ZE/ZF/ZM Images (Official Thread!)

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wayne seltzer
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p.356 #1 · ZE/ZF/ZM Images (Official Thread!)

carstenw wrote:
I wasn't really expecting that. The lens is great for many things, and I am very impressed by its lack of CA where the 100 MP has lots, but I do want something which can give more 3D and isolation, so a 35/2 or 50/1.4 (or both!) is in the cards.

When you say lots of CA, you are only talking about longitudinal, not lateral?
For better subject isolation and more 3d, then the old C/Y 35/1.4 is better than 35/2(I have both) and better than the new 35/1.4 from what I have seen and read about undercorrected SA lenses which have slower focus transition.

Apr 16, 2011 at 01:11 PM

philber
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p.356 #2 · ZE/ZF/ZM Images (Official Thread!)

Carsten, how much of your frustration is due to your desire for background isolation? Because, in my experience, Zeiss bokeh is much more "structured" than that of other lens brands. The classic example is the Sigma 50mm f:1.4. Whereas, with the Zeiss the background will still be recognizable, though totally OOF, with the Sigma is is not only OOF, but also de-structured (or blurred if you prefer).
In this respect, and while I value my 50 f:1.4 greatly, I am not sure that it would give you greater isloation than the 50MP. If that is the case, the obvious (and painful answer to your prayers is not the 35 f:2.0, but the 35 f:1.4, with its gorgeous, liquid bokeh. Ouch!

Apr 16, 2011 at 01:30 PM

wayne seltzer
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p.356 #3 · ZE/ZF/ZM Images (Official Thread!)

Actually, the new 35/1.4 with its undercorrected SA design retains shapes better further away from the focus point in the bokeh.Read CLN 35 which shows this and you can see it in Ajay's portraits with the hedge in the background.

Apr 16, 2011 at 02:04 PM

Vincent Kluwe
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p.356 #4 · ZE/ZF/ZM Images (Official Thread!)

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Edited on Apr 28, 2011 at 05:58 AM · View previous versions

Apr 16, 2011 at 02:04 PM

philber
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p.356 #5 · ZE/ZF/ZM Images (Official Thread!)

Nie shots, Viincent! But, for the comparison to be quite fair, you should compare both lenses at f:2.0. Obviously the faster one has an advantage in getting thinner DOF wide open...
Sh*t, I need to really get into this wide open shooting. Too much good stuff that I am not enjoying...

Apr 16, 2011 at 02:09 PM

Vincent Kluwe
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p.356 #6 · ZE/ZF/ZM Images (Official Thread!)

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Edited on Apr 28, 2011 at 05:59 AM · View previous versions

Apr 16, 2011 at 02:13 PM

philber
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p.356 #7 · ZE/ZF/ZM Images (Official Thread!)

Yes, Vincent, my apologies. You are trying to help, and I am just being difficult. But the subject is very interesting. [decides to go out despite a cold/flu with his 50mm f:1.4, and try his own hand at this. Why sould Carsten and Vincent have all the fun?]

Apr 16, 2011 at 02:29 PM

cyra
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p.356 #8 · ZE/ZF/ZM Images (Official Thread!)

partitura wrote:
I bought my 25mm ZF used, and feel like it has opened a new world for me. (even though I've had it only a few days). I've been interested to see that the 25 is not nearly as commonly represented in this thread as are other Zeiss models..

Oh, another 25 owner!

it is considered as one of the weaker lenses in the Zeiss lineup. This has two reasons: Zeiss is redesigning it, so people who are interested in the focal length are waiting for the newer (possibly f2.0 version) and it had been turned down at some test reviews due to its field curvature which is strong at close distances, but not necessarily a bad thing, if you know how to use it or to avoid it. Admittedly it results in soft edges often.

The lens is very sharp though, and some claim even sharper than the 21 closed down. There was a discussion about that (and some images posted) and more about this lens at this thread:
25/28/35 opinions please

waiting for your pictures with it

Apr 16, 2011 at 02:52 PM

Vincent Kluwe
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p.356 #9 · ZE/ZF/ZM Images (Official Thread!)

...

Edited on Apr 28, 2011 at 05:59 AM · View previous versions

Apr 16, 2011 at 02:58 PM

wayne seltzer
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p.356 #10 · ZE/ZF/ZM Images (Official Thread!)

Vincent and Philippe, not sure what you are trying to accomplish by just posting 50/1.4 shots but if you are trying to compare both 50's then you need same shot with both lenses.
Samuli's has posted shots which show the faster focus rolloff of the 50/1.4 vs.50MP which gives you better subject isolation and 3-d. This was after I mentioned this behavior to him that I had seen with my copies. The other week I posted forest landscape shots which showed this with both 50's and also between both my 35/2 and C/Y 35/1.4 in the 35 thread.

Apr 16, 2011 at 03:04 PM

wayne seltzer
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p.356 #11 · ZE/ZF/ZM Images (Official Thread!)

I will add that this faster rolloff difference is when stopped down and occurring within the theoretical DOF after which both lenses transition quickly to OOF.
This rolloff of focus from front to back in a scene shows relative distance between objects and the camera and renders volume around shapes better.
A scene like Samuli's forest shots with repetitive tree trunks/columns is perfect for showing this behavior difference.

Apr 16, 2011 at 03:20 PM

Mirek Elsner
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p.356 #12 · ZE/ZF/ZM Images (Official Thread!)

carstenw wrote:

I had an odd thing happen today. I was making some test shots with the 50MP, and found that I couldn't focus where I wanted. I tried the center of the view, no problem. Tried again a bit lower and to the left, and again missed, by quite a bit. I tried both with and without the focus point assistance, but I just couldn't focus in that part of the photo. Very weird, and I can't explain it. I tried in other parts of the image, no problem. Just for some reason, for this one composition I couldn't get the focus right.

Has anyone experienced anything like that? What could it be, field curvature? It wasn't that far out in the field, just perhaps at the 1/3, 1/3 mark, from the bottom left. I was shooting wide open, Nikon D3.

I have a weird picture from 50MP, but it was shot through a windshield, which may have contributed to that effect. Here is a 100% off center crop from a shot with a focal plane somewhere near the traffic lights. Notice that the traffic lights are more or less in focus, the building right behind is out of focus (shot at f/4.5), but the building in the back appears sharp again...

This image is copyrighted by the owner

Apr 16, 2011 at 03:38 PM

carstenw
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p.356 #13 · ZE/ZF/ZM Images (Official Thread!)

Wow, that is an odd one! It is a very cool lens, but it sure has some strange behaviour. Is this sharpness phenomenon also visible in the original?

Apr 16, 2011 at 06:23 PM

carstenw
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p.356 #14 · ZE/ZF/ZM Images (Official Thread!)

wayne seltzer wrote:
Samuli's has posted shots which show the faster focus rolloff of the 50/1.4 vs.50MP which gives you better subject isolation and 3-d. This was after I mentioned this behavior to him that I had seen with my copies. The other week I posted forest landscape shots which showed this with both 50's and also between both my 35/2 and C/Y 35/1.4 in the 35 thread.

Vincent, thanks for the shots, which show the effect I am referring to. I cannot compare directly to my 50 MP shot though, since it looks like you were a lot closer to your subject than I to mine.

Wayne, do you know roughly where I can find Samuli's and your comparison shots? I would love to take a look, before deciding whether or not to add a 50/1.4.

Apr 16, 2011 at 06:24 PM

mortyb
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p.356 #15 · ZE/ZF/ZM Images (Official Thread!)

Carsten, try this: http://www.fredmiranda.com/forum/topic/860134/53

I've bookmarked that one as an interesting discussion about MP vs. 1.4.

Apr 16, 2011 at 06:31 PM

vallejo
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p.356 #16 · ZE/ZF/ZM Images (Official Thread!)

Apr 16, 2011 at 09:19 PM

carstenw
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p.356 #17 · ZE/ZF/ZM Images (Official Thread!)

Those are great, André, especially the first one!

Apr 16, 2011 at 09:27 PM

wfrank
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p.356 #18 · ZE/ZF/ZM Images (Official Thread!)

Very very nice BW work Vallejo, for me no 3 and 4 does the trick. This despite the sky in 4 is a bit intrusive, but still impressive. Is that PP/heavy recovery or what's with the grain?

Apr 16, 2011 at 09:34 PM

vallejo
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p.356 #19 · ZE/ZF/ZM Images (Official Thread!)

Tks wfrank and carsten...the image was a HDR,the conversion was done in Nik's Silver Efex Pro with a modified Wet Rocks preset, that added the grain. It looks nice on the print, sometimes not so much on the screen...
André
www.vallejo.photoshelter.com

Apr 16, 2011 at 09:50 PM

Uzay
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p.356 #20 · ZE/ZF/ZM Images (Official Thread!)

Vallejo, 1 and 3 are my favs, good work

Apr 16, 2011 at 09:57 PM

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