If this is about the 40-150/2.8, mine performs exactly like the Lenstip evaluation. It’s best at 150mm, like the 12-40mm is best at 12mm.Thanks to everyone for the insights and support so far.
My OM-1 Mark II arrived today along with the 12–40mm f/2.8 PRO, both from B&H — and what a beauty this camera is! As always, B&H delivered with excellent service.
I’m still leaning toward the 40–150mm f/2.8 PRO as my telephoto option — the combination of speed and flexibility is compelling. Especially, for indoors use...
That said, I’m now trying to do a bit more research and I’d really appreciate suggestions for credible, thoughtful M43 sources (sites, blogs, YouTube channels, etc.) that provide solid evaluations of lenses (and cameras). There seems to be a lot of superficial or clickbait content out there. I'm looking for the good stuff. I remember years ago watching the late David Thorpe, who was absolutely marvelous.
Any recommendations?
Gordon Laing is pretty good at reviewing kit.
If it’s about other lenses, then ask here.



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Infinite are the arguments of mages. Truth is a jewel with many facets. Ursula K LeGuin
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