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Author Topic: Zeiss Otus Initial Impressions  (Read 39948 times)

Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #75 on: December 22, 2013, 05:28:09 PM »
Here is another bokeh example, from the 7 candles on the mantlepiece. f1.4
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Re: Zeiss Otus Initial Impressions
« Reply #75 on: December 22, 2013, 05:28:09 PM »

jrista

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Re: Zeiss Otus Initial Impressions
« Reply #76 on: December 22, 2013, 05:43:44 PM »
Thanks for the samples, Eldar! Looks like a wicked sharp lens...blows my mind. Even at 100% zoom, I can't say I've ever seen anything quite that sharp before.

The one thing that did stand out was the boke. It looks like it is slightly spherical, but there are clearly visible concentric rings in each boke blur circle. If you downscale everything, that becomes invisible, but if you wanted to print large, might be a problem.
To show you a bit more, here is the same shot at f2.8. You can see the bokeh change. The lights in the background is a Christmas tree, so the lights are pure lights or combined light and reflection from a Christmas ball, like the two with a red shadow. There are also reflections from the glitter strings. I believe a shot with pure light sources in the background would have a more even bokeh. When I have more time I will do a bit more thorough testing.

It isn't the amount of boke I was referring to. I hope you don't mind me using your photo, but here is a 100% crop that demonstrates the strange concentric rings inside of each boke blur circle (are you saying that funky effect is because the light sources are christmas lights?):

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Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #77 on: December 22, 2013, 05:58:27 PM »
Thanks for the samples, Eldar! Looks like a wicked sharp lens...blows my mind. Even at 100% zoom, I can't say I've ever seen anything quite that sharp before.

The one thing that did stand out was the boke. It looks like it is slightly spherical, but there are clearly visible concentric rings in each boke blur circle. If you downscale everything, that becomes invisible, but if you wanted to print large, might be a problem.
To show you a bit more, here is the same shot at f2.8. You can see the bokeh change. The lights in the background is a Christmas tree, so the lights are pure lights or combined light and reflection from a Christmas ball, like the two with a red shadow. There are also reflections from the glitter strings. I believe a shot with pure light sources in the background would have a more even bokeh. When I have more time I will do a bit more thorough testing.

It isn't the amount of boke I was referring to. I hope you don't mind me using your photo, but here is a 100% crop that demonstrates the strange concentric rings inside of each boke blur circle (are you saying that funky effect is because the light sources are christmas lights?):
That particular bokeh ball is a silver Christmas ball and it may be that you will get these kind of rings in that ball´s reflection. The strong lights are electric candles and they have a reflective edge, which makes an additional shadow in the bokeh. I posted one more with pure candles. That is probably more representative.
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jrista

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Re: Zeiss Otus Initial Impressions
« Reply #78 on: December 22, 2013, 06:41:07 PM »
Here is another bokeh example, from the 7 candles on the mantlepiece. f1.4

Yeah, that looks a lot cleaner!
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Re: Zeiss Otus Initial Impressions
« Reply #79 on: December 22, 2013, 07:17:14 PM »
It isn't the amount of boke I was referring to. I hope you don't mind me using your photo, but here is a 100% crop that demonstrates the strange concentric rings inside of each boke blur circle (are you saying that funky effect is because the light sources are christmas lights?):

Are the concentric rings a function of the grinding process of the aspheric elements?  I noticed it in the 24-70 II, and the rings go away when the blur circle is a lot brighter.  It might be that the candles flames also have the same "feature" if the exposure is reduced by a few stops.

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Re: Zeiss Otus Initial Impressions
« Reply #80 on: December 22, 2013, 07:18:01 PM »
The wind is howling outside and the snow wip the skin off peoples faces, so not very tempting to shoot anything outside at the moment, so in the mean time ... f1.4, ISO100 on a 5DIII. Merry Christmas everyone :)

From a physical, mechanical and handling perspective, the lens is everything Zeiss said it would be. The only thing that I would have preferred differently is the positioning of the focus ring. The way I hold the camera I would have liked to have it a bit closer to the front. But I have no problem operating it the way it is. Focusing is extremely smooth and with the focus aid in the camera it works quite well. At f1.4 it is a bit difficult though, due to the very shallow DOF. But that is difficult for AF also.

I am considering buying the Ec-S focusing screen for the 1DX, to see if that helps MF further. It steals light though and it is not supported by Canon firmware.

Beautiful shot Eldar
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Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #81 on: December 23, 2013, 02:07:47 AM »
It isn't the amount of boke I was referring to. I hope you don't mind me using your photo, but here is a 100% crop that demonstrates the strange concentric rings inside of each boke blur circle (are you saying that funky effect is because the light sources are christmas lights?):

Are the concentric rings a function of the grinding process of the aspheric elements?  I noticed it in the 24-70 II, and the rings go away when the blur circle is a lot brighter.  It might be that the candles flames also have the same "feature" if the exposure is reduced by a few stops.
You may be right. Looking at several of these lower light bokeh elements, they have the same concentric rings. I´ll have to check it out some more.

The lens is great though. All the images you I have posted are RAW to JPEG straight from the camera, only reduced in size to fit the posting requirements. To be more conclusive about how good the optical performance is, I need to run some parallel testing with other lenses. But so far it looks very good and the hype seem to be well deserved.

The challenge is the manual focusing. Shot wide open, the extreme sharpness exposes mistakes brutally. My capabilities in this department is not what it used to be, probably a combination of lack of practice and fading eyesight, so to get the best from it I need to practice quite a bit.
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Re: Zeiss Otus Initial Impressions
« Reply #81 on: December 23, 2013, 02:07:47 AM »

Sporgon

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Re: Zeiss Otus Initial Impressions
« Reply #82 on: December 23, 2013, 02:52:39 AM »
The challenge is the manual focusing. Shot wide open, the extreme sharpness exposes mistakes brutally. My capabilities in this department is not what it used to be, probably a combination of lack of practice and fading eyesight, so to get the best from it I need to practice quite a bit.

You may find you need to pair the lens with a 6D fitted with the 's' screen to enable you to see the true dof. However you might find the controls annoyingly soft after using the 1Dx and 5DmkIII.

Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #83 on: December 23, 2013, 03:29:00 AM »
The challenge is the manual focusing. Shot wide open, the extreme sharpness exposes mistakes brutally. My capabilities in this department is not what it used to be, probably a combination of lack of practice and fading eyesight, so to get the best from it I need to practice quite a bit.

You may find you need to pair the lens with a 6D fitted with the 's' screen to enable you to see the true dof. However you might find the controls annoyingly soft after using the 1Dx and 5DmkIII.
The Ec-S screen works on the 1DX also, but with the need for exposure compensation. I will order one and see how it works.
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Re: Zeiss Otus Initial Impressions
« Reply #84 on: December 23, 2013, 03:30:07 AM »
Thanks for the samples, Eldar! Looks like a wicked sharp lens...blows my mind. Even at 100% zoom, I can't say I've ever seen anything quite that sharp before.

The one thing that did stand out was the boke. It looks like it is slightly spherical, but there are clearly visible concentric rings in each boke blur circle. If you downscale everything, that becomes invisible, but if you wanted to print large, might be a problem.
To show you a bit more, here is the same shot at f2.8. You can see the bokeh change. The lights in the background is a Christmas tree, so the lights are pure lights or combined light and reflection from a Christmas ball, like the two with a red shadow. There are also reflections from the glitter strings. I believe a shot with pure light sources in the background would have a more even bokeh. When I have more time I will do a bit more thorough testing.

It isn't the amount of boke I was referring to. I hope you don't mind me using your photo, but here is a 100% crop that demonstrates the strange concentric rings inside of each boke blur circle (are you saying that funky effect is because the light sources are christmas lights?):

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Re: Zeiss Otus Initial Impressions
« Reply #85 on: December 23, 2013, 03:31:01 AM »
BTW. congrats on a great new lens:)
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Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #86 on: December 23, 2013, 03:35:06 AM »
BTW. congrats on a great new lens:)
Takk for det :) According to the distributor I got the first Canon mount they delivered in Scandinavia, so I guess I was lucky :)
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Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #87 on: December 23, 2013, 03:47:39 AM »
I did a quick test with the 85mm 1.2L II at f1.4 and the 24-70 f2.8L II at app. 55mm and f2.8, with the same setup. On the 85mm I could not see any concentric rings at all. On the 24-70 there were signs of rings, but much less than the Zeiss. I also tried the Zeiss on other sparkling reflections, but have not been able to recreate it on anything else yet.

To be continued ...
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Re: Zeiss Otus Initial Impressions
« Reply #87 on: December 23, 2013, 03:47:39 AM »

Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #88 on: December 23, 2013, 08:11:24 AM »
Weather permitted a walk outside for a couple of hours today. Here is with the 1DX outside my cabin. f11, 1/500s, ISO100
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Eldar

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Re: Zeiss Otus Initial Impressions
« Reply #89 on: December 23, 2013, 08:14:36 AM »
And here is one where there still was some snow on the branches. f11, 1/125s, ISO100 on the 1DX
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Re: Zeiss Otus Initial Impressions
« Reply #89 on: December 23, 2013, 08:14:36 AM »