[Konvas] OCT-19 Canon DSLR

Wed Sep 9 13:49:54 CDT 2009

Adam, 

Colcam is HW Stone.  But don't ask ABC news to confirm that, right HW?

lael

________________________________

From: cinema-bounces at konvas.org [mailto:cinema-bounces at konvas.org] On
Behalf Of colcam at aim.com
Sent: Wednesday, September 09, 2009 2:46 PM
To: cinema at konvas.org
Subject: Re: [Konvas] OCT-19 Canon DSLR

I am not sure how answering in red caused problems, but I had been
working stills to use a DSLR as a director's finder, and most of the
work was done with one of the "04" Canon 10D bodies.

-----Original Message-----
From: Adam P.Jones <adamcjx25 at yahoo.com>
To: Konvas Discussion List <cinema at konvas.org>
Sent: Wed, Sep 9, 2009 1:35 pm
Subject: Re: [Konvas] OCT-19 Canon DSLR

Are you quoting Stone? I couldn't really find it in his email. Or is
this your own experice? The confusion is just because you wrote in red.

--- On Wed, 9/9/09, colcam at aim.com <colcam at aim.com> wrote:

From: colcam at aim.com <colcam at aim.com>
Subject: Re: [Konvas] OCT-19 Canon DSLR
To: cinema at konvas.org
Date: Wednesday, September 9, 2009, 11:59 AM

I only "really tried" anamorphics-- but both versions of the 30mm and
four versions of the 35mm worked.  The mirror needed to be locked in the
up position, btw.

-----Original Message-----
From: Adam P.Jones <adamcjx25 at yahoo.com>
To: Konvas Discussion List <cinema at konvas.org>
Sent: Wed, Sep 9, 2009 12:38 pm
Subject: Re: [Konvas] OCT-19 Canon DSLR

What a pity. I just tried it roughly with an old rebel X body i have and
only 75mm, 100mm and 150mm seems to fit. 50mm and down doesn't see to
fit. 

Stone, do you remember if you had any luck with the wider focal lengths?

If it doesn't fit this is a real pity. I would love to use my Lomo set
as my follow focus and other gear would fit them, not to mention they
are real cine lenses and don't breath like still lenses.

--- On Wed, 9/9/09, Adam P.Jones <adamcjx25 at yahoo.com
<http://us.mc515.mail.yahoo.com/mc/compose?to=adamcjx25@yahoo.com> >
wrote:

	From: Adam P.Jones <adamcjx25 at yahoo.com
<http://us.mc515.mail.yahoo.com/mc/compose?to=adamcjx25@yahoo.com> >
	Subject: Re: [Konvas] OCT-19 Canon DSLR
	To: "Konvas Discussion List" <cinema at konvas.org
<http://us.mc515.mail.yahoo.com/mc/compose?to=cinema@konvas.org> >
	Date: Wednesday, September 9, 2009, 10:06 AM

Very interesting. 

Now that Canon is releasing the 7D, which has roughly the same size
sensor as 35mm motion picture film, the Lomos may cover the whole
sensor. The 5D was a full frame sensor and so the Lomos would not cover
it. But the 7D has a 1.6x crop factor which is basically the same as
motion picture film. The question now is if the lenses would physically
fit. The adapter would have to be only 17mm thick, which is not a lot.
EF mount is 44mm and OCT-19 is 61mm. 

I know there's a Panavision adapter to use Panavision lens with the D
but the widest lens that will fit is a 35mm.

I would have to measure my Lomos to see which ones stick farther back
then 17mm. But for HD capture having the Lomos would be killer. Surely
beats any Letus 35mm adapter set up with a video camera.

--- On Sun, 2/22/09, H. W. Stone <colcam at aim.com
<http://us.mc515.mail.yahoo.com/mc/compose?to=colcam@aim.com> > wrote:

	From: H. W. Stone <colcam at aim.com
<http://us.mc515.mail.yahoo.com/mc/compose?to=colcam@aim.com> >
	Subject: Re: [Konvas] OCT-19 Canon DSLR
	To: cinema at konvas.org
<http://us.mc515.mail.yahoo.com/mc/compose?to=cinema@konvas.org> 
	Date: Sundamm.y, February 22, 2009, 10:59 AM

	I made ONE oct19 to Canon 10D mount adapter.

	It was made from a junked lens, taken apart to create a back
flange and forward cup, the lens mount taken off of a dropped and
totaled 2m for the front, and Bondo Plus to create the body between the
two after measurements.  It worked with the anamorphics, the mirror
clearing, and with the three or four sphericals I tried, and I had
someone whose name I will not mention here tell me he could duplicate
them in Eastern Europe if I would loan him my one kluged mount.

	I sent it, his email got changed, and while the package was
delivered, according to the tracking, when I got in touch with him he
said he never got it, then did not reply any further.

	I have been working on the system again, and found from the
sensor size and features that the newer Sony DSLR cameras are a better
match-- mostly because of the fact you can lock the mirror UP and use
the screen on back to compose and shoot-- which means mirror clearance
no longer matters.  

	Interestingly the Canon DSLR people don't really want to talk to
me-- and it infuriates the DV guys, who apparently cannot even get them
to respond within the company, and it appears the Sony DSLR people were
chosen from those who took a basic intelligence test and did not pass
it.  No one even wanted to talk to me about which models had what
sensors at what size and the mirror lock up features--  I had to measure
some to find out.  The Nikon people were downright hostile--  their push
on the DSLR bodies is to sell their lenses, and as soon as I explained
what I wanted to do they refused to even answer me any further.  

	It should (make that SHOULD in all caps and boldface) be fairly
simple to make a mount adapter for the new "HD out of a DSLR" bodies by
either Nikon or Canon since the mirrors lock up for the HD use-- if you
can find the area of the sensor used and figure out how to make sure the
mirror is KEPT up even if the battery dies. 

	That just happens to be in opposition to the planned sales
pattern.

	-----Original Message-----
	From: Bruce McNaughton <bruce at arandafilm.com.au
<http://us.mc515.mail.yahoo.com/mc/compose?to=bruce@arandafilm.com.au> >
	To: Konvas Discussion List <cinema at konvas.org
<http://us.mc515.mail.yahoo.com/mc/compose?to=cinema@konvas.org> >
	Sent: Sun, 22 Feb 2009 2:09 am
	Subject: Re: [Konvas] OCT-19 Canon DSLR

	I am not as familiar with OCT18 as OCT19.  I know that the lens
barrels are not as wide, which is helpful but the protruding of the
lenses behind the mount seems to be a close call.  I would have to have
the equipment in front of me to advise further. 

	Regards

	Bruce

	The aranda group

	Melbourne

	http://www.arandafilm.com.au <http://www.arandafilm.com.au/> 

	On 22 Feb 2009, at 17:58, Brad Leong wrote:

	What about a OCT-18 DSLR mount the little lomo oct-18s that I
have don't seem to project that far back from their mounting position.

	The oct-18 with a falnge focal of 57mm will project out 13mm
from the canon body.  The oct-18 lenses that I have seem to sit 20mm or
less back into the mount... so it's tight but maybe they will clear the
mirror????  Thoughts????

	Brad Leong

	paloaltothemovie.com

________________________________

	From: Bruce McNaughton <bruce at arandafilm.com.au
<http://us.mc515.mail.yahoo.com/mc/compose?to=bruce@arandafilm.com.au> >
	To: Konvas Discussion List <cinema at konvas.org
<http://us.mc515.mail.yahoo.com/mