# FF: Depth of Field Calculator — Hyperfocal and DoF Chart > Professional depth of field and hyperfocal distance calculator for photographers. (iPhone/iPad app by Lukas Schmidt.) - Source: https://appshunter.io/ios/app/ff-depth-of-field-calculator/id954502014 (this page in markdown: same URL + `.md`) - Developer: [Lukas Schmidt](https://appshunter.io/developer/954502013) - Category: Photo & Video, Utilities - Price: $2.99 - Rating: 4.00/5 from 21 App Store ratings · 10 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 86 MB - Languages: American English, German (Germany) - Released: 2015-01-16 - Data updated: 2026-08-09 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/ff-depth-of-field-calculator/id954502014/reviews.md ## What is FF? FocusFinder is a professional Depth-Of-Field calculator that works for every camera. With quick data entry, intuitive visualizations, and advanced features like precision modes, FocusFinder is the best tool to improve your photography or videos. Almost every camera available is already included, and we will add yours within 48h if it's missing. FocusFinder calculates at which distances objects will be in focus (i.e., perfectly sharp), and shows you how blurry they will be beyond that. It also shows the hyperfocal distance, to help you get distanced objects perfectly in focus. All this is presented in an intuitive chart, so you can focus on your shot, not your device. You enter the values quickly with the sliders, or manually, for even more precision. To see how different camera settings affect your shot, you can quickly adjust them and view the changes live! On top, FocusFinder helps you to quickly choose lenses by simulating the focal length with your device’s camera, and it calculates the angle of view for your focal lengths. You‘ll see what effect your focal length and the camera body has on the final frame. FocusFinder for Apple Watch (included) brings depth-of-field calculations to your wrist. You enter settings with the Digital Crown and instantly see the effects on your depth-of-field. Visualizations were designed specifically for Apple Watch, to make maximal use of the available space. Cameras are synchronized to your main device. FocusFinder includes almost every camera, and we‘ll add your camera within 48h if it‘s missing. Just drop us a hint from inside the app! Get FocusFinder now, and take your photography to the next level! FocusFinder adapts to your setup: - Add all your camera(s) from the included database and quickly choose between all of them with the quick-switch. - Use presets for those settings you always use. Or for your prime lenses! - Choose between different precision modes for different situations, like high-res stills or video. - If you prefer metric or imperial units, FocusFinder let‘s you choose. - Hyperfocal mode allows you to directly focus to the hyperfocal distance. - Try background pictures (only on iPhone) to visualize the current distance range, or remove them for a minimalistic interface. - Visualize different aspect ratios in the focal length simulator. FocusFinder calculates every number you need! This includes: - length of your depth-of-field - near and far ends of the sharp area - hyperfocal distance - angle and width of your field of view (in FoV-mode) ## Key features - Depth of Field calculation - Hyperfocal distance calculation - Intuitive chart visualizations - Focal length simulation - Angle of view calculation - Apple Watch integration - Customizable precision modes ## Chart rankings - #197 in Top Paid · Photo & Video (US App Store) ## Recent user reviews (10 of 10) All indexed reviews: https://appshunter.io/ios/app/ff-depth-of-field-calculator/id954502014/reviews.md ### 1/5 — Abandonware *2026-04-05, version 3.4.2* Database update disappeared. No updates tor years. All indications abandoned ### 1/5 — Very poor service *2024-06-08, version 3.4.2* The app was ok. You can get the same in a free app. I had a couple of questions in setting things up….emailed them…and never got a reply. Very poor. The list of cameras is old, too. ### 5/5 — Great UI, easy to explore settings *2023-05-27, version 3.4.2* This app makes finding DoF exceedingly easy. Great find and will definitely recommend to friends. ### 5/5 — Simple precision *2022-03-13, version 3.4.2* This is a very thoughtfully laid out app. Adjust the three values -focal length, distance, and aperture, and at a glance know how much depth of field you have to work with. Ergonomically correct on my iPad, my phone, and even my Apple Watch. Great job! Thank you! This will get used… ### 5/5 — TOP 👌 *2021-06-14, version 3.4.1* Взял пакетом оба приложения автора, нужно, красиво, функционально 🔥 ### 5/5 — Great app and support! *2021-04-02, version 3.4.1* Super easy to use, intuitive, and feature packed! Asked about adding my LUMIX G7 into the database, and the next day it was there, and a nice email from their support stating so. Always get tack-sharp shots with this depth of field app. You won’t be disappointed. ### 5/5 — Отличное приложение! *2020-11-29, version 3.4* Суперское приложение стало, когда вышла версия для apple watch. Телефон обычно неудобно каждый раз доставать, а часы всегда под рукой. Пожелание к разработчикам: добавьте, пожалуйста, чтобы можно было заводить свои линзы. Хотя бы просто указывать свои линзы и минимальной, максимальное фокусное расстояние и диафрагмы ### 4/5 — A useful interface *2020-11-22, version 3.3* This app has a useful interface, however I think it could be improved by displaying the results from all three precision modes at once, therefore giving a better indication of the depth of field curve. ### 5/5 — Great App *2019-01-26, version 3.1.1* I tested the depth of field calculations in the field and the pixel perfect hyperfocal distance allows you to zoom-in to 100% and everything from the foreground to