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Anamorphic for Canon 5D Mark II ??


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#1 Kal Karman

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Posted 23 March 2009 - 03:17 PM

Hi there,

Anyone have an idea how to shoot Anamorphic with a Canon 5D Mark II?

What adapters, lenses etc..

Thanks,

Kal

Edited by Kal Karman, 23 March 2009 - 03:18 PM.

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#2 Oliver Christoph Kochs

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Posted 23 March 2009 - 04:53 PM

There were some 1.5x lenses made by ISCO (schneider kreuznach) that had Contax and Nikon mounts. With the adaptor they'll be usable on the 5d2. I have tried mine but it seems like it needs adjustment.
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#3 Oliver Christoph Kochs

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Posted 23 March 2009 - 05:31 PM

http://kevincameras....llery/album5904
They're called Iscorama lenses.
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#4 Nico Hardy

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Posted 14 April 2009 - 08:08 PM

I have the iscorama lens and have used it on the 5d mkII.
It's a bit complicated to use as a general purpose lens, specially to focus it.
the cle focusing range is very spaced out, but the midrange goes very quick (almost like a still macro lens).
it only goes down to something like 6ft, so any kind of CU needs a diopter.
also (at least mine) is VERY low contrast.
I love it, but it's not a great lens if you're crazy about sharpness and "quality", but it definitively has a personality.

the lens is not part of a set. This one is it

This is a still shoot with the iscorama on a set, but it will give you a good idea what it can do.
-yes, it has a +1 diopter in it and the contrast is crancked way up-

Nico

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#5 jeremy toth

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Posted 02 June 2009 - 10:34 PM

Hi Nico,

Does it also have the flare characteristics of a anamorphic lens? Do you have any examples?

Jeremy
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#6 Jean Leclerc

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Posted 03 June 2009 - 01:35 AM

What's the focal length?
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#7 Nico Hardy

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Posted 04 June 2009 - 01:24 PM

My personal experience with anamorphics is a bit limited, but my guess is that it looks more like a cooke converted anamorphic or older lomos that a panavision C or E.
the flares are warm / yellowish, not cold. They flare more as an elegant straight horizontal line that fades to the sides rather than solid. If you're trying to redo the flares in the new Star Trek, this is NOT the lens to do it. This a low contrast lens.
The lens doesn't have a FL inscription, but on the canon 5D the height has the FOV of a 50mm.
this lens is a 1.5x compression, not a 2x.

don't have files at hand, when I do, I'll post some flare examples.

hope it helps.
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#8 Leo Anthony Vale

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Posted 04 June 2009 - 04:19 PM

What's the focal length?


The Iscorama like other anamorhic attachments is afocal.

It screws into the prime lenses. the widest 24x36mm format lens it can be used with is 45mm or 50mm.
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#9 jeremy toth

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Posted 04 June 2009 - 06:16 PM

Thanks Nico. I found an example here http://www.flickr.co...orm/3448194527/
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#10 Nico Hardy

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Posted 05 June 2009 - 12:28 PM

No problem.
yeah, that pic in flick does just about the same look I was trying to describe.

BTW, I know isco also made anamorphic attachment in different screw sizes, but this particular lens was designed as a unit.
An interesting side effect is that it has to levers that allow you to control the direction of the anamorphic element.
I read that originally it was designed to take apart the front element and use it in the enlarger to de-squeeze the image.

I've talked a director into using it on a TV commercial in 2 weeks. I'll post it when finished.
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#11 Jean Leclerc

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Posted 06 June 2009 - 12:03 PM

http://kevincameras....llery/album5904
They're called Iscorama lenses.

Is this the same lens?

http://cgi.ebay.com/...MC-...:2|294:50
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#12 Oliver Christoph Kochs

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Posted 06 June 2009 - 05:57 PM

Looks like a later version. Mine is not multicoated and it is very soft.
I have the same softness problem with my older moeller anamorphic lenses.
It seems they're too old to meet todays demands...
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#13 Chris Gloag

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Posted 06 June 2009 - 06:04 PM

The Iscorama like other anamorhic attachments is afocal.

It screws into the prime lenses. the widest 24x36mm format lens it can be used with is 45mm or 50mm.



How?


More questions...


Is it possible to attach any prime lens above a 45mm or 50mm?


Once the 5D MII records a squeezed 1920x1080 1.5x image, when you de-squeeze in post, what's exactly the resolution you will (better) get? Upsampling horizontally above 1920?
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#14 Chris Gloag

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Posted 07 June 2009 - 11:10 AM

These offers on ebay are really pricey!

Take a look:
http://forum.mflense...-m42-t4951.html

160€ + shipping...

Nico,

How much did you pay for your Iscorama lens?
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#15 Nico Hardy

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Posted 08 June 2009 - 09:35 AM

I paid $120 dollars for it, 3 years ago.
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#16 Leo Anthony Vale

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Posted 10 June 2009 - 03:52 PM

How?

More questions...

Is it possible to attach any prime lens above a 45mm or 50mm?


They simply screw into the filter threads of the camera lens. Thread adapter rings may be needed
to fit one on to your lenses.
The camera lens' focus is set at infinity and all the focusing is done on the Iscorama.

