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Austin Jansma — Director of Photography

Narrative, Commercial, and Aerial cinematography based in Atlanta.

Cinema cameras need a native vertical mode — and the workaround isn't good enough anymore

  • Writer: Austin Jansma
    Austin Jansma
  • Apr 14
  • 9 min read

Vertical productions are here to stay. Our cameras need to actually know they're shooting vertical — not leave it to an L-bracket and a transform in the NLE.

You've been on a job where the brief included a vertical deliverable. Maybe it was a social cutdown, maybe it was baked into the original scope from day one. Either way, you figured it out. And you delivered. But the fact that we're still engineering workarounds for what is, at its core, a menu option that doesn't exist yet — that's worth saying out loud.

Vertical productions are not a phase. 9:16 and 3:4 specs are showing up in commercial briefs, episodic deliverables, documentary packages. The format has matured past "social content" into legitimate production territory. And cinema cameras — the ones being specified on these jobs — still don't have a native mode for it. That gap needs to close.


The "wasting sensor" argument doesn't hold up

The pushback every time this comes up is some version of: "you're only using a fraction of the sensor." I get where it comes from. But think about what you already do on every single shoot.

Every time you put up 2.39:1 frame lines on a 16:9 sensor, you're cropping the top and bottom and discarding it downstream. Every time you shoot 4:3 with guides for an anamorphic finish, same principle. You're using a defined portion of the sensor by design. That's not waste — that's a framing decision. A native vertical mode is the exact same logic applied to a portrait crop. The camera stays horizontal. The sensor reads normally. The firmware declares which portion of that sensor is your frame, exactly like it does for every other aspect ratio mode you already use.


Native mode vs. monitor frame lines — the difference is real

The current workaround for most productions is one of two things: rotate the camera body on an L-bracket, or shoot horizontal with portrait frame lines on your monitor and sort it out in post. Both work. Neither is the right answer.

The L-bracket approach means re-rigging everything — follow focus, matte box, gimbal balance — every time vertical is in the brief. On a cinema camera package, that's not a small ask. The frame-lines-and-crop approach creates a different problem: your footage arrives in the NLE sideways. Every cut in your vertical timeline needs a rotation transform applied. Your colorist is grading a rotated image. Your scopes are reading a rotated signal. Your export pipeline has to account for an orientation flag that was never baked in. It works, but it's friction layered on friction — all because the camera didn't know it was shooting a vertical production.

When the camera natively knows it's in a vertical format, all of that disappears. The in-camera frame lines match the deliverable exactly. The viewfinder shows the actual frame. The metadata in the file tells the DIT, editor, and colorist what the format is without anyone needing to flag it manually. Your 1st AC pulls to the right frame. Your monitor op sees the right image. Nothing gets reconstructed in post from a note on a call sheet.

What we're asking for is a submenu — call it "vertical format" or "portrait mode" — where you select 9:16 or 3:4, and the camera crops to that ratio natively. Not a guide. Not a post decision. The format, declared in camera, from the moment you hit record.


Open gate 4:3 — the on-ramp that's already there

Here's something that doesn't get talked about enough: several cinema cameras already shoot a native 4:3 open gate mode. The Alexa's open gate reads the full height of the sensor in a squarer format. RED bodies with larger sensors do the same. Fuji's larger format chips are proportioned similarly. And when you're already in 4:3 open gate, a 3:4 vertical crop isn't fighting the sensor — it's essentially rotating the native frame.

Think about what that means practically. In 4:3 open gate, you're already reading the full vertical extent of the sensor. The width-to-height ratio of that chip is already close to square. A 3:4 portrait crop from a 4:3 open gate sensor uses an enormous amount of that available image area — far more than cropping a 16:9 sensor into portrait. You're not carving a thin slice out of a wide chip. You're working with geometry that's already close to what you need.

This is the clearest technical argument for why native vertical mode should already exist. The sensor capability is there. The open gate mode is there. The only missing piece is the firmware telling the camera to orient and crop that gate into a portrait deliverable rather than a landscape one. Manufacturers who already support 4:3 open gate are one firmware decision away from having a genuinely excellent native vertical workflow.

