iPhone Camera Settings Guide

iPhone Duo Camera Settings

Recommended Setup

The settings to dial in first. Open Settings → Camera and match these

9:41
Settings Camera

Formats

Camera Capture
High Efficiency
Photo Mode
24 MP
Resolution Control

Composition

Grid
Level
Mirror Front Camera

Photo Capture

Lens Correction
Macro Control

Camera Control

Light Press
Exposure
Clean Preview
Settings → Camera 4K 30fps and Dolby Vision are set in the viewfinder
24 MP Photo Mode

Detail from the 48MP sensors with clean low-light files. Resolution Control adds a 48MP toggle in the viewfinder; there is no ProRAW on Duo.

High Efficiency Camera Capture

HEVC is required for 4K 60 and 120fps, 1080p 240fps slo-mo, and Dolby Vision HDR video. Most Compatible (H.264 and JPEG) drops all of them.

Grid + Level Composition

Straight horizons matter more when the phone stands on its own hinge. Level shows when the frame is square to the scene.

Camera Control is the only camera button. iPhone Duo has no Action button. Press Camera Control to launch the camera with the phone open or closed, light-press to adjust Exposure or Zoom, and use it to open the Siri Camera mode for questions about what is in frame. Leave the light press on Exposure; with no telephoto there is less zoom to manage.

Best Video Settings

Resolution, frame rate, and codec options on the iPhone Duo

Recommended Presets

4K

24fps

Cinematic look

4K

30fps

Best all-round

4K

60fps

Smooth motion

4K

120fps

Slow motion (1× only)

1080p

240fps

Extreme slow-mo

4K

Time-lapse

Dolby Vision HDR

Use Case Resolution FPS Codec Format
Social Media Best 4K 30 HEVC Dolby Vision HDR
Vlogging (Rear, Duo Preview) 4K 30 HEVC Dolby Vision HDR
Cinematic Mode 4K 60 HEVC Dolby Vision HDR
Slow Motion B-Roll 4K 120 HEVC Dolby Vision (Fusion Main)
Action Mode 2.8K 60 HEVC Dolby Vision
Time-lapse 4K Auto HEVC Dolby Vision HDR
Dual Capture 4K 30 HEVC Front + rear together
No ProRes, no Log: iPhone Duo records HEVC and H.264 only. ProRes, ProRes RAW, Apple Log 2, and spatial video stay on the 18 Pro models. What carries over is the Pro cameras' 4K 120fps Dolby Vision on the main camera, Cinematic mode at 4K 60fps with effects applied after capture, and 4K Dolby Vision time-lapse that you can shoot with the phone standing on its own hinge. For grading HEVC footage, start with a Dolby Vision-aware timeline or a LUT from Envato Elements.

Camera System

Two 48MP Fusion cameras covering 13mm to 26mm with a 2× 52mm crop, plus two front cameras. No telephoto

Ultra Wide

13mm

ƒ/2.2

48MP · 120° · Macro

Fusion (Main)

26mm

ƒ/1.6

48MP · Sensor-shift OIS · Zero shutter lag

2× Telephoto

52mm

ƒ/1.6

12MP · Crop from Fusion sensor

Front Cameras

Outer + Inner

ƒ/2.2 · ƒ/1.8

12MP Center Stage · Under-display FaceTime

Spec Ultra Wide Main (Fusion) Center Stage (Outer)
Resolution 48MP 48MP 12MP
Focal Length 13mm 26mm Not published
Aperture ƒ/2.2 ƒ/1.6 ƒ/2.2
Optical-quality Crop None 2× 52mm (12MP) None
Stabilization None Sensor-shift OIS Ultra-stabilized video
Autofocus Hybrid Focus Pixels Hybrid Focus Pixels Not listed
Photo Output 24MP or 48MP 24MP or 48MP 12MP
Max Video 4K 60fps 4K 120fps 4K 60fps
Macro Yes (48MP) No No
Under-display FaceTime camera: A fourth camera sits beneath the 7.6-inch inner display at ƒ/1.8 and stays hidden until a call starts. It records 1080p at 30 or 60fps with Center Stage for video calls. For photos, use the outer 12MP Center Stage camera or turn the 48MP rear cameras on yourself with Duo Preview.

