As part of their last series of articles, DPReview did a tour of Sigma's factory: https://dpreview.com/articles/5410838737/go-inside-sigma-s-factory-to-see-how-lenses-are-made
Anyway, you'll notice that there is an image of their lens testing room. There is an R5 on the table, next to a Sony camera — and then apparently Tamron (?) and Sony (??) E-mount lenses.
Now, we know Sigma still actively markets their EF glass for use on the RF bodies, so this doesn't necessarily mean anything. And there's no RF glass shown anywhere in the photo, it would seem. But could the R5's presence be a sign of Sigma testing new RF glass in development?
Anyway, you'll notice that there is an image of their lens testing room. There is an R5 on the table, next to a Sony camera — and then apparently Tamron (?) and Sony (??) E-mount lenses.
Now, we know Sigma still actively markets their EF glass for use on the RF bodies, so this doesn't necessarily mean anything. And there's no RF glass shown anywhere in the photo, it would seem. But could the R5's presence be a sign of Sigma testing new RF glass in development?
