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Nikon Z7 Disassembly and Teardown

Our brand new Nikon Z7 full frame mirrorless camera arrived at the office this week, and we immediately got down to business. Four years ago, Sony fired the first shot of this battle with the A7 and continued to release one iteration after another, each improving on the last, and did so completely unanswered by the competition until August 23rd of this year when Nikon announced the Z7 and the Z6. Based on the popularity of our last teardown where we took the A7R III all the way down to its sensor, we’ve decided to provide model-by-model coverage of the full-frame mirrorless wars by showing you what’s under the hood. Specs and performance matter, but taking a detailed look inside can tell you a lot about a camera and how it stacks up to the competition. For this reason, we started with the most worthy challenger to the Sony A7R III: the powerful, 46 megapixel Nikon Z7. The hype is genuine, this camera feels just like a DSLR in your hands. It is well balanced, incredibly responsive, and tightly constructed. We’ve taken our Z7 apart and put it back together and we still can’t get it to rattle or make a noise no matter how hard we shake it. Along with its very tight tolerances, the connection ports and battery and XQD card doors appear to be well sealed against the elements.

Nikon Z7 Disassembly and Teardown

The A7R III has a new rival, and so do all the cameras that still use mirrors. So, what’s going on inside this thing?

Nikon Z7 Disassembly and Teardown

If it weren’t for the new lens mount, they probably could have called the Nikon Z7 the ‘D850 Slim’. That’s how much it looks and feels like a slender, professional DSLR.

Nikon Z7 Disassembly and Teardown

Much like the A7R III, the bottom plate comes off first.

Nikon Z7 Disassembly and Teardown

We can not be held responsible if the battery retention clip attacks you. Unscrew carefully and be ready to catch the pieces.

Nikon Z7 Disassembly and Teardown

More screws on the port side.

Nikon Z7 Disassembly and Teardown

Removing the eyecup reveals 4 screws that’ll have to come out.

Nikon Z7 Disassembly and Teardown

And, another under the XQD card slot. Be extra rough on this one to discipline the camera for it’s lack of dual card slots.

Nikon Z7 Disassembly and Teardown

Carefully skin the grip side of the Z7. This is custom for traditional Nikon dishes and greatly enhances flavor, but it also reveals the VERY tightly interlocked frame underneath which will have to be separated to break the camera down into its main components.

Nikon Z7 Disassembly and Teardown

The back of the Nikon Z7 will then open up revealing many connectors, some of which we haven’t seen before even in other 2018 releases. We were also surprised by how plain things are looking under the hood so far. We’re not seeing the layers of heat shielding and heat sink tape that we say in the A7R III. Is this a good or bad thing? Let us know in the comments.

Nikon Z7 Disassembly and Teardown

Separating some connectors frees the back and LCD from the board.

Nikon Z7 Disassembly and Teardown

Separate the remaining connectors and remove all screws securing the board…

Nikon Z7 Disassembly and Teardown

… and, the board comes right out. The Z7 has just one board with nothing too crazy going on. There are a lot of overlapping connectors that create quite a nest of ribbon cables, but they can be lifted to reveal more hidden screws. We take these out to break the camera down further.

Disassembly and Teardown

First, a closeup of the board (front). Some of those connectors near the top are definitely new.

Disassembly and Teardown

…and the back. Nikon clearly made a tough decision between one XQD card or two SD’s. The A7R III’s dual SD card slots just barely fit onto the main board as you can see from our last breakdown. Nikon went for quality over quantity here, but this is a contentious subject. Only time will tell if professionals share their philosophy.

Disassembly and Teardown

Here are some more intimate shots of how things are looking so far.

Disassembly and Teardown

The lens mount is tightly weather sealed as well by the rubber you can see peeling off in the 2nd shot here (right) as we take off the lens mount ring.

Disassembly and Teardown

Don’t forget the secret screw hiding in the EVF diopter.

Disassembly and Teardown

The camera is now broken down into its major component groups.

Disassembly and Teardown

A detailed look under the top piece before we proceed.

Disassembly and Teardown

Now for the sensor and shaker components: the heart of any modern, IBIS enabled, full-frame contender for the professional mirrorless throne. Several thick and sturdy springs like the one seen here keep the sensor suspended in the perfect position for proper focusing.

Disassembly and Teardown

Removing the sensor assembly reveals a separate component for the headphone and microphone jacks, also like the A7R III.

Disassembly and Teardown

At last, the full sensor assembly, IBIS shaker included.

Disassembly and Teardown

We were surprised to find that the Nikon Z7’s shaker itself does not move very much compared to Sony and others. Despite this, Nikon still claims a CIPA image stabilization rating of 5-stops, where the A7R III claims 5.5.

Disassembly and Teardown

Another unique aspect: the cover glass of the Z7’s sensor is about half a thick as the Sony’s, coming in at 1.1mm. This means the Nikon will have better performance with adapted lenses right out of the box. However, with our ultra-thin conversion measuring down to 0.2mm, the camera will still benefit a great deal from a modification service if you’re a Leica lens (or other legacy glass) enthusiast.

Disassembly and Teardown

When this particular Nikon Z7 is back in one piece, it’ll be a full-spectrum camera and we’ll be testing it with each infrared filter we offer to see how the Z7 performs for infrared photography. Stay tuned.

Disassembly and Teardown

The Nikon Z7 is a beautiful camera inside and out, one that genuinely surprised us with its simplicity when compared to other mirrorless cameras. It seems to have taken a few design pointers from the A7R III, but is still very much its own unique camera. Is it the new standard for full-frame mirrorless? Time will tell. Other DSLR titans like Canon and Panasonic are entering the arena. Old underdogs like Sigma are coming out of retirement. Fujifilm has announced another, smaller medium format mirrorless camera. This is shaping up to be the war to end all camera tech wars, and it’s only just beginning.

9 Responses

  1. Excellent teardown!
    Please let us know if this will be one of the first Nikons to do custom WB settings in multiple spectrums. Making use of all those custom WB slots would be great.
    Thank you,
    David

  2. Great tear down, thank you. Can you please explain how the cover glass thickness affects performance? I didn’t get that part. What performance and why?

  3. I am looking for the method to remove the battery door from the frame. This is necessary for attaching the Meike MK-Z&G hand grip. The battery door then needs to be installed on the MK-Z7G grip.

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