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Archive 2012 · How sharp is a nikon 85/1.4g wide open ?
  
 
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p.1 #1 · How sharp is a nikon 85/1.4g wide open ?


I just purchased a 85m/1.4g and did a few test shots with it. I was wondering what to expect sharpness wise at f/1.4. I am within the return window so if there's an issue have the opportunity of exchanging or returning the lens.

Here's a shot I took last evening with a D800e


Focus was on right eye. I did apply a bit of sharpening but not completely happy with the sharpness of the lens wide open. Do any of you have wide open shots on the 85g at 1.4 you can post so I can compare. thanks !



May 11, 2012 at 02:16 PM
Bruce Sawle
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p.1 #2 · How sharp is a nikon 85/1.4g wide open ?


Looks ok but a 100% crop would be better. When I owned the 1.4g I was not that impressed with the sharpness at 1.4 better by f2 great by f2.8. The d800 will magnify this.


May 11, 2012 at 02:19 PM
Dave_EP
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p.1 #3 · How sharp is a nikon 85/1.4g wide open ?


before even thinking about returning it you should at least play with the micro focus adjustments to see if you can make it 'sharper', and do a front/back focus test with a ruler


May 11, 2012 at 02:20 PM
Uzay
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p.1 #4 · How sharp is a nikon 85/1.4g wide open ?


so, you're not happy with the wide open shot above? are you serious?


May 11, 2012 at 02:20 PM
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p.1 #5 · How sharp is a nikon 85/1.4g wide open ?


thanks Bruce, will post a 100% crop of the eyes. Yes better sharper stopped down but I plan on shooting this wide open.


May 11, 2012 at 02:31 PM
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p.1 #6 · How sharp is a nikon 85/1.4g wide open ?


Uzay, yes serious question Perhaps I'm expecting too much at f/1.4 but I was expecting the eye lashes to be sharper.

Dave, i'll do the ruler test today but I'd rather not futz with micro-focus adjustment.



May 11, 2012 at 02:40 PM
Mark_L
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p.1 #7 · How sharp is a nikon 85/1.4g wide open ?


It should be reasonably good:




May 11, 2012 at 02:44 PM
ct8282
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p.1 #8 · How sharp is a nikon 85/1.4g wide open ?


The photo is great, well done. As for sharpness at f1.4, I wouldn't say mine is tack sharp at 1.4 either. However, the ability to render such shallow DOF has the add on effect of making the in focus areas look sharper.

My question to you, would you not be happy presenting this image to a client? I sure as hell would!

I also agree with the focus micro adjust. When working at such shallow DOF it might be that the focus plane is not quite where you think it should be, i.e on the eyes completely. Looking at your shot the lips look very sharp and the eyes are usually just behind the plane of the lips so it could mean that you just need to tweak the focus on your cam.

On my D4 I would say I am getting comparable results with my 85 f1.4 but it's hard to tell for sure without a 100% crop. Plus, I would expect the D800e to be sharper of course.

Post up a 100% crop if you can.



May 11, 2012 at 02:55 PM
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p.1 #9 · How sharp is a nikon 85/1.4g wide open ?


thanks. I agree with you about the lips being sharper. So perhaps its front focusing a bit. Going to do a ruler test today but here's a 100% crop of the eyes.




May 11, 2012 at 03:23 PM
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p.1 #10 · How sharp is a nikon 85/1.4g wide open ?


although the focus is on right eye, the left seems to be in better focus.


May 11, 2012 at 03:25 PM
 

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ct8282
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p.1 #11 · How sharp is a nikon 85/1.4g wide open ?


I would agree. The left eye (as in our right, his left) seems a little sharper.

I would say you should defo do the focus micro adjust as I'm sure this will just snap her into line a bit more.

100% crop of the lips please....?



May 11, 2012 at 03:32 PM
Mark_L
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p.1 #12 · How sharp is a nikon 85/1.4g wide open ?


Definitely test the lens af, results should be much sharper than this.


May 11, 2012 at 03:34 PM
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p.1 #13 · How sharp is a nikon 85/1.4g wide open ?


100% crop of lips




May 11, 2012 at 03:36 PM
Dave_EP
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p.1 #14 · How sharp is a nikon 85/1.4g wide open ?


Picture This! wrote:
Uzay, yes serious question Perhaps I'm expecting too much at f/1.4 but I was expecting the eye lashes to be sharper.

Dave, i'll do the ruler test today but I'd rather not futz with micro-focus adjustment.


But it's trivial to do and for primes it's a pretty solid solution. Try it.



May 11, 2012 at 04:49 PM
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p.1 #15 · How sharp is a nikon 85/1.4g wide open ?


Dialed in a +2 micro adjust and its already looking much better.

So given that this costs a bit, wondering if I should just live with the micro focus adjust or send it back and try a new one (risk is that new one may not be perfect at 0 micro adjust). What would you guys do in my situation given that I'm in the return window ?



May 11, 2012 at 05:18 PM
SHUM
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p.1 #16 · How sharp is a nikon 85/1.4g wide open ?


My first copy of the 85G needed -15, i returned it and my second copy didn't need any micro adjust. But my other lenses needed some. 24-70 +4, 105VR needed -10. Anything over +-10 I returned.


May 11, 2012 at 05:28 PM
Mark_L
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p.1 #17 · How sharp is a nikon 85/1.4g wide open ?


Picture This! wrote:
Dialed in a +2 micro adjust and its already looking much better.

So given that this costs a bit, wondering if I should just live with the micro focus adjust or send it back and try a new one (risk is that new one may not be perfect at 0 micro adjust). What would you guys do in my situation given that I'm in the return window ?


Just because it needs MA doesn't mean it's the lens, the body has tolerances on it too. Amazing the criticality on the D800, a +2 MA change on my D700 is very hard to see.



May 11, 2012 at 05:50 PM
MagicNikon
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p.1 #18 · How sharp is a nikon 85/1.4g wide open ?


This is typical of this lens.


May 11, 2012 at 05:55 PM
myam203
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p.1 #19 · How sharp is a nikon 85/1.4g wide open ?


Hmm..what's the shutter speed on this shot? Looks like motion blur to me.


May 11, 2012 at 06:38 PM
lou f
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p.1 #20 · How sharp is a nikon 85/1.4g wide open ?


Lens is fine if anything it looks like a little motion blur more so than the lens.


May 11, 2012 at 06:44 PM
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