Visualize any lens's field of view on your camera in real-time. Select a focal length and camera body to see exactly what your shot will look like before you take it. Save comparisons and capture photos with metadata watermarks.
1.3.4
October 29, 2026
If a photo can't be saved because Photos access is turned off, Prospekt now tells you and offers a shortcut to Settings.
That's exactly why I built it:) I got tired of guessing between 35 and 50 while standing in a store. Glad it's doing the job for your full frame kit. If something's missing, tell me
Lens Simulator: Prospekt is a mobile application that allows users to simulate the field of view for any focal length on a chosen camera body, directly through their iPhone's camera. It provides a live, mathematically accurate preview of what a specific lens will capture.
The field of view simulation in Lens Simulator: Prospekt is 100% mathematically accurate. The app utilizes your iPhone's built-in cameras to provide the best image quality for each simulated focal length.
Lens Simulator: Prospekt supports over 50 camera bodies from brands like Canon, Sony, Nikon, Fujifilm, Panasonic, OM System, Leica, Hasselblad, Pentax, and Sigma. It also supports major sensor formats including Full Frame, APS-C, Micro Four Thirds, and Medium Format.
Yes, Lens Simulator: Prospekt is designed to work offline, meaning no internet connection is required to use its live viewfinder and simulation features. This makes it convenient for location scouting or shooting in areas with limited connectivity.
No, Lens Simulator: Prospekt is ad-free. The application was purchased for $3.99 and does not contain any advertisements, ensuring an uninterrupted user experience.
Lens Simulator: Prospekt is a paid application, available for a one-time purchase of $3.99. There are no subscriptions or in-app purchases required to access its full functionality.
For new photographers, Lens Simulator: Prospekt offers a practical way to learn what different focal lengths actually look like in terms of field of view. By seeing the live simulation, users can gain a better understanding of how focal length affects composition without needing to own multiple physical lenses.
Lens Simulator: Prospekt has an age rating of 4+. This indicates it is suitable for users of all ages and does not contain any mature content.
