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Author Topic: 85mm  (Read 17263 times)

steliosk

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85mm
« on: November 12, 2013, 06:06:27 PM »
Hello :)

Here are my worries:
The 85L is adorable but i'd have to sell my kidney to buy it :D

so i'm stuck between the EF 85 1.8 and the Sigma 85 1.4

I have a 5D3

i've tested the 1.8, i had absolutely no problem in focusing at 1.8. The sharpness was ok and with a little help in post processing i'm quite satisfied!

The one thing i can't tolerate is the purple/green fringes. The ones that are blended in the bokeh are unfixable :(

I'm talking about head portraits mostly.
The 100L macro which i own, is fringless on that matter.

I was wondering if the Sigma is any better? I need to shot wide open and i don't know which one performs better or should i just stay with 100L 2.8.

phewwwww decisions decisions...
5D3 + 6D + 600D
STM 40, EF 50 1.4, EF 85 1.8, 100L, 24-70L II, 70-200 2.8 IS II, Sigma 12-24 II, Samyang 8mm Fisheye, EF-S 10-22, EF-S 15-85 and my old and fair working 350D.

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85mm
« on: November 12, 2013, 06:06:27 PM »

glongstaff

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Re: 85mm
« Reply #1 on: November 12, 2013, 06:17:49 PM »
to be honest I am happy with the EF 85mm f/1.8....I haven't noticed the fringing you state...admittedly not done the studio style portraits but have taken in very trying conditions..heres just a couple of shots taken with the lens at two venues (same band)





« Last Edit: November 12, 2013, 06:20:40 PM by glongstaff »
5D MKIII, EF 24-105mm F/4 IS L USM, EF 85mm F/1.8, EF 55-200mm 4.5-5.6 USM,  Sigma DG 150-500 5-6.3 APO HSM, Speedlite 430EXII

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RunAndGun

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Re: 85mm
« Reply #2 on: November 12, 2013, 06:24:23 PM »
I have both the Canon 85mm f/1.8 and f/1.2.  The 1.8 is a great lens for the money.  If you're looking at the 1.2 to get rid of CA, you'll still have it.  But the 1.2 is a great lens period.

Rat

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Re: 85mm
« Reply #3 on: November 12, 2013, 06:41:30 PM »
I love contrast. I hate the 1.8 fringing. Apparently, the 100mm (non-L) is just as bad. Would have gone Sigma but have AF concerns (and sane financial priorities).
Fed up with brandism.

steliosk

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Re: 85mm
« Reply #4 on: November 12, 2013, 07:04:39 PM »
well here are some samples at 100% with the Canon 85 1.8
see the frings?

i'm wondering if the Sigma 1.4 is any better
5D3 + 6D + 600D
STM 40, EF 50 1.4, EF 85 1.8, 100L, 24-70L II, 70-200 2.8 IS II, Sigma 12-24 II, Samyang 8mm Fisheye, EF-S 10-22, EF-S 15-85 and my old and fair working 350D.

Harv

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Re: 85mm
« Reply #5 on: November 12, 2013, 07:28:10 PM »
This may answer your questions regarding the Sigma.....

http://www.photozone.de/canon_eos_ff/602-sigma85f14eosff?start=1
Looking at life through a 1D4 and a 5D3 plus lots of red rings.

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drmikeinpdx

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Re: 85mm
« Reply #6 on: November 12, 2013, 07:52:56 PM »
Steliosk:  Your photos do a great job of pointing out the purple fringe in front of the subject.  My testing also found green fringing behind the subject.

I found that both went away when I stopped down to about F/2.2 and the bokeh was still enough for my needs.  I never notice it in general use.  Check out my website if you like. Many of the photos were created with the 85 1.8, I love that lens and use it more than any other.

I'm afraid that if you shoot wide open, all the available 85mm lenses are going to have some color fringing somewhere.  Even if one of them is slightly superior according to technical reviews, the copy-to-copy variation and autofocus problems can still be frustrating.

Wish I had a better answer for you!
Current bodies:  5D4, 5D3, 77D, T5i, S100, S90
Lenses: 24-70 L2, 135 f/2.0 L, Tamron 85 f/1.8, 200 f/2.8 L, 50 f/1.2L, 24-105 L, 70-200 f/4 L, 35 f/2 IS, 24&40 pancakes, EF-S 18-135, EF-S 15-85
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Re: 85mm
« Reply #6 on: November 12, 2013, 07:52:56 PM »

drmikeinpdx

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Re: 85mm
« Reply #7 on: November 12, 2013, 08:36:23 PM »
OK, on second thought I do have a suggestion... the examples you posted appear to be close-ups, so I'm wondering if maybe you should consider the 100mm macro?
Current bodies:  5D4, 5D3, 77D, T5i, S100, S90
Lenses: 24-70 L2, 135 f/2.0 L, Tamron 85 f/1.8, 200 f/2.8 L, 50 f/1.2L, 24-105 L, 70-200 f/4 L, 35 f/2 IS, 24&40 pancakes, EF-S 18-135, EF-S 15-85
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wickidwombat

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Re: 85mm
« Reply #8 on: November 13, 2013, 01:41:02 AM »
at f1.4 the sigma has much less fringing but its still has some (not nearly as bad as the examples you show), by f2 its completely gone though and its razor sharp
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verysimplejason

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Re: 85mm
« Reply #9 on: November 13, 2013, 02:04:22 AM »
You just have to stop it down to get rid of the fringing.  That's why I love my 100mm F2.8 USM Macro.  I didn't notice any fringing @ 2.8, though I don't know why DXO listed it as having a higher LCA than the 85mm...

dirtcastle

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Re: 85mm
« Reply #10 on: November 13, 2013, 02:44:11 AM »
I think this is one of the reasons why the 135mm f/2L is so popular and revered (even though it is significantly longer than the 85 f/1.8. Much of Canon's fast glass will have CA wide open (including the 85L). The 100mm f/2.8L is a damn fine lens, but I don't see it as a substitute for an 85 f/1.2 because, well, f/1.2 is a lot bigger hole than an f/2.8 ). That said, I feel like the 85mm f/1.8 can get the job done most of the time. Just work around the limitations and avoid super high contrast and blowouts. You can also try slight underexposure and using Lightroom to lift shadows and highlights.
« Last Edit: November 15, 2013, 03:29:26 PM by dirtcastle »

Marsu42

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Re: 85mm
« Reply #11 on: November 13, 2013, 03:49:15 AM »
I'm talking about head portraits mostly. The 100L macro which i own, is fringless on that matter.

Um, this is a bit off topic (sorry), but I was wondering about getting the very reasonably priced 85/1.8 in combination to my 100L...

... but I somehow doubt this is really necessary, the aperture difference isn't that large and the 100L has IS. For which occasions do you find the 100L too long, or are you set upon getting an even shallower dof than f2.8?

wayno

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Re: 85mm
« Reply #12 on: November 13, 2013, 04:13:27 AM »
I had the Canon 85 1.8 and it's a very good lens but I prefer the Sigma. My copy is tack sharp and focusses just fine. Beautiful detail even wide open. For the relatively minor extra price, I think it's worth it. And both it and the 1.8 are a fair bit faster at AF than the 85L and as such, more useful for some applications.

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Re: 85mm
« Reply #12 on: November 13, 2013, 04:13:27 AM »

Niki

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Re: 85mm
« Reply #13 on: November 13, 2013, 05:05:19 AM »
with the 5d mark iii shouldn't have so much fringing

Sporgon

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Re: 85mm
« Reply #14 on: November 13, 2013, 05:10:31 AM »
I'm talking about head portraits mostly. The 100L macro which i own, is fringless on that matter.

Um, this is a bit off topic (sorry), but I was wondering about getting the very reasonably priced 85/1.8 in combination to my 100L...

... but I somehow doubt this is really necessary, the aperture difference isn't that large and the 100L has IS. For which occasions do you find the 100L too long, or are you set upon getting an even shallower dof than f2.8?

Personally I think the 85 is too short for tightly cropped head portraits it you want to flatter your model with FF. Even 100 for that matter. This is where the 135 focal length is at its best. But I don't shoot like that so sold my 135L but kept the 85 1.8. It's very good value and flexible, producing a pleasing bokeh that's on a par with the 135L IMO.

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Re: 85mm
« Reply #14 on: November 13, 2013, 05:10:31 AM »