How do I use Enlarged View mode?

The Enlarged View mode supports the latest iPhone models' narrow depth of field (DoF). This helps ensure the best image quality on the optics of the latest iPhone. When taking TBP images, if you notice an arrow like , please click it to ensure your pictures are of the best quality.

*This feature is only available for iPhone 14/15/16 Pro (Max).

Note: If the previous resolution was 12MP, and you use Enlarged View, then the system will prompt you to turn on 48MP.

*For the best image quality (using iPhone 14/15/16 Pro (Max), please turn on 48MP resolution. Learn how to turn on the setting here.

How to Turn Enlarged View On

Start with TBP and prepare to take total body images. Learn how to add or upload images here.
If you notice an arrow like , please click it. This ensures the best image quality on your iPhone. Learn about depth-of-field and how it works by scrolling to the bottom.
To help you take better, consistent photos, the ghost and silhouette templates are available in the enlarged view. This helps you adjust the distance-to-subject (to influence DoF) and capture the most aligned photo for easier image comparison.
1. No image: a generic silhouette will appear. You can turn this feature off by clicking the "Ghost On/Ghost" button in the top right corner.
2. Have images: you can select an image from a previous visit date to outline a "ghost" to help with image consistency.
If you use OptimaLight, the light intensity supports this distance and ensures the light source illuminates the subject effectively.

More Information about Depth of Field:
Depth of field (DoF) is the distance between the nearest and farthest points in a picture that appear clear. The closer you are to the subject, the shallower the DoF, which can result in a blurrier background or foreground. This effect can keep a subject sharply in focus while creating a blurred background, often in portrait photography. Medical imaging for examination, however, requires a greater DoF to capture the entire body part in focus while avoiding important areas to be blurred. The latest iPhone Pro models have a narrow depth of field (DoF), which can affect how much of an image is in focus.

Several factors can influence the DoF:

1. 1. Focal Length: Longer focal lengths narrow the depth of field. The iPhone camera lenses have fixed focal lengths, meaning the wide, ultra-wide, and telephoto lenses have an unchangeable focal length. While you can change the field of view by switching lenses, you cannot manually adjust the focal length.
  2. Aperture (F-stop): Most iPhones have fixed aperture lenses. A larger aperture will decrease the DoF, while a smaller aperture will increase it. This can be adjusted on some iPhones (portrait mode) or on most DSLR/mirrorless cameras.
  3. Distance to the subject: Users can control the DoF primarily by adjusting the distance from the subject. The closer you are, the shallower the DoF, which can help create in-focus subjects and blurry backgrounds.

Finding the optimal distance will help achieve the best image quality. Rather than getting close to the subject, which can decrease the DoF and result in certain areas of the body part to be in focus (eg. the nose and cheek area are in focus, while the forehead or chin are not, when imaging the face), the Enlarged View mode helps providers take a step back to capture the entire body part. This step back at an ideal distance increases the DoF so an optimized picture can be taken for analysis by the TBP algorithms.

Total body images are captured at a distance of 30-70cm with some variations slightly based on the body part. As confirmed through testing and development, the Enlarged View mode finds the optimal zoom-in factor and assists in capturing the clearest TBP image on the latest iPhone optics.

Enlarged View mode GIF

Without using the Enlarged View mode	Using the Enlarged View mode