I decided to test the Metabones Ultra .71x ef to mft that cost $659 against the Viltrox ef-mf that is a measly $130! Can you tell which is which???? Then I threw the amazing SLR Magic 25mm .95 and Voigtlander 17.5mm into the mix to see how the Sigma stacks up against them. The 25mm mft is 35mm on the Sigma and the 17.5mm mft is 25mm on the Sigma.
- 4k dci
I will post which samples are which in a few days.
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