Canon 52mm Type 250D Filter
A close-up lens is the simplest and least expensive way to shoot close-ups with an EOS camera. It screws to the filter mount at the front of the camera lens and acts in much the same way as a magnifying glass.
This close-up filter (+4 dioptre) is the strongest made by Canon, giving magnifications up to half life-size (depending on the camera lens used). There is no change to the camera functions – though autofocusing may not work at very close distances. Exposure metering operates as normal.