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iPhones get Leica I simulation thanks to Leica LUX 1.4 update

The Leica LUX app now offers a simulation of the 100-year-old Leica I. (Image source: Leica)
The Leica LUX app now offers a simulation of the 100-year-old Leica I. (Image source: Leica)
Launched in 1925, the Leica I celebrates its 100th anniversary this year. The world’s first mass-produced 35 mm camera has now made its way onto the Apple iPhone. With the update to version 1.4, the Leica LUX app receives a filter that simulates the look of the camera paired with a 50 mm f/3.5 Leica Elmar lens.

To commemorate the 100th anniversary of the Leica I, Leica has already released a limited-edition Leica M11 and various gadgets. The company has now updated its LUX iPhone app with a filter designed to replicate the look of a Leica I paired with a Leica Elmar 50 mm f/3.5.

This new simulation is available starting with version 1.4 of the Leica LUX app, which can be downloaded for free from the App Store. However, a paid subscription is required to gain access to all features. The subscription costs $6.99 per month or $69.99 per year. Leica LUX is an iOS exclusive, leaving out Android users.


Leica has revealed only a few details regarding the app’s latest film simulation, including the fact that photos are captured in black and white, as colour film wasn’t common back in the 1920s. The virtual aperture can be adjusted from f/3.5 to f/5.6 to let users simulate their desired bokeh. The filter also tries to replicate the coarse film grain and gentle contrast typical of photography during that period.

The simulated Leica Elmar 50 mm f/3.5 delivers relatively high performance in the middle of an image but only reproduces sparse details on the edges. Due to the lens’ collapsible design, the Leica I combined with the Elmar lens was compact enough to carry in a large trouser or coat pocket.

This extract from the Leica Pocket Book (9th Edition) shows the performance characteristics of the Leica Elmar 3.5/50. (Image source: Notebookcheck)
This extract from the Leica Pocket Book (9th Edition) shows the performance characteristics of the Leica Elmar 3.5/50. (Image source: Notebookcheck)

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 01 > iPhones get Leica I simulation thanks to Leica LUX 1.4 update
Hannes Brecher, 2025-01-28 (Update: 2025-01-28)