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Thread started 19 May 2011 (Thursday) 04:22
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Samyang 35mm F1.4 UMC

 
jwhittaker
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Oct 04, 2012 11:53 |  #2866

On my crop sensor with small viewfinder, liveview + zoom button up to x10 nails the focus. But it's then a case of keeping it steady, eg tripod.


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c2thew
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Oct 04, 2012 12:04 |  #2867

yes, there is a slight bit of play when the lens is mounted, which is why others recommend using double sided tape when mounting the shimmed af chip to the lens. 1mm is accurate.


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jwhittaker
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Oct 04, 2012 12:07 |  #2868

re play, my lens is rock solid, it's metal to metal nothing budges at all.


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c2thew
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Oct 04, 2012 15:44 |  #2869

jwhittaker wrote in post #15079302 (external link)
re play, my lens is rock solid, it's metal to metal nothing budges at all.

so if you mount the lens on your camera and wiggle it, it doesn't wiggle by .5-1mm? I find that very hard to believe.

the lens should not wiggle if it is not mounted on the camera, as that would be a loose mount issue which is not what the op is referring to.


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Judsonzhao
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Oct 04, 2012 16:34 |  #2870

anyone own both this and the zeiss 35 2.0? quite interestd the last one as i already have the rok


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jwhittaker
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Oct 04, 2012 16:34 |  #2871

^^ when mounted on camera it is metal of camera body against metal of lens, tight fit, no wiggle at all. Literally solid as rock.


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kent ­ andersen
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Oct 04, 2012 16:49 |  #2872

solid as a rock, is sadly enough not my experience.

I just happen to drop my 5dmkII with the 35mm, from the living room table down on the carpet, and the Samyang lens broke right behind the metal mount. The plastic on the lens seems to very equal with the quality of the 50mm 1.8. My 135L would never get broke from that cind of drop, around 40cm down on a soft carpet.

The good thing is that it is seems to be an easy thing to fix. But this cheep L lens, do have a less quality than the canon. I could screw the broken part together, and I am now trying to get the plastic ring from Samyang. Hopefully I will get it soon. So, my advice from now on is: a great lens, but threat it like a fresh egg.


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ride5000
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Oct 04, 2012 19:56 |  #2873

i busted the same part on a sigma 24/1.8, the same way.

honestly that combo is pretty heavy and a great many lenses would show some issue. SOMETHING has to give.

the nifty fifty would have blown to smithereens. i've done that too! ;)


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pkilla
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Oct 04, 2012 20:00 |  #2874

so the mount on this lens is loose on the camera body?


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sircanon
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Oct 04, 2012 21:03 |  #2875

pkilla wrote in post #15081053 (external link)
so the mount on this lens is loose on the camera body?

Let me correct my self. The mount on the lens is not loose whatsoever. When you mount the lens to the camera and twist it so that it locks in place, there is a small amount of play(1mm) once it clicks and locks in. No the mount on my lens is not loose or defected. The lens has been like this since NEW, and i don't find this a problem as many others have experience the same.


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EVANDIXONdotCOM
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Oct 04, 2012 22:24 |  #2876

ride5000 wrote in post #15079037 (external link)
there are screws which hold the mount to the barrel. can you try to tighten them? be careful, don't strip the head OR the threads...

Thanks for the feedback, guys. I checked the three small screws on the rear mount with the CORRECT size screwdriver. In fact, one screw was about a 1/2 turn loose. I tightened it, reattached the lens, and the play is gone.

It should go without saying, but I am quite relieved!


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c2thew
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Oct 05, 2012 02:39 |  #2877

sircanon wrote in post #15081293 (external link)
the mount on the lens is not loose whatsoever. When you mount the lens to the camera and twist it so that it locks in place, there is a small amount of play(1mm) once it clicks and locks in. No the mount on my lens is not loose or defected. The lens has been like this since NEW, and i don't find this a problem as many others have experience the same.

bingo.


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jwhittaker
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Oct 05, 2012 04:24 |  #2878

^^ c2thew, try tightening up those screws. I just declicked mine so have seen the insides, and can see that there's no reason why it should wobble, it must be loose screws.


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EVANDIXONdotCOM
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Oct 05, 2012 08:42 |  #2879

jwhittaker wrote in post #15082268 (external link)
^^ c2thew, try tightening up those screws. I just declicked mine so have seen the insides, and can see that there's no reason why it should wobble, it must be loose screws.

Agreed. Mine has absolutely no play now. Not sure if it makes any difference but it certainly could cause issues over time.


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jwhittaker
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Oct 05, 2012 09:21 |  #2880

Dear Samyangers, please try this and let me know what you get....
Set aperture to 1.4 and looking thru viewfinder at say some books on the shelf (about 4 foot away). Focus your lens so you can see the titles clearly. Press the liveview and compare what you see. On my camera (600d) the titles are blurred, I can't read them. I turn off live view, look through viewfinder I can read the titles again.
Bottom line, my viewfinder is not showing what the photo will look like, it is inaccurate. Weird.


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Samyang 35mm F1.4 UMC
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