Light loss with Kipon Fuji EF-GFX AF adapter?

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afrat Regular Member • Posts: 136
Light loss with Kipon Fuji EF-GFX AF adapter?

I was in the studio testing the GF 120mm against my Canon 100mm Macro (non-L version) and kept all of my settings and strobe power the exact same between lenses. After putting on the Canon lens with the adapter, I noticed my image was much darker, I had to bump the exposure +2.0 in Lightroom to get them to match. I have never done a direct comparison with the adapted lens like this before and I am wondering if I just never noticed it before. Has anyone else experienced this?

 afrat's gear list:afrat's gear list
Canon EOS M3 Fujifilm GFX 50R Fujifilm GFX 100S Canon EF 100mm f/2.8 Macro USM Canon EF 50mm f/2.5 Macro +6 more
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