free shipping

All packaging is plastic free & our platform uses renewable electricity.

MPB and sustainabilityopens in new tab

Trusted by 1,000,000

Over the past ten years, we’ve served more than 1,000,000 visual storytellers around the world.

First-class customer service

Our award-winning team in Brooklyn is here to help.

Help centeropens in new tab