If your camera shoots 4:3 open gate, you are already 90% of the way to a native vertical mode. The sensor geometry works. The resolution holds. All that's missing is the firmware that orients the crop as portrait and bakes that into the file. That's not a hardware problem. That's a software decision that hasn't been made yet.


The resolution math — 9:16 vs 3:4, by sensor class

The camera stays horizontal in both cases. The firmware crops the sensor output to the portrait ratio you've selected. Sensor size is the only real variable — and it matters a lot, especially at the lower end. One thing worth noting upfront: 3:4 retains significantly more of the sensor's horizontal width than 9:16, which means better resolution, more usable frame, and more latitude for a vertical-first production. For cameras with 4:3 open gate, those numbers get even stronger.

4:3 open gateLarge format / Eterna 55

9:16 portrait crop

Max height, narrower width

Sensor

Resolution

Verdict

4K

4K

1215 × 2160

Below 1080p wide

Super 35

6K S35

1944 × 3456

Just under 2K

8K S35

2592 × 4608

Above 2.5K

Full Frame

6K FF

2272 × 4040

~2.3K

8K FF

2430 × 4320

Clears 4K

4:3 Open Gate

Open Gate S35

2160 × 3840

2K+ — strong

Open Gate FF

2880 × 5120

Near 3K — excellent

Large Format

12K LF

3645 × 6480

Above 4K wide

Eterna 55 / IMAX

~4000 × 7111

Native advantage

3:4 portrait crop

Wider frame, more sensor used

Sensor

Resolution

Verdict

4K

4K

1620 × 2160

Just under 2K wide

Super 35

6K S35

2592 × 3456

Above 2.5K

8K S35

3456 × 4608

3.4K+

Full Frame

6K FF

3024 × 4032

~3K clean

8K FF

3240 × 4320

Above 3K

4:3 Open Gate

Open Gate S35

2880 × 3840

~3K

Open Gate FF

3840 × 5120

~4K

Large Format

12K LF

4860 × 6480

Near 5K wide

Eterna 55 / IMAX

~5333 × 7111

Native advantage

* 4:3 open gate figures are approximate and vary by camera model and manufacturer. Eterna 55 / IMAX-style large format figures are based on sensor geometry proportions — actual output varies by recording mode.

At 4K, you need the producer conversation before the shoot. Below 2K wide in 3:4 — and below 1080p wide in 9:16 — is not comfortable territory for most professional deliverables. Know your body, know your crop, plan accordingly.

From 6K Super 35 up, both ratios produce genuine deliverable files with no apology needed. The 4:3 open gate rows tell the most compelling story — a full frame 4:3 open gate sensor in 3:4 portrait is essentially using the full gate. You're not cropping aggressively at all. You're working with sensor geometry that already wants to be this format. And the large format sensors — Fuji's Eterna 55 and IMAX-style chips — are already proportioned in a way that actively favors vertical crops. Their taller native sensor geometry means a portrait crop isn't fighting the sensor. It's working with it.

If your camera shoots 6K or above, you do not have a resolution problem with native vertical mode. You have a firmware problem.

Those are two very different things — and only one of them is yours to solve.


The rig tax is real and it compounds fast

Every DP who's navigated a vertical brief on a cinema package knows what it costs. You build the L-bracket, rotate the body, re-rig the follow focus geometry, clear the matte box, rebalance the gimbal. Or you shoot horizontal and manage the crop entirely in post — which means holding a second set of compositional decisions in your head on every setup, flagging every cut for editorial, and handing your colorist a timeline full of rotation transforms they have to work around.

Sure, a good DIT can set up a bin or a timeline preset in Resolve that auto-applies the transform on ingest — Blackmagic actually built that into the 8.1 workflow. But it's still an extra step in the pipeline that shouldn't exist. Every clip still has to be processed through that rotation, which adds transcode time on export. And if anyone in the chain misses the flag, you've got sideways footage somewhere downstream. That's not a post problem. That's a camera problem with a post bandage on it.

