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Zeiss Superspeeds V Zeiss CP2's


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#1 Mark Williams

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Posted 30 January 2013 - 04:36 PM

Are Arri Zeiss super 16mm lens set IE 9.5/12/16/25mm better with a super 16mm sensor than a set of Zeiss CP2's ?

After reading the thread below I believe they must be as the CP2's were designed for a full frame size.

http://www.cinematog....16mmvs35mm.htm

But a lot can change since 2003 when this thread was written and CP2's didn't exist.

Also another review tells how the CP2's can flare quite a bit and you have to stop down at an often limited ability for bokeh to avoid softness.

Has anyone done any real world tests or knowledge they could share about this?
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#2 Tebbe Schoeningh

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Posted 30 January 2013 - 04:59 PM

Hi Mark,

CP2´s are FF lenses (only the 18mm isn´t). Using them on a S16 sized sensor you will have difficulties to obtain a wide field of view.
Another disadvantage of the CP.2 is that their T-stop is not the same for the whole set (T 2.1 - T 3.9 I think) meanwhile the Zeiss SS are all 1.3 (although I wouldn´t recommend to shoot wide open with them).
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#3 Mark Williams

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Posted 30 January 2013 - 05:02 PM

Hi Tebbe Thanks for the reply but it doesn't answer my question!

Cheers,

Mark
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#4 Alan Rencher

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Posted 30 January 2013 - 06:32 PM

Mark,

Your question is a bit vague. What specific S16 lenses are you comparing them against?. In a general sense, there only real difference between using S16 or FF lenses on the S16 format is that the FF lenses are using only the buttery goodness of the center of the lens (the rest being cropped out). The field of view on both lenses when viewed on the same format will be approximately the same. The CP.2's don't actually flare that much when compared to older lenses (which is why some people prefer the old high speed primes). They are just the Zeiss' still glass in cinema housing, so they react the same way.

I hope this helps.
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#5 Brian Drysdale

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Posted 31 January 2013 - 03:19 AM

Having used the old Zeiss Contex lenses combined with the Super Speeds for shooting Super 16, the latter have the focal lengths that you mostly want to use. The still lenses then to be used when you want to extend into the longer focal lengths. The Zeiss Contex lenses weren't quite as sharp wide open as the Super Speeds and I noticed that the 35mm f1.4 had a bit of barrel distortion compared to the 25mm Super Speed.

I gather the CP2s have the same optics as the CP1s, just they don't open to as wide an aperture.

Edited by Brian Drysdale, 31 January 2013 - 03:20 AM.

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#6 Mark Williams

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Posted 31 January 2013 - 04:54 AM

Alan
Thank you.

Brian
Your combination is how I'm using my zeiss superspeeds at the moment except with a pentax 50mm 1.4
With a super 16mm sensor it translates to a set of -
18mm
24mm
32mm
50mm
100mm

I like the look the look of the CP2's though and it would be nice to have its ergonomics see some comparisons but I have a feeling what I have is far superior for super 16mm frame size.
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#7 Gregg MacPherson

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Posted 31 January 2013 - 02:47 PM

Having used the old Zeiss Contex lenses combined with the Super Speeds for shooting Super 16.......


Brian,
Were the Zeiss Contax lenses remounted somehow? Otherwise what was your solution, what adapter, what camera?
I have spotted that Kimcamera in Sth Korea can rehouse Zeiss Contax for $1200 incl PL mount, gears and (I think) 80mm front. But suddenly it's not cheap any more.
Cheers.
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#8 Brian Drysdale

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Posted 31 January 2013 - 05:08 PM

The Zeiss Contax lenses were fitted with Aaton mounts. It was a relatively easy mod to replace the Contax mount with an Aaton mount, a PL mount is much more complex.
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