infinity is in sharp focus. ### 5/5 — Confusing - UPDATED (AFTER UPDATE) *2019-01-14, version 3.1.1* *** AFTER UPDATE***SEE BELOW*** I choose metric measurements on the settings menu and you still give it to me in ft / inches? If I could get my money back I would, this app is appalling and I paid £2 for it. (Originally a 2 star review) - bit harsh to be fair. UPDATE - Following my download and review above, my query was responded to extremely quickly. I am use to developers really ignoring the problems but this developer accepted that this was an issue and promised that there will be update shortly to remove the problem. Sure enough, this was the case and this app is now working 100%. Very helpful for finding the ‘hyper focal’ distances of my lenses. Another app worth downloading is ‘Helios’ by the same developer. Not only does it let you know what time sunrise / sunset is on any date or location, it also has an ‘augmented reality’ type camera mode that allows you to see the exact direction of where the current days sunrise / sunset will be. Good developer, fluid user interfaces and also very user friendly. Highly recommended. ## Frequently asked questions about FF ### What is FocusFinder? FocusFinder is a professional depth-of-field calculator that helps photographers and videographers determine focus distances and understand hyperfocal distance. It provides intuitive visualizations and advanced features for precise control over your shots. ### Does FocusFinder have ads? No, FocusFinder is ad-free. It is a paid application that offers a clean and uninterrupted user experience for photography calculations. ### How much does FocusFinder cost? FocusFinder is available for a one-time purchase of $2.99. This price grants you access to all its features for depth of field and hyperfocal distance calculations. ### What devices does FocusFinder support? FocusFinder is compatible with Apple Watch, iPhone, iPad, and iPod. The Apple Watch version offers convenient on-wrist depth-of-field calculations. ### Can FocusFinder add my camera if it's not in the database? Yes, FocusFinder aims to include almost every camera. If your camera is missing, you can request it from within the app, and it will be added within 48 hours. ### What are the precision modes in FocusFinder? FocusFinder offers different precision modes tailored for various situations, such as high-resolution stills or video production. This allows users to optimize calculations based on their specific needs. ### How does FocusFinder help with lens selection? FocusFinder simulates focal length with your device's camera and calculates the angle of view for different focal lengths. This helps you visualize the effect of your lens and camera body on the final image. ### Is FocusFinder suitable for beginners? While FocusFinder is a professional tool, its intuitive visualizations and quick data entry make it accessible for photographers of all levels. It's designed to help users improve their photography by understanding key concepts like depth of field. ## Version history (last 5 releases) ### 3.4.2 — 2022-01-03 This update improves the calculation performance and brings bug fixes. ### 3.4.1 — 2021-01-05 This version fixes a problem where the Apple Watch would use the wrong units in some locales. This also adds a complication to the Apple Watch app, which allows you to quick-start FocusFinder for your wrist. ### 3.4 — 2020-11-25 FocusFinder comes to your Apple Watch! Calculate the depth of field and the hyperfocal distance right from your wrist! Change settings with the Digital Crown, and see live results with a visualization that was designed specifically for your watch. Your cameras will sync to your watch on the first start. We hope you will enjoy it. Feel free to leave us feedback and ideas right from inside the app. ### 3.3 — 2020-10-07 You asked for it, we added it: FocusFinder can now simulate how different focal lengths look like with your iPhone‘s camera! Choose your primes, see how that particular focal length actually looks like, and try out different aspect ratios. Also, this update has a few bug fixes and improvements. How can we improve FocusFinder for you? Write us with the feedbank option inside the app! ### 3.2.1 — 2020-09-10 This adds a quick-select button that let's you choose from all your cameras, with one tap! Otherwise, it's just bug fixes for this one. Stay tuned for more! ## Apps similar to FF | App | Rating | Price | Category | | --- | --- | --- | --- | | [Phocus: DSLR Portrait Camera](https://appshunter.io/ios/app/phocus-dslr-portrait-camera/id1211807807) | 4.6 (6,838) | Free | Photo & Video | | [ProCamera. Professional Camera](https://appshunter.io/ios/app/procamera-professional-camera/id694647259) | 4.7 (11,089) | Free | Photo & Video | | [Focos](https://appshunter.io/ios/app/focos/id1274938524) | 4.7 (51,408) | Free | Photo & Video | | [Blurtic Blur Photo Background](https://appshunter.io/ios/app/blurtic-blur-photo-background/id959871642) | 4.0 (328) | Free | Photo & Video | | [PopPic - 3D Photo Camera](https://appshunter.io/ios/app/poppic-3d-photo-camera/id1368935143) | 4.8 (27,058) | Free | Photo & Video | | [ReLens-DSLR Beauty Focus Cam](https://appshunter.io/ios/app/relens-dslr-beauty-focus-cam/id1638027598) | 4.7 (2,032) | Free | Photo & Video | ## More apps by Lukas Schmidt - [Helioseek - Sun AR & Map](https://appshunter.io/ios/app/helioseek-sun-ar-and-map/id1276018598) - [light&depth: Sun, DoF and FoV](https://appshunter.io/ios/app/light-and-depth-sun-dof-and-fov/id1569241326) All apps by Lukas Schmidt: https://appshunter.io/developer/954502013 ## Related topics [depth of field estimator](https://appshunter.io/ios/topics/depth-of-field-estimator) · [depth of field utility](https://appshunter.io/ios/topics/depth-of-field-utility) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-09.*