Both paths get you to the deliverable. Neither is a real solution. They're workarounds for a tool that should already exist.


Vertical productions are real work — and they deserve real tools

There's a conversation happening in the industry about vertical productions that misses the point. Some DPs love them. Some resent the rates. But the format itself isn't the issue — it's keeping crews working, it's in legitimate production pipelines, and it's not going anywhere. If anything, vertical-first productions are creating work that wouldn't otherwise exist.

And here's the thing nobody says out loud: shooting vertical is actually a creative challenge worth taking seriously. How do you keep a portrait frame interesting? How do you think about depth, movement, and composition when the canvas is tall and narrow? Those aren't lesser problems to solve — they're just different ones. DPs care about controlling the frame and owning the pipeline from capture to delivery. That's the whole job, regardless of the aspect ratio.

The irony is that the cameras — the tools we use to tell stories and control that frame — are the ones making the vertical workflow harder than it needs to be. Manufacturers are slow on this because they still associate vertical with phones. But productions don't care about that history. They care about what's in the brief, and what's in the brief has changed and is not changing back. When a DP flags a body in a rental conversation because it lacks native vertical, or writes about it — that signal reaches R&D faster than any forum thread.


It's already been done — Canon proved the model

Before anyone says this isn't possible, it's worth pointing out that Canon already shipped it. The EOS C50 — a full-frame 7K cinema body — has a native vertical shooting mode that does exactly what this article is asking for. You select 9:16, 9:17, or 1:1 from the menu. The camera crops the sensor in firmware. The body stays horizontal. The UI and menus reorient for vertical. And here's the part that should embarrass every other manufacturer: the C50 simultaneously records your primary 4K or 7K file and the vertical 2K crop to separate cards at the same time. You walk away from the shoot with both deliverables already baked, no re-rig, no rotation in post, no pipeline overhead.

Canon proved it works on a cinema body. The workflow is real, it ships today, and it costs nothing extra once you own the camera. That removes the last remaining excuse for everyone else. This isn't theoretical anymore.

Blackmagic added vertical support to the Pocket Cinema Camera line in 2023 — but their implementation requires physically rotating the body. On a Pocket Cinema Camera that's manageable. On a fully rigged cinema package it's still a re-rig. Canon's approach on the C50 is the right model: firmware crop, body stays horizontal, format declared at record. That's the standard everyone else should be matching.


The ask — to Arri, RED, Sony, Blackmagic, and Fuji

Arri, RED, Sony, Blackmagic, Fujifilm

Canon shipped this on the C50. One manufacturer figured it out and put it in a cinema body. The rest of you are sitting on sensors where the resolution math already works — cleanly, at 6K and above, in both 9:16 and 3:4. Arri, you have 4:3 open gate on the Alexa line — the sensor geometry is right there. RED and Blackmagic, same story. Sony's Venice and Burano open gate are some of the cleanest large format reads available. Fuji — the Eterna 55's sensor proportions already make the case for you. The math is on your side. The hardware is on your side. Canon already showed the way. What's missing is the menu.

Native 9:16 and 3:4 portrait modes. A dedicated submenu that declares the camera is in a vertical format production. Frame line overlays in the viewfinder. Crop preview on the monitor output. Format metadata baked into every file from the moment of recording. Simultaneous primary and vertical recording if you can manage it. For cameras with 4:3 open gate, a native 3:4 portrait mode is the most logical first step — the sensor already supports it completely.

Vertical productions are real work. They're keeping crews employed. They're a legitimate creative challenge — figuring out how to tell a story in a tall, narrow frame is no different than any other framing constraint we've always worked within. DPs have always adapted to the format the job demands. All we're asking is that the tools adapt with us. The workflow exists. The sensor math works. The only thing standing between a vertical production and a clean professional pipeline is a firmware update and a menu option. Build it.

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