The Sigma 85 f/1.4
You can preorder this lens from Amazon.


Thanks Jackola
cr
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The Sigma 85 f/1.4
You can preorder this lens from Amazon.
Thanks Jackola
cr
When you purchase through links on our site, we may earn an affiliate commission. Here's how it works. |
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Gotta play the Sigma shuffle to get a good copy, best to buy this new.
Is it just me or is that a low MTF rating compared to comparable Canon lenses? I like sigma lenses however you get either really good copies or bad
I can’t wait for a review on this one, My 85mm 1.8 needs to be replaced (starting to fungus) and I don’t have the will to buy an 85mm 1.2L (especially with it’s slow AF). If this AF’s somewhat well and is sharp I’m ready to play the sigma shuffle to get a good copy.
these guys do not use the same MTF measurements and frequences. comparisons are worthless unless done by the same method.
I keep reading about the many bad Sigma lenses about and how you have to try copy after copy to get a good one so I must have been very lucky to get great 20mm f1.8, 30mm f1.4, 50mm f1.4, 150mm f2.8, 12-24mm and even a reasonably 28-300mm.
The majority of Sigma lenses are good out of the box: what can be read on photography boards is not representative.
Ex: In an effort to get a good copy of the Sigma 30mm f/1.4, I tried 4 copies in the store, and all focused perfectly.
I’ve also read about many people playing the Canon shuffle with a number of Canon lenses.
I just hope they get the AF right this time. It’s such a shame on the 50/1.4 that the AF misbehaves on Canon, since it’s a beautiful lens optically.
Sigma 85mm f1.4 for $899. Canon 85mm f1.8 for less than $400. On the Sigma you get one full stop for double the price. How many people can tell the difference between bokeh of 1.4 and 1.8?
The Sigma released in 2010 and Canon 85 uses tech from 20 plus years ago. But who can tell from the photos?
If you really want a budget plus quality the Canon 1.8 is best buy. Shoot RAW and adjust in post. Save $400 for newer lenses like the rumored 135L or possibly a 30mm 1.8.
you forgot that if you stop down the sigma to 1.8, it will be much more sharp and vignetting free, then the canon one :)
But then why is it ok to pay $2000 for canon 85mm 1.2 – five times the price of canon 85mm 1.8 for “ONLY” 1.5 stop extra?
ah yes. Sorry bout that.
depends on your budget i guess. I shoot events and so far i havent gotten any complains from clients about lens use and which f stop. Bottom line is did you capture that special moment.
Still can’t understand why you’ve tried 4 copies when the first one was perfect…
The sales guy and I started talking, and we figured it was worth a little test.
At least it gives me a story to post in cases like this :O)
Because we all know that there’s 1-stop between 1.4 and 1.8 or between 1.2 and 1.4
That’s half a stop -_-
There’s a whole stop from 1.2 to 1.8, or from 1.0 to 1.4 to 2.0.
Learn your f-stops.
I don’t think i am alone when i say theres a big difference between 1.4 and 1.8 in terms of light and background. And as Gabe mentioned, having a larger max aperture allows you to stop down if necessary to increase sharpness, vignetting, CA, and perhaps most notably, cat-eye OOF highlights (a product of vignetting).
Plus, this lens has the potential to produce better OOF rendering depending on the design, and at the very least the highlights should remain circular better than the Canon when stopped down due to the 9 blade rounded iris.
Whether or not it delivers remains to be seen. I personally shoot the Nikon 1.4 on my Canons. It seems nicer to me than the 85L and cheeper. This sigma could take the cake though if its anything like its little brothers and has improved AF and what not.
But unless they have improved the residual spherical aberrations from the 50 it will be a manual focus lens for all intents and purposes beyond its AF sweet spot….
Let’s just wait for samples and let pictures do all the talking.
You’re going to have to eat some crow, Paul: f/1.4 to f/1.8 is two thirds of a stop, not one half. (Some rounding involved, of course.)
Anyway, the Canon 85mm f/1.8 has a bit too much purple fringing below f/2.2 (mine does, anyway), so I think we can probably grant the Sigma a full stop advantage.
Regarding the comment That mtf measurements are different company to company, it was my understanding that they were used for years standardized like how iso measurements are standardized. It would only make sense and be fair if they were
Does anyone know what the lines in any of the Canon mtf tests mean? It’s odd for them to post these tests without any explanation as to what the lines mean.
Yes, mig, it is just as odd as bakery selling bread without instructions how to eat it. Bad Canon!!
My Sigma 50 1.4 focuses as well as any of amy canonlenses. In short all focus correctly all the time. There are no AF issues with my sigma 50 1.4.
$900 for a sigma that probably will have focusing issues?
no thanks.
Yes jt, the mtf is and should be a standardized test that measures sharpness (contrast) and resolution. They also test from dead center to the corners. So the higher the y axis is to 1 across the x axis the sharper it is edge to edge.
Some lenses are sharp in the center but falls apart in the corners. This test will show that. It will also show how sharp it is compared to others
I’m sorry. . . somebody please educate me.
“The Sigma Shuffle?”
Or you could just, you know, take PICTURES with it.
I’ve used great lenses that had poor test charts.
And vice versa.
it’s trying numerous copies in the store looking for a good one, or ending up sending it back for repairs a few times to get it right.
Sigma and Tamoron quality controls and assurance are lacking compared with Canon. Some lenses are great, sharp throughout. while some are just fill of gremlins
the same like with Canon original lenses :(((
Why not look at the Samyang 85.
See the review here:
http://www.photozone.de/canon_eos_ff/483-samyang_85_14_5d
Ah, then you’re more lucky than me. My sigma has problems with AF on distant (>5m) objects :-(
IIRC, 1 stop difference is defined when the difference in the aperture area is 2 times (or 100% bigger in other words).
Here:
(1.8 * 1.8 – 1.4 * 1.4 ) / (1.4 * 1.4) = 65.3%
I’d say the difference is in between 1/2 and 3/4 stops.
I have sigma 50mm F1.4 for my Nikon cameras, the lens is awsome, I will buy 85mm F1.4 for Canon