Canon’s “absolute flagship” EOS R1 has been announced ... but none of this actually matters a lot when you start using the M.Zuiko Digital ED 150-600mm f/5.0-6.3 IS. For starters, you’ve got an ...

It is widely understood that the lens is made by Sigma, modeled after the full-frame Sigma 150-600mm F5-6.3 DG DN OS | Sports for Sony ... backed by an excellent optical performance… and you’ve seen ...

Much has been made elsewhere about the OM System model’s similarity with the Sigma 150-600mm f/5-6.3 DG DN OS Sports, made for Sony FE and L-mount full-frame mirrorless cameras. The OM System ...