The camera is software now

Look at the sky in the photo above. Deep orange clouds, detail in the bright parts, and the water still visible underneath. I took it on a phone. A few years ago, a shot like that would have needed a proper camera, a tripod and some patience. Or it would have come out as a bright white sky over a black silhouette.

I own a DSLR. I learned photography on one. And I'll be honest: these days, my phone wins more often than I'd like to admit. Not because its lens or sensor is better. It isn't. It wins because of software.

What's actually happening when you press the button

When you take a photo on a modern phone, it usually isn't taking one photo. It's often capturing several frames, some of them before you even press the shutter, at different exposures. Then the processor lines them up and merges them, taking the shadow detail from one frame, the highlight detail from another, and reducing noise by combining them all.

This is called computational photography. Google made it famous on its Pixel phones with HDR+ and later Night Sight, which could produce surprisingly bright, clean photos in near darkness. Apple has Smart HDR, Deep Fusion and Night mode. Samsung has its own versions. The names differ, but the idea is the same: use computing power to make up for a tiny lens and a small sensor.

The lens collects the light. The software decides what the photo looks like.

The things software can do that glass can't

Portrait mode is a good example. A big camera gets that soft, blurry background from physics: a large sensor and a wide aperture. A phone fakes it. It works out how far away everything is and blurs the background artificially. Early versions looked obviously fake, with blurry hair edges and ears. Now it's often good enough that most people can't tell.

Night mode is even more impressive. Holding a phone still for a few seconds while it captures and stacks frames gives you a photo of a street at night that genuinely looks better than what your eyes saw.

Where it gets uncomfortable

Here's the part that makes me think. In 2023, a Reddit user tested Samsung's famous "Space Zoom" moon photos. He photographed a deliberately blurred image of the Moon on a screen, and the phone added crisp detail that simply wasn't there. Samsung explained that it used AI to enhance the Moon. Many people asked a fair question: is that still a photo, or is it a picture of what the phone thinks the Moon should look like?

Now phones can remove people from the background, swap faces between frames so everyone is smiling, or generate parts of an image that were never captured. All useful. All a little strange.

So what is a "good camera" now?

I think it's becoming two different things. If you want a quick, great-looking photo of a moment, a phone is now the best camera for most people, most of the time. If you want control, a real optical zoom, shallow depth of field from physics, or a photo that is exactly what was in front of you, a dedicated camera still matters.

I use both. The phone for life, the camera when I want to slow down. And I've learned to see the software as another tool, like a lens or a filter. Just one that makes a lot of decisions for you, quickly and quietly.

My take: the best camera is still the one you have with you. It just happens to be a computer now.

— Desly