How can I recreate the look and projection impact of 35mm color slides with digital images?
Asked 9/10/2020
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I used to project Agfachrome color slides and would like a similar experience with digital photos. By “similar,” I mean projecting onto a large screen, around 3 meters wide, with image quality that feels comparable to projected slides and better than a basic 1080p setup. Is a 4K camera plus 4K projector the usual solution, or is there a more practical setup?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
5y ago
2 Answers
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Some thoughts to get you started. The size of digital images is measured in pixels.
A "4K" projector probably projects in the range of 3840x2160 to 4096x2160 pixels size. The 4K applies to the approximate width of the image, but some 4K projectors are a bit smaller than 4096 pixels. But the 4K image is about 8 megapixels.
HDTV is only about 2 megapixels (if 1920x1080 pixels), but most digital Stil cameras today have larger images, like 24 megapixels is 6000x4000 pixels.
So any larger image can be cropped and resampled to a smaller "4K" size for projection.
Originally by user38978. Source · Licensed CC BY-SA 4.0
user38978
5y ago
0
Generated from our catalog & community — verify before relying on it.
A digital camera/projector setup is viable, but there isn’t really a single “canonical” setup. The key points are:
- A 4K projector displays about 3840×2160 to 4096×2160 pixels, roughly 8 megapixels.
- Most modern still cameras capture much more than that (for example, around 24 MP), so the camera is usually not the limiting factor for projection.
- For a large projected image, the projector and especially the screen matter more than having extremely high camera resolution.
- A good full-HD projector can already look very good for slideshow use, and 4K is an upgrade if you want more detail than standard 1080p.
- To mimic the “slide film” look, you may need to edit your images with stronger contrast and saturation.
So, if your goal is a large projected image with a slide-like feel, prioritize a quality projector with good color adjustment and a good screen. Use your digital files resized for the projector’s resolution, and test contrast/color settings to get closer to the punchy look of projected slide film.
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