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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 17 Nov 2014 (Monday) 06:30
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50mm for evening / night photography - Otus vs. Sigma Art

 
Nigi
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Nov 20, 2014 00:02 |  #16

Brian_R wrote in post #17278024 (external link)
image quality isnt always everything, if IQ was that important canon would have quit making or updated the 50 f1.2L and the 85f1.2L both of which test terrible in the IQ for lab tests but render the image unique compared to other glass out there. so yeah when you buy zeiss or even the zeiss otus your not only paying for that slight increase in IQ your paying for the zeiss name and the way their glass renders the images.

^^^ This.
And I would add that even AF on this lenses is known to be slow (85) and not the most consistent (50).




  
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jeetsukumaran
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Nov 20, 2014 00:03 |  #17

El Pedro wrote in post #17282763 (external link)
No need for the insults buddy. Easy to be a smart Alec with your keyboard in hand.

BTW, the great thing about an AF lens, it can MF too.

I was responding to the snark I read in "bugs and fruits" comment. If no snark was intended, then I apologize.


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EverydayGetaway
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Nov 20, 2014 01:25 |  #18

El Pedro wrote in post #17282763 (external link)
BTW, the great thing about an AF lens, it can MF too.

True, but often not nearly as well since AF lenses aren't usually optimized for manual focus.


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MalVeauX
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Nov 20, 2014 01:36 |  #19

Heya,

El Pedro wrote in post #17282763 (external link)
BTW, the great thing about an AF lens, it can MF too.

It's not great. It's more like "backup" and I've yet to encounter an AF lens that has GOOD manual focus precision (including L glass).

EverydayGetaway wrote in post #17282862 (external link)
True, but often not nearly as well since AF lenses aren't usually optimized for manual focus.

^^ This. Very much so.

My 30 year old manual lenses have much more precise and smooth manual focus with a long throw, compared to any of my nice autofocus lenses with full time manual focus as well. Bottom line is that a lens is either built for manual focus, or it's an autofocus lens with a fairly inaccurate and imprecise manual focus option.

The only AF lens I own that I use manual focus on regularly is a 600mm lens.

I straight up suck at MF with my AF lenses. They're not good for MF at all.

But I can nail sharp focus with a junk 30 year old manual focus lens no problem.
And my modern manual focus lenses are also easy for me to nail sharp focus, even at very wide apertures (F1.4).

To me, they're totally different lenses for two very different approaches to photography.

Very best,


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titi_67207
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Nov 20, 2014 02:23 |  #20

MalVeauX wrote in post #17282870 (external link)
Heya,

It's not great. It's more like "backup" and I've yet to encounter an AF lens that has GOOD manual focus precision (including L glass).

^^ This. Very much so.

My 30 year old manual lenses have much more precise and smooth manual focus with a long throw, compared to any of my nice autofocus lenses with full time manual focus as well. Bottom line is that a lens is either built for manual focus, or it's an autofocus lens with a fairly inaccurate and imprecise manual focus option.

The only AF lens I own that I use manual focus on regularly is a 600mm lens.

I straight up suck at MF with my AF lenses. They're not good for MF at all.

But I can nail sharp focus with a junk 30 year old manual focus lens no problem.
And my modern manual focus lenses are also easy for me to nail sharp focus, even at very wide apertures (F1.4).

To me, they're totally different lenses for two very different approaches to photography.

Very best,

++1!


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CV 15 4.5 III | TS-E 24L II | FE 28 2 | (50+85) 1.4 | 135 2 | 70-200 4.0L | a collection of old Zuikos + FD + Adaptall + AI-s + M42

  
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50mm for evening / night photography - Otus vs. Sigma Art
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
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