Photographer Builds Hybrid Viewfinder with Digital Overlay for Smartphones

Since advances in video camera systems and their digital monitors, cameras and optical monitors have become rarer, and hybrid monitors are harder to find. That’s why Getschmann decided to dip into his physics and engineering background to build one from scratch for his smartphone camera.

In this twenty-seven minute video first seen by HackadayProducer and YouTuber Christopher Getschmann presents its approach to creating a true hybrid monitor for camcorders and smartphones, thanks to the Hybrid system found in the Fujifilm X100. Throughout the video, Getschmann talks a lot about the physics and science behind the whole process, and why he felt he had to go “old school” to build this project.

Getschmann says in the video, “I wanted to know how to make one for a project and it was very difficult to find information. Here I share what I learned and explaining (in retrospect) how you can get to the new hybrid browser.” He poses the question, “Why use a monitor if you have a live music show and poster?” And his answer goes deeper than just nostalgia.

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The design used by Getschmann uses a good combination of lenses and “beamsplitters” placed in a 3D-printed platform and simply pressed so as not to use something very aesthetic and the need of welding and welding. Getschmann says he tries to avoid these glues because even a small amount of superglue creates enough fumes to darken any glass surface in the area.

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When assembled, the whole thing slides on one side of the smartphone and combines an optical view of the display similar to the view of the camera with a small digital overlay from the phone’s screen that contains some guidelines and the gyroscope/tilt indicator proposed by Getschmann. he himself. In the video, he says that adding more details will make the project easier and more effective, but he wanted to fix some other optical issues first.

A lottery of science and some excellent guides are included in this comprehensive video for those who want to learn more about the monitors and the science behind the imaging devices in these systems, but also for those who want to until the DIY construction part of the video, you can skip ahead to the 23-minute mark to see the final construction.

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Despite creating a fun and functional product, Getschmann says there are still a few kinks to iron out in the design with the biggest being excessive flickering and chromatic aberration on the digital overlay. he says it’s because of the lack of other lenses. in between to eliminate these errors. Maybe at some point in the future there will be an opportunity for these lenses to fix this. Despite the minor flaws, the deep dive into the visuals is very interesting and worth a watch.

Check out more of Geschmann’s videos on his YouTube channel here.


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