@TTMartin wrote:
@ebiggs1 wrote:
Return it. It will never work for you.
And get the EF-S 10-18 IS STM.
Great lens, but falls short on the low light front.
I hate to say it, but Rokinon, and a few others, have Canon soundly beaten, hands down, on the wide angle, wide aperture lens market. One quirk of the Rokinon lenses is that they can show high CA outside of the DOF, but within the DOF they tend to be razor sharp. This behavior is quite the opposite of the focusing behavior of most lenses.
I like the idea that Canon does not make any manual focus lenses for EF mount. But, there is really nothing wrong with making high quality manual lenses for the EF mount, IMHO. But, I can see why Marketing would not want to do so. {Warning, I'm an Operations guy, so i am notorious for blaming Sales.]
Don't get me wrong. Canon does make high quality, manual focus lenses. Their EOS cinemat lenses are reputed to be the best in the business. NBC used them exclusivelhy at the Rio Olympics in 2016. Those images were very high resolution, and razor sharp with very little CA.
But, the Rokinon manual focus can be pretty good, assuming you can get your hands on a good copy, supposedly. Well, I have had no problems with the more costly versions of their manual focus lenses, the cinema verions of them.
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