Mamiya Sekor 80mm f/2.8 AF D

The Mamiya Sekor 80mm f/2.8 AF D is a standard prime lens for the Phase One / Mamiya 645 system, offering autofocus, a fast f/2.8 maximum aperture, and a focal length that serves as the classic portrait and everyday workhorse on medium format.

Key Specifications

• Focal length: 80mm (prime)
• Maximum aperture: f/2.8
• Lens type: Standard
• Autofocus: Yes (AF)
• Mount: Phase One / Mamiya 645
• Version: D (improved sharpness and contrast vs. non-D)
• Use case: Portrait, wedding, studio

Who is the Mamiya Sekor 80mm f/2.8 AF D for?

If you shoot portraits or weddings on a medium format system, this lens deserves a permanent spot in your bag. The 80mm focal length on a 645 frame gives you a perspective that flatters faces without the compression of a longer telephoto — close enough to be intimate, far enough to feel natural. The f/2.8 aperture separates your subject from the background with that characteristically smooth medium format rendering, and the AF version means you're not hunting for focus manually during a first dance or a fleeting candid moment. The "D" designation matters here: forum users and reviewers consistently note that the D version is sharper wide open and delivers better contrast compared to the older non-D, making it the smarter choice if you're building a serious kit around a Mamiya or Phase One body. It's compact and well-balanced for its class, which you'll appreciate during a full day of shooting.

Buying a used Mamiya Sekor 80mm f/2.8 AF D

This lens is one of the most-used in the 645 system, and pre-owned copies are well-understood in terms of condition and performance. At Camera-tweedehands.nl, every lens is professionally inspected for autofocus engagement and aperture blade cleanliness. We verify that AF operates smoothly and document any wear or marks in our detailed inspection report. Every item comes with a minimum of 12 months warranty and individual photography, so you know exactly what you're getting. A comparable alternative in the system worth considering is the Mamiya Sekor 110mm f/2.8 AF D if you prefer a slightly longer portrait reach.