Key Features

Camera experiences the folding design makes possible on iPhone Duo

Smart Take

On-device A20 Pro models watch the scene and fire the shutter when everyone is posing. No timer, and nobody stays behind the camera.

New in Duo

Duo Preview

The outer display mirrors the viewfinder so subjects check framing and pose, and the 48MP rear cameras become your selfie cameras.

New in Duo

Kid Cue

Plays Peanuts animations on the outer display to pull a child's eyes toward the lens while you shoot with the rear cameras.

New in Duo

Stand and Shoot

Half-open, the phone stands on its own hinge for Night mode, 4K Dolby Vision time-lapse, and Smart Take group shots with no tripod.

New in Duo

Storage & File Sizes

How much you can fit on your iPhone Duo (256GB / 512GB / 1TB / 2TB)

4K 30fps Dolby Vision Recording Time

256 GB

21 hr

~190 MB/min at 4K30 HEVC

512 GB

44 hr

Room for 48MP photos and 4K 120

1 TB

86 hr

Sweet spot for heavy video

2 TB

174 hr

Top tier; no ProRes to fill it

File Type Format Approximate Size
Photo (HEIF) 24MP default 1.5 – 3 MB
Photo (HEIF) 48MP 5 – 10 MB
Outer Front Camera Photo 12MP HEIF 1 – 2 MB
Video (HEVC 4K30) Dolby Vision ~190 MB/min
Video (HEVC 4K60) Dolby Vision ~440 MB/min
ProRAW / ProRes Not supported HEIF, JPEG, HEVC, H.264 only

Pro Tips & Gotchas

iPhone Duo-specific advice for getting the most from your camera

Fold to Stand

  • Half-open the phone and set it down for Night mode, long time-lapses, and group shots
  • Frame from across the room: Duo Preview on the outer display shows the live view
  • Open it flat for a 7.6-inch viewfinder when reviewing and editing on the spot

Rear-Camera Selfies

  • Shoot selfies on the 48MP rear cameras and frame on the outer screen for far more detail than 12MP
  • Duo Preview lets the subject see the frame; ask them to check it before you press
  • Kid Cue plays Peanuts animations on the outer screen to hold a child's attention

Working Without a Telephoto

  • 2× is a 12MP crop at 52mm; beyond that is digital zoom up to 10× in photos, 6× in video
  • Shoot 48MP at 1× and crop later for a cleaner file than 3× or 4× digital zoom
  • Portrait mode on 2× gives the classic 50mm look

Smart Take

  • On-device A20 Pro models fire the shutter when everyone in frame is posing
  • Use it for group shots you want to be in; no timer, no running back to the phone
  • It works on the rear cameras and the outer 12MP Center Stage camera

Video Limits

  • No ProRes, ProRes RAW, Apple Log 2, or spatial video; HEVC Dolby Vision is the only HDR format
  • 4K 100 and 120fps are Fusion Main only; the Ultra Wide stops at 4K 60fps
  • Cinematic mode effects apply after capture to clips shot at up to 60fps

