What other brand can the "Metz 48 AF-1 Shoe Mount Flash for Olympus" be used by?

State-of-the-art, the 48 AF-1 allows photographers to stay current and effortlessly make firmware updates via the internet and the flash s unique USB connection. The flash features a powerful guide number of 158 and for added versatility, is powered by four, readily available AA batteries. Sources: amazon.

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