Definition
What is a macro lens?
A macro lens is an optical lens that can focus close enough to capture very small subjects at high magnification, often reaching life-size 1:1 reproduction on the sensor.
Macro work reveals texture and detail that ordinary lenses cannot focus on at the same distance: an eye, insect, circuit board, product surface, or tool. At these distances, depth of field becomes extremely shallow, so precise focus and controlled movement are essential.
A macro lens is also a normal usable focal length at greater distances, depending on its design. The term does not simply mean any close-up shot; it describes a lens capability. Extension tubes and close-up filters can provide related results but have different trade-offs.
Example in the edit
A product film cuts to a macro shot of water beading on a watch face, with focus moving slowly from the logo to the edge of the glass.
Why editors use it
Macro coverage can turn functional details into compelling visual information, but it requires careful focus, lighting, and stabilization planning.
Quick answers
Frequently asked questions about Macro lens
Is every close-up a macro shot?
No. A close-up describes framing, while macro refers to close-focusing, high-magnification optics and reproduction.
Why is macro focus difficult?
At high magnification, the plane that appears sharp is very thin, so a tiny camera or subject movement can shift focus.
Can a macro lens be used for portraits?
Yes. Many macro lenses have focal lengths that work well for portraits, although their very sharp rendering may not suit every style.