The Canon PowerShot G1 X is a great compact camera with a great range in terms of usability. For example, the sensitive senso of this camera is also a pleasure for taking macro shots. But these kinds of shots often benefit from extra exposure. Canon did release the MR-14EX or MT-24 macro flash for this purpose, but because the G1 X is a compact camera with a built-in zoom lens, there is no way to attach these flash units to the compact camera as standard. And that's where the JJC MLA-JDC1 Macro Light Adapter comes in handy.
The MLA-JDC1 Macro Light Adapter is in fact nothing more than a tube that can be fitted around the housing of the zoom lens. You can then attach the macro flash to this tube. A disadvantage of the MLA-JDC1 could be that when attached you might get vignetting in wide-angle mode, but when taking macro shots you are using zoom so this really shouldn't be significant.