Macro photography is a battle with tiny details
The closer you get to your subject, the narrower your focus range becomes, which makes aperture choice and camera shake matter far more than they do in ordinary photography.
A tripod helps tame the shake
If you want to go deeper into stabilizing especially fine, close-up shots, it's worth learning good tripod technique generally, not just for macro work.
Frequently Asked Questions
Can I shoot macro photography on a smartphone?
Yes -- many recent phones include a dedicated macro camera or a macro mode, letting you magnify close subjects without needing a separate lens.
Is narrowing the aperture as much as possible always better?
No -- stopping down too far causes diffraction, which can actually soften the image, so somewhere around f/8-f/16 usually balances depth of field and sharpness best.