Otus vs SL Primes

[Jipster]

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On 9/30/2020 at 6:23 PM, isleofgough said:

BTW, I was not aware that fast glass has a different depth of field compared with slower lenses if one uses the same f stop. I did know that the quality of the out of focus areas can be different. I don't know about the 50mm SL Summilux (I didn't want to carry the weight) but the very narrow depth of field of the Otus at f1.4 meant that I threw out the majority of my photos at that aperture. Realistically, at f1.4, not only was one eye in focus but the other not - but sometimes the iris was in focus but the eyelashes were not. Even with EVF or live view on a SLR with high magnification, it was really hard to nail the focus. Since the human eye has the equivalent of f2-f8 range (depending on ambient light), images at f1.4 can look a little fake to me.

What do you mean that the human eye has the equivalent of f2-f8 range? My reading of the human visual system does not allow me to make sense of what you are saying. Can you clarify?

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[Geoff C. Bassett]

This hasn't been mentioned in this thread but the fact that the SL lenses are neck and neck with the Otis, are lighter, with AF, should say all you need to know about which to buy.

[FlashGordonPhotography]

9 hours ago, Jipster said:

What do you mean that the human eye has the equivalent of f2-f8 range? My reading of the human visual system does not allow me to make sense of what you are saying. Can you clarify?

Don't panic. That's not the only thing wrong in that paragraph.  And it's a year old.

Gordon

[Ivar B]

On 4/19/2024 at 5:52 PM, Geoff C. Bassett said:

This hasn't been mentioned in this thread but the fact that the SL lenses are neck and neck with the Otis, are lighter, with AF, should say all you need to know about which to buy.

Agreed, but also 50 % more expensive. AF is why I sold the Otus 55mm and bought the APO-SL2/50.