It’s worth noting that it’s difficult to get absolutely zero processing on any smartphone camera. There’s always some amount of interpretation of raw data in order to display it. What we want to minimize here is how much your phone makes decisions about the “right” way your photos should look—decisions like how saturated colors should be, what parts of the image should be in or out of focus, and how your subject should be lit. Sometimes it’s better to let your phone make these decisions for you, but if you want more control, these are the options that are best for you.
This lets you adjust things like exposure, contrast, saturation, white balance, and other basic aspects of an image. There’s still some unavoidable image processing done to these photos, but ProRAW gives you a lot more flexibility to make changes than you normally would have.
Camera > Preserve Settings and enable ProRAW & Resolution control. With this enabled, the camera will be in ProRAW mode unless you specifically disable it each time.
Use ZeroCam, the anti-AI camera app
In my experience, images taken with ZeroCam in low-light settings had noticeably more noise, which is to be expected without a lot of post-processing. However, photos that were properly lit looked a bit more natural than with the stock camera app.
Unlike ZeroCam, Halide Mark II provides extensive manual controls over your camera. You can precisely adjust focus, ISO, shutter speed, and white balance before capturing the image. Some of these controls are available in the default camera app, but Halide adds other useful tools like focus peaking and live histograms.
Like ZeroCam, this app isn’t free, although you can get a seven-day free trial to see if it serves your needs. After that, monthly subscriptions start at $10, or you can get a year for $20. If you know for certain you love the app and will be using it for a long time, a lifetime license will set you back $60.
Try the Blackmagic Camera app for filterless video
If you only want still photos, one of the other options on this list is probably better for you, but this app is perfect for videographers. It offers pro-level camera controls like ISO, shutter speed, and white balance, as well as features like an RGB histogram to see which parts of your image are clipping, and image stabilization to reduce the camera shake from holding it in your hand.
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