Buttons & Battery

  • Camera Control launches the camera open or closed; there is no Action button
  • Touch ID lives in the side button; there is no Face ID
  • Up to 44 hours of video playback on the outer display, 31 on the inner; 50% charge in about 20 minutes on a 60W adapter

iPhone Duo vs iPhone 18 Pro

Where the foldable gives up camera hardware, and what it adds

Feature 18 Pro Duo
Chip A20 Pro A20 Pro
Main Camera 48MP 24mm ƒ/1.48 – ƒ/4.0 48MP 26mm ƒ/1.6 fixed
Ultra Wide 48MP 13mm ƒ/2.2 48MP 13mm ƒ/2.2
Telephoto 48MP 4× 100mm, 8× crop None (2× 52mm crop)
Optical-quality Zoom Range 16×
Front Camera 18MP Center Stage ƒ/1.9 12MP Center Stage ƒ/2.2 + under-display FaceTime New
ProRAW Yes No
ProRes / Apple Log 2 Yes No
Spatial Video Yes No
Max Video (4K) 120fps 120fps
Time-lapse 4K Dolby Vision 4K Dolby Vision
Smart Take / Duo Preview / Kid Cue No Yes New
Display 6.3" 7.6" inner + 5.4" outer
Weight 211 g 254 g
Biometrics Face ID Touch ID (side button)
Storage Up to 2TB Up to 2TB
USB USB 3 (10 Gbps) USB 3 (10 Gbps)
Which one for photography? The 18 Pro is the stronger camera: variable aperture, 4× and 8× reach, ProRAW, ProRes, and Log. The Duo's case is how you shoot: the subject sees the frame, the phone stands on its own hinge, and the 48MP rear cameras double as selfie cameras. Same A20 Pro, same Ultra Wide, same 4K 120fps on the main camera.

Frequently Asked Questions

No telephoto, no ProRAW or ProRes, Smart Take, Duo Preview, rear-camera selfies, and 4K 120fps.

Does the iPhone Duo have a telephoto camera?

No. It has two rear cameras: a 48MP Fusion Main at 26mm ƒ/1.6 and a 48MP Ultra Wide at 13mm ƒ/2.2. The 2x setting is a 12MP optical-quality crop from the main sensor at 52mm, and zoom beyond that is digital up to 10x.

Can the iPhone Duo shoot ProRAW?

No. Apple lists HEIF and JPEG as the only image formats on iPhone Duo. Shoot 48MP HEIF for the most detail and editing headroom.

Does the iPhone Duo record ProRes or Apple Log?

No. Video records in HEVC or H.264 up to 4K 120fps Dolby Vision; ProRes, ProRes RAW, Apple Log 2, and spatial video stay on the Pro models. Cinematic mode at 4K 60fps, Action mode, and 4K Dolby Vision time-lapse are included.

How do I take a selfie with the rear cameras on iPhone Duo?

Keep the phone closed and frame on the 5.4-inch outer display; the 48MP rear cameras take the shot and Duo Preview shows you the live view. The 12MP Center Stage camera above the outer display still handles quick selfies and video calls.

What is Smart Take on iPhone Duo?

An on-device A20 Pro feature that watches the scene and takes the photo automatically when everyone in frame is posing, so nobody stays behind the shutter or races a timer. It works on the rear cameras and the outer Center Stage camera.

What are Duo Preview and Kid Cue?

Duo Preview mirrors the live viewfinder on the outer display so subjects can check framing and pose. Kid Cue plays Peanuts animations on that outer display to hold a child's attention toward the lens.

Can the iPhone Duo record 4K at 120fps?

Yes. The 48MP Fusion Main records 4K Dolby Vision at 24, 25, 30, 60, 100, or 120fps, and slo-mo at 1080p up to 240fps. The Ultra Wide tops out at 4K 60fps.

Does the iPhone Duo have Camera Control and an Action button?

Camera Control, yes: it launches the camera open or closed, adjusts exposure and zoom with a light press, and opens the Siri Camera mode. There is no Action button, and Touch ID in the side button replaces Face ID.

Should I buy the iPhone Duo or iPhone 18 Pro for photography?

The 18 Pro for image quality: variable-aperture main camera, a 48MP 4x telephoto with 8x crop, ProRAW, ProRes, and Apple Log 2. Choose the Duo for the 7.6-inch display, hands-free stand modes, and shooting with the subject seeing the frame.