You do not need to fine-tune every setting before taking a photo. In my own shooting, I usually focus on three things first: focus, exposure, and composition. These are the decisions that have the biggest impact on whether the photo feels clear, balanced, and strong before any post-processing begins — and on how much room I will have to refine it later in editing.

Make Sure Your Subject Is in Focus First
Intentional blur and soft focus can sometimes be beautiful creative choices. But in most everyday photography situations, if your main subject is not in focus, the photo usually does not work. Exposure, color, and composition can often be improved later through editing or cropping. Focus is much harder to fix afterward.
The reason is simple: focus tells the viewer what should feel visually important. Before you press the shutter, ask yourself what the photo is really about, then make sure that part of the frame is clear. On a camera, that may mean choosing the right autofocus point. On a phone, it can be as simple as tapping your subject on the screen.
In this blossom photo, the flowers are the main subject, so they need to feel sharp and visually present. Once the subject is clear, you can go one step further by thinking about depth of field. A wider aperture can soften distracting background details, while a smaller aperture can keep more of the scene clear when the surrounding context matters.
Get the Exposure Close Enough in Camera
Even if you plan to edit your photos later, exposure still matters a lot. Editing gives you room to adjust — but it is not magic. If important highlights are completely blown out, or dark areas are crushed with no detail left, editing cannot fully rebuild what was never recorded in the first place.
That is why I always try to get the exposure reasonably right when shooting. On a camera, that usually means balancing shutter speed, aperture, and ISO. On a phone, it often means simply paying attention to the exposure slider and making sure the image is not obviously too bright or too dark before you take it. It does not have to be mathematically perfect. It just needs to protect the important parts of the frame.
The Tokyo Tower photo is a good example. The tower itself was very bright and warm, while the city around it was much darker and cooler. When shooting, I made sure the bright tower still kept detail and the darker surroundings were not lost completely. Later in editing, I could push the contrast further and strengthen the warm-versus-cool color contrast, which helped the tower stand out more clearly as the subject.


Decide the Subject First, Then Build the Composition Around It
Composition can sound intimidating because there are so many named techniques—rule of thirds, centered composition, framing, and more. But for beginners, I think the most useful starting point is much simpler: before taking the photo, decide what the image is really about.
Once the subject is clear, composition becomes easier. You can use the grid in your camera or phone as a guide and arrange the frame in a way that supports that subject. The point is to make sure the viewer knows where to look, and that the rest of the frame helps rather than distracts.
In my Mutianyu Great Wall photo, I already knew what I wanted before shooting: I wanted the archway to work as a natural frame, and I wanted the curve of the wall to pull the eye deeper into the image. So when I took the shot, I made sure those two elements were both clearly included and roughly balanced in the frame. Later, I only needed a small amount of cropping and alignment adjustment to refine the center and make the composition feel cleaner.
And that is also why I think these three things matter most at the moment you shoot: focus keeps the subject clear, exposure protects your details, and composition gives the image its structure. If the base image is already solid, post-processing becomes much easier. For the editing side of that workflow, you can continue with my post How to Edit Photos in Lightroom for Beginners: 3 Essential Steps That Make the Biggest Difference.

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