Focus Rail: Depth of Field
Focus range calculator
$1.99
Set sensor, focal length, aperture, and subject distance to see near limit, far limit, total depth, and hyperfocal distance.
Focus Rail: Depth of Field shows what stays acceptably sharp before you take the photograph.
Choose a sensor format, focal length, aperture, and subject distance. See the near limit, far limit, total depth of field, and hyperfocal distance, with a visual focus rail and meters or feet.
Save useful camera setups and restore them later. All calculations stay on this device, with no account, advertising, analytics, tracking, or server.
The app interface supports English, French, German, Spanish, Italian, Japanese, and Brazilian Portuguese.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
A clearer focus calculator, side-by-side setup comparison and saved setups. Improved decimal input and saved-setup reliability. Refreshed App Store screenshots.
The developer, Paran, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Paran
- Size
- 4.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 7 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © Paran

