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The official Zeiss 35/1.4 thread
  
 
martindesu
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p.117 #1 · p.117 #1 · The official Zeiss 35/1.4 thread


Still thinking about this lens... probably would sell my RX1 to cover its expense. Wish I could test one for a week...


Feb 11, 2015 at 10:58 PM
sebboh
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p.117 #2 · p.117 #2 · The official Zeiss 35/1.4 thread


wide open:
























Feb 18, 2015 at 11:46 PM
martindesu
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p.117 #3 · p.117 #3 · The official Zeiss 35/1.4 thread


I wonder if it's worth getting this lens over the new Sony FE mount distagon. I look forward to comparisons... 35mm is my favorite.


Feb 19, 2015 at 01:10 PM
sebboh
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p.117 #4 · p.117 #4 · The official Zeiss 35/1.4 thread


martindesu wrote:
Still thinking about this lens... probably would sell my RX1 to cover its expense. Wish I could test one for a week...


i think the rx1 is a better lens optically in pretty much every regard including bokeh. the contax gives you a little more pop though, is a stop faster, and is much nicer to focus.

all wide open:



















Mar 01, 2015 at 05:36 AM
Rich M
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p.117 #5 · p.117 #5 · The official Zeiss 35/1.4 thread


Another on the Sony A7r

Joy to focus......








Mar 01, 2015 at 07:16 AM
martindesu
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p.117 #6 · p.117 #6 · The official Zeiss 35/1.4 thread


Interesting, thanks Sebboh.

You'd not recommend the lens, considering I have an RX1 also?



Mar 03, 2015 at 07:12 PM
sebboh
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p.117 #7 · p.117 #7 · The official Zeiss 35/1.4 thread


martindesu wrote:
Interesting, thanks Sebboh.

You'd not recommend the lens, considering I have an RX1 also?


depends on how you use it and how you use the rx1.

i like the contax better for portraits because it gives a little extra pop, different focus transition, and is easier to focus precisely. the rx1 is better for pretty much everything else and will have less issue with troublesome backgrounds for portraits as well.








Mar 03, 2015 at 07:22 PM
martindesu
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p.117 #8 · p.117 #8 · The official Zeiss 35/1.4 thread


Well maybe you can see in my flickr/site and see how I like to shoot...

They're rare and hard to find, so I don't want to waste time/money too much



Mar 03, 2015 at 07:59 PM
sebboh
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p.117 #9 · p.117 #9 · The official Zeiss 35/1.4 thread


martindesu wrote:
Well maybe you can see in my flickr/site and see how I like to shoot...

They're rare and hard to find, so I don't want to waste time/money too much


it might fit your style better than the rx1, i can't tell for sure. it doesn't seem like the smoothness of the rx1 lens necessarily fits your style. the main advantages of the rx1 are sharper edges and corners and smoother bokeh. honestly, the bigger question for me would be usability. the rx1 is much smaller and has AF versus the real focus ring of the contax.

in any event, some more shots:





























Mar 05, 2015 at 08:29 AM
martindesu
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p.117 #10 · p.117 #10 · The official Zeiss 35/1.4 thread


Nice mood in that first one. And thanks for your thoughts, Sebboh.

I love the RX1 and don't think I'd sell it (ever). The contax would be a different lens for different usage scenarios for the RX1. I don't need it, whatsoever, but I am curious to see what it's like.



Mar 05, 2015 at 08:49 AM
 

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R.Young
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p.117 #11 · p.117 #11 · The official Zeiss 35/1.4 thread


Untitled by Scanned Chemistry, on Flickr



Mar 09, 2015 at 08:10 AM
martindesu
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p.117 #12 · p.117 #12 · The official Zeiss 35/1.4 thread


MMJ or AEJ... which is the one to go for?


Mar 13, 2015 at 06:03 PM
sebboh
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p.117 #13 · p.117 #13 · The official Zeiss 35/1.4 thread


martindesu wrote:
MMJ or AEJ... which is the one to go for?


the AE versions give ninja star bokeh from f/2~4 while the MM versions have typical octagons and the MM version will probably have more up to data T* coatings. otherwise there doesn't seem to be any optical difference.

a couple more:














