Exposing Engineering Ponders the Question: “What if I Just Built My Own Camera from Scratch?”

David Prochnow

Our resident “how-to” project editor, David Prochnow, lives on the Gulf Coast of the United States in Ocean Springs, Mississippi. He brings his expertise at making our photography projects accessible to everyone, from a lengthy stint acting as the Contributing How-To Editor with Popular Science magazine. While you don’t have to actually build each of his projects, reading about these adventures will contribute to your continued overall appreciation of do-it-yourself photography. A collection of David’s best Popular Science projects can be found in the book, “The Big Book of Hacks,” Edited by Doug Cantor.

Multi-film dimensions
Multiple film dimensions on the same roll of film…that’s the VZ-6617. (Photograph courtesy of Exposing Engineering)

Exposing Engineering is on a quest. A quest to build a unique camera. And not just any camera. This one is 3D-printed, modular, and, most dangerously, flexible. Not emotionally, of course, but structurally.

Known as the VZ-6617, (maybe try to “build” a more catchy name from “scratch,” too) this is a medium-format film camera that refuses to commit to a single format. Most cameras politely ask you to pick a frame size and stick with it, like a restaurant insisting you cannot order both pancakes and waffles, at the same time.

This camera, however, says, “Why not both?” and hands you the entire breakfast menu. Users have even noted its ability to shoot multiple frame sizes on the same roll, which feels vaguely illegal, but is an appealing proposition.

The VZ-6617
Various angles of the VZ-6617. (Photographs courtesy of Exposing Engineering)

The design itself has been through multiple iterations, six, to be exact; because nothing says “fun weekend project” like months of prototyping and several tubs of plastic parts. The result is a camera that looks like it escaped from a particularly clever garage and is now roaming free, taking surprisingly good photographs.

Scratch-Building an Itch

Functionally, it’s full of delightful quirks. Interchangeable lenses? Of course. Adjustable film gate? Naturally. A design that lets you tinker endlessly while questioning your life choices? Absolutely. It even includes thoughtful touches like improved seals and modular components, because if you’re going to reinvent the camera, you might as well do it properly.

Sample photographs
Sample photographs taken with the VZ-6617. (Photographs courtesy of Exposing Engineering)

Easing you into this brave new camera world, Exposing Engineering has added several helpful guides with topics ranging from loading film to adding an interchangeable large-format lenses.

But the real charm of this camera isn’t just what it does, it’s what it represents. It’s the photographic equivalent of saying, “I could either buy camera, or I could become the camera’s manufacturer.”

In a world of sleek, mass-produced gadgets, the VZ-6617 stands out as gloriously over-engineered, slightly chaotic, and deeply lovable. It doesn’t just take pictures, it tells a story through a photographer’s labor of love.

In the wild
 The VZ-6617 being used in the wild. (Photographs courtesy of Exposing Engineering)

Mostly, however, it’s the story of someone who refused to leave well enough alone. The initial production run of the VZ-6617 will begin with a Kickstarter campaign launching on April 14, 2026. Be assured, faithful DIYP readers, we’ll keep you updated on this project’s progress.

Enjoy.


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David Prochnow

David Prochnow

Our resident “how-to” project editor, David Prochnow, lives on the Gulf Coast of the United States in Ocean Springs, Mississippi. He brings his expertise at making our photography projects accessible to everyone, from a lengthy stint acting as the Contributing How-To Editor with Popular Science magazine. While you don’t have to actually build each of his projects, reading about these adventures will contribute to your continued overall appreciation of do-it-yourself photography. A collection of David’s best Popular Science projects can be found in the book, “The Big Book of Hacks,” Edited by Doug Cantor.

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