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Message: <blockquote data-quote="BF Hammer" data-source="post: 844567" data-attributes="member: 48483">The 50mm might be a bit too wide with a full frame sensor. I do remember reading that it would work with a 60mm macro on a DX sensor. That equals 90mm lens on full-frame. But I was researching to use with a D750 and a Tamron 90mm back then.Really the ES-2 is a plastic holder that attaches to the filter ring of a lens. It would have an extension on end to reach past the minimum focal distance, and the frosted white backing for light to shine through. There are several Chinese items that do that also, many with an add-on LED backlight. It's kind of a one-project item, so I say no loss trying to save a little money.</blockquote>