Mar 13, 2015 at 06:21 PM
sebboh
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p.117 #14 · p.117 #14 · The official Zeiss 35/1.4 thread


i've been playing with different settings on the FLE of my beater copy of the c/y 35/1.4. i finally found the setting i think is best for midrange bokeh after some testing. there are two major drawbacks to this setting though the first drawback is that this setting lengthens the MFD to ~.7m and the second is that bokeh is improved by causing massive inward field curvature towards the edges making flat field or landscape work pretty much impossible. the MFD issue could be fixed with c/y to m adapter and helicoid adapter, but it's a very heavy lens to have on a helicoid adapter...

anyway, here's a comparison shot for anyone interested with the same focus distance (in the center) with the FLE optimized for flat field (first) and optimized for bokeh (second):










of course the light changed and the baby moved in the 5 minutes it took me to change the FLE setting, but the bokeh differences are still pretty clear. here are some 100% crops:






























here's a few regular shots with the modded lens(all wide open), bokeh is clearly more uniform across the frame though i don't think it's improved in any other way:




















here's a shot at the new MFD that also shows what happens with the new found corner weakness:









Mar 15, 2015 at 03:35 PM
R.Young
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p.117 #15 · p.117 #15 · The official Zeiss 35/1.4 thread


Really interesting Sebboh! I spent a few hours yesterday retweaking the FLE of my Contax but to get it back to how it was before I last regreased it. I took the lens away to Scotland a couple of weeks ago and found all my stopped down infinity landscape shots a little lacking around the midzone but not terrible in the corners. So I played around with the infinity stop and also the FLE, as I found that my copy does not reach infinity in the corners at 1.4, due to field curvature, so I adjusted so that the infinity hard stop now is optimised for the corners wide open, which I hope means stopped down I can get a better balance of cross frame sharpness, I'll need to test if the field curvature changes at different apertures but don't have much landscape in London to test with.

I find the lens is sharp in the centre at any FLE setting, so I'm not really surprised that you have been able to modify yours to provide better bokeh. The effects are impressive, but is it now only sharp near the centre or can you get a sharp subject at the edge of the frame? I've concluded that no matter the FLE position I can never get a great performing mid zone towards infinity, but everywhere else the lens is performing great. Looking back through old photos before I first adjusted anything my stopped down landscape have always been pretty unsharp except for the centre, even at f8, so I have basically not achieved anything but learnt a little. My copy is now back to stock except maybe for the infinity position.

Have you noticed a mid zone drop in your copy? My corners seem better than my edges both wide open and stopped down, and the FLE doesn't help, just shifts field curvature around in the corners.



Mar 15, 2015 at 05:24 PM
sebboh
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p.117 #16 · p.117 #16 · The official Zeiss 35/1.4 thread


R.Young wrote:
Really interesting Sebboh! I spent a few hours yesterday retweaking the FLE of my Contax but to get it back to how it was before I last regreased it. I took the lens away to Scotland a couple of weeks ago and found all my stopped down infinity landscape shots a little lacking around the midzone but not terrible in the corners. So I played around with the infinity stop and also the FLE, as I found that my copy does not reach infinity in the corners at 1.4, due to field curvature, so I adjusted so that the infinity
...Show more

this mod allows a sharp image through midzone nearly to the long edge of the frame, but of course focus in the center moves slightly back from the subject in these cases.

i have also observed the midzone drop at infinity on my copy when the FLE is in the stock position. when i optimized my FLE for corners at infinity it actually increased the midzone dip. i've found that if i optimize for near the corner/outer midzone i get the smallest midzone dip and the corners are pretty good. this setting also corresponds to a nice flat field with sharp corners and midzone focused at 2m.

stopping down doesn't seem to impact field curvature much at least at the more extreme FLE settings. usually it's lenses with much stronger SA that have the big changes in field curvature with stopping down.




Mar 15, 2015 at 06:03 PM
sebboh
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p.117 #17 · p.117 #17 · The official Zeiss 35/1.4 thread


a few more shots with the modified FLE setting:






























Mar 16, 2015 at 05:31 PM
sebboh
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p.117 #18 · p.117 #18 · The official Zeiss 35/1.4 thread


some more, the last is a 4 image stitch:






























Mar 21, 2015 at 06:21 PM
wfrank
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p.117 #19 · p.117 #19 · The official Zeiss 35/1.4 thread


Is there a short version what this FLE thing is - some kind of complicated physical alteration to soften the bokeh further? Thanks.

From today, patinated daily driver from -61 (sry x-post from A7 thread, Contax MMJ)




Mar 21, 2015 at 08:20 PM
wfrank
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p.117 #20 · p.117 #20 · The official Zeiss 35/1.4 thread


Contax MMJ:




Mar 21, 2015 at 08:41 PM
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