Here are specs on some of the Iscorama lenses:

ISCORAMA-54
Magnification (horizontal).......1.5x
Distance Scale..........2m to infinity
Rear Barrel Diameter...........78mm
Rear Lens Element Diameter...54mm
Length..............................102.5mm (maximum)
Net Weight........................1000 grams
Filter Thread......................95mm
Rear Barrel Threading.........77mm
Light-loss Absorbtion...........1/3 Stop or less
ISCORAMA-42
Magnification (horizontal).......1.5x
Distance Scale...............2m to infinity
Front outside diameter..........87mm
Rear Barrel Diameter.............43mm(?)
Rear Lens Element Diameter...42mm
Length..............................83mm (maximum)
Net Weight........................750 grams
Filter Thread......................82mm
Rear Barrel Threading.........62mm
Light-loss Absorbtion...........1/3 Stop or less
ISCORAMA-36
Magnification (horizontal).......1.5x
Distance Scale...............2m to infinity
Front outside diameter..........76.2mm
Rear Barrel Diameter.............52mm(?)
Rear Lens Element Diameter...36mm
Length..............................73.9mm (maximum)
Net Weight........................400 grams
Filter Thread......................72mm
Rear Barrel Threading.........49mm
Light-loss Absorbtion...........1/3 Stop or less
ISCORAMA WIDESCREEN 2000
Magnification (horizontal).......1.5x
Distance Scale...............none (fixed focus range 6m-inf)
Front outside diameter..........59mm
Rear Barrel Diameter.............49mm
Rear Lens Element Diameter...36mm
Length..............................50mm (maximum)
Net Weight........................225 grams
Filter Thread......................none
Rear Barrel Threading.........49mm(?)
Light-loss Absorbtion...........1/3 Stop or less

http://lavender.fort...anamorphic.html

Nico's lens is apparently the Iscorama 2001, which is a single unit.

Posted Image

The earliest Iscoramas which came with a Nikon, M42 or Exacta mount were detachable in order to use the anamorphic on a slide projector.

Posted Image

One of the most unusual (and rare) lenses ever produced for the Exakta was the Isco Göttingen 50mm f2.8 Iscorama. During photo taking, the lens permits vertical or horizontal picture shrinkage. It's a two part lens, a modified automatic 50mm f2.8 and a special anamorphoser.

This is a very interesting lens and fun to play with. You can make short objects tall, fat objects thin, etc., just by depressing the two buttons and rotating the front elements.


---Capt.Jack's Exacta Page
http://captjack.exak...m/Isco page.htm

Yes they can be used on longer lenses. The front diameter of the camera lens shouldn't be larger than the back element diameter of the iscorama lens.
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#17 Nico Hardy

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Posted 15 June 2009 - 08:35 PM

I'm no expert on the matter, but I can assure you there's a difference between the iscorama adaptors and the iscorama lens made for nikon mount.
the adaptors are meant to be used with regular lenses as long as the filter's diameter and coverage allow it. The iscorama pret-a-porter is a unit consisting of 2 parts. the mount side has a few elements and f-stop ring only (no focusing ring), while the anamorphic (front) part has an element that protrudes so far back as to be impossible to use on any other regular lens.
When I researched purchasing the lens, The same single unit out of polish EBay came up as the only alternative, but 3 years later it's still there. I smell a scam or something of the sort. Does anybody ever seen something similar to it?

Hope the crappy snap I did of the 2 sections of the lens will explain what I'm saying.

BTW, I just shoot a TV commercial with it, it looks fantastic. So much for expensive gear....It feels a bit subversive to use equipment clients would consider unfit to use compared to the usual fare. A childish pleasure, but a pleasure none the less.

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#18 Jean Leclerc

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Posted 19 June 2009 - 01:01 AM

I'm no expert on the matter, but I can assure you there's a difference between the iscorama adaptors and the iscorama lens made for nikon mount.
the adaptors are meant to be used with regular lenses as long as the filter's diameter and coverage allow it. The iscorama pret-a-porter is a unit consisting of 2 parts. the mount side has a few elements and f-stop ring only (no focusing ring), while the anamorphic (front) part has an element that protrudes so far back as to be impossible to use on any other regular lens.

So, are you implying that the model you have simply doesn't screw into the filter threads of the camera lens?
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#19 Jean Leclerc

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Posted 19 June 2009 - 01:04 AM

When I researched purchasing the lens, The same single unit out of polish EBay came up as the only alternative, but 3 years later it's still there. I smell a scam or something of the sort. Does anybody ever seen something similar to it?


Same case?

Why such difference? What does this difference mean?
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#20 Phil Holland

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Posted 22 June 2009 - 06:50 PM

I actually have the Isco Gottingen 50mm f/2.8 Anamorphic lens and have been using it for about 3 years now.
Posted Image
Here it is on a 1Ds Mark III

Originally I was interested in shooting stills in a new format, more of a one shot panorama format. Here are a few from the Isco.
Posted Image
Isco f/8

Posted Image
Isco f/2.8

Posted Image
- bigger
Isco f/2.8 (note alignment of the anamorphic element is slightly off, you can indeed rotate it)

Posted Image
- bigger
Isco f/11


As my fascination with using anamorphic glass got the best of me I ended up spending some cash on getting more and more anamorphic elements. Which led me to having Panavision machining together a 100mm 2x anamorphic lens based on a Canon 100mm f/2. I also recently fitted an old Kowa 1.75x on the front side of a Canon 100mm f/2 as well.

Hope that helps.

Edited by Phil Holland, 22 June 2009 - 06:52 PM.

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