Budget alternatives to a dedicated macro lens

Two common budget alternatives are extension tubes and close-up filters (also called close-up adapters or diopter filters).

Extension tubes fit between the camera and lens, moving the lens farther from the sensor so it focuses closer. They’re inexpensive and can often be stacked for more magnification. Autofocus and aperture control depend on the tube set: tubes with electronic contacts may preserve them, while basic tubes may not. Downsides include light loss, limited magnification gain with some lenses—especially telephotos—and possible loss of lens control if contacts aren’t present.

Close-up filters screw onto the front of a lens like a filter. They’re simple, cheap, and keep normal camera/lens communication, so AF and aperture control generally still work. Their main drawback is image quality: added glass can introduce softness, distortion, and chromatic aberration. They’re also tied to a specific filter thread size unless you use step rings.

Neither method is especially risky if used carefully. With close-up filters, the main physical risk is cross-threading the filter. Overall, extension tubes tend to offer better optical quality, while close-up filters are the quickest and easiest to use.