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XF 35mm f2 WR... Is this normal?


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#1 arforlight

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Posted 26 July 2016 - 09:53 AM

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Hello! I just bought this lens, it is new but I think there's something wrong with it

 

When I shoot close to the subject at MDF wide open f2... this lens does a halo glow duplicating the edges of white things on the closest "bokeh area" to the focused area. No filters or dirty lens. Anyone with similar experience in this lens or should I return it? Here some examples of this effect. Sorry for my english, and thank you in advance.

 

There is one example on this link => http://fujistas.com/...00-48-png.7124/

 

And this full resolution in flickr

27932959734_c791c9170c_z.jpg

 

 



#2 milandro

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Posted 26 July 2016 - 01:42 PM

You mean to say that the un-sharp white parts have an “ halo” around them?

 

Your picture doesn’t look “ strange” to me for a lens used at close distance other than it is also possibly slightly motion-blurred or in any case not particularly sharp.

 

You appear to have focussed on the F of the first line of the main text despite the 1/80 of the shutter speed it looks like you might have not held this very steadily , however, other than that I don’t see anything particularly strange or wrong.


the popular expression wishful thinking is an oxymoron!

 

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#3 arforlight

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Posted 26 July 2016 - 01:58 PM

You mean to say that the un-sharp white parts have an “ halo” around them?

 

Your picture doesn’t look “ strange” to me for a lens used at close distance other than it is also possibly slightly motion-blurred or in any case not particularly sharp.

 

You appear to have focussed on the F of the first line of the main text despite the 1/80 of the shutter speed it looks like you might have not held this very steadily , however, other than that I don’t see anything particularly strange or wrong.

 

Thanks milandro! What I mean is easily seen in the other picture at this link http://fujistas.com/...00-48-png.7124/

 

I don't know how to post it directly, but that one was shoot at f2, 1/250 and 200 ISO. The ghost - glowing edges are more noticeable here, specially in the two little stones with a few separattion between them at the center-top of the picture. I've seen this effect in very old lens, but never in a new one :S XF35mm f2 users in my country fuji forum don't think it's normal, but wanted to know more opinions.



#4 milandro

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Posted 26 July 2016 - 02:07 PM

that picture is positively stranger ( very unsharp  and a little overexposed too) there might be something wrong with this lens. Get rid of it.


Edited by milandro, 26 July 2016 - 02:10 PM.

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#5 jlmphotos

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Posted 26 July 2016 - 08:56 PM

I can't tell sh*t from either of these images....   Anything better you guys can post?  


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#6 arforlight

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Posted 26 July 2016 - 09:21 PM

Thank you Milandro! I've already order a return. Sorry jlmphotos! I can't get closer or magnify the picture to show the effect in a better size.

 

I'll do the same tests with the new 35mm to check if it gets better once it arrives. Also I'll update the post so it can help other users in the future.

 

Regards.



#7 arforlight

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Posted 31 July 2016 - 06:30 PM

The new copy arrived, does the same thing. I've done a research and found this blue glow effect at close up pictures taken since 2015, so I guess it's normal for this lens.

 

Once you are at 45-50cm distance from the subject... the rendering is normal and very sharp even at f2 so it's ok for me


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#8 Tom H.

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Posted 01 August 2016 - 08:10 AM

Are you sure your sensor is clean? Seems like a deposit of something greasy on your sensor to me.



#9 arforlight

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Posted 01 August 2016 - 09:03 AM

I've taken the same picture with an old 50mm with lens turbo and the bokeh is smooth without this glow ghost effect, so I guess the sensor is clean and the problem is on the XF35mm f2. For what I've seen it's a normal thing in the lens, but people won't notice unless really close up pictures with high contrast white and black patterns in the bokeh.

 

I really hope Fuji to fix this on the upcoming XF23mm f2, because that's going to be my general propouse lens, and I'll use MDF a lot, specially if it is as short as on the X100 series.



#10 Tom H.

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Posted 01 August 2016 - 03:56 PM

Send it in for a warranty check, I had some issues with my 56 APD until I sent it in twice to be fixed. Second time, finally, it was resolved.



#11 frod

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Posted 05 August 2016 - 02:01 PM

just sounds like chromatic aberration? Normal in a prime, the camera jpegs should remove it mostly but you'll have to do it yourself with raws.


The aperture ring is for composing in the third dimension, not removing it!


#12 macnfs87

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Posted 21 January 2017 - 11:50 AM

I\ve tried the 35mm f2 WR ,  i dont see this issue. might be your batch/camera sensor.   



#13 arforlight

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Posted 21 January 2017 - 02:47 PM

Thanks for the answers, i think the problem is related to lose of sharpness at minimum distance, i dont have the 35f2 anymore but same happends to the 23f2 which is soft until you step back. Maybe is because of this or because the new lens coating, but not the camera.

Anyway its not a big deal for most of the shoots. Regards and thank you again.

#14 kimcarsons

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Posted 22 January 2017 - 08:30 AM

Halos and softness are normal for the 35mm F2 at close focus distances. It sharpens up if you stop down (which, honestly, you're going to want to do for macro-ish shots anyway to increase the depth of field).


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#15 Phil

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Posted 22 January 2017 - 06:35 PM

Thanks for the answers, i think the problem is related to lose of sharpness at minimum distance, i dont have the 35f2 anymore but same happends to the 23f2 which is soft until you step back. Maybe is because of this or because the new lens coating, but not the camera.

Anyway its not a big deal for most of the shoots. Regards and thank you again.

 

 

Halos and softness are normal for the 35mm F2 at close focus distances. It sharpens up if you stop down (which, honestly, you're going to want to do for macro-ish shots anyway to increase the depth of field).

 

 

IIRC it has something to do with how the elements are arranged for autofocus. I could be wrong, but I thought I read that with the larger primes, the autofocus is more complicated (something along the lines of different groups moving different amounts). Whereas with the newer f/2 WR primes, a larger group of elements is moved as a single unit, which allows for faster autofocus, but affects the image quality around the minimum focus distance.


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#16 kimcarsons

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Posted 22 January 2017 - 06:46 PM

Many non-macro lenses are soft close up wide open. The difference is that most lenses with optical designs that would be soft close up are also designed with their minimum focus distance outside the area of poor performance. For some reason Fuji decided to allow these lenses to focus closer than they perhaps should have. Although, as I said, anyone who knows what they're doing shooting macro isn't going to be doing it wide open or anywhere near it (and probably not with this lens either). 

 

The 35mm F2 was designed to be small and light above all... And I like it for that. I do wish it had more (read any!) optical distortion correction, though. 

 

Still, it's small, light and fantastically sharp, even wide open, when focused at a distance.


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#17 wojconner

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Posted 27 January 2017 - 10:26 PM

Yes unfortunately it is normal for closer subjects. I exchanged mine and the next one was better but they all have this type of coma at f2

#18 bergat

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Posted 10 January 2018 - 12:07 PM

With which software do you develop your raws. I think that Ligthroom kills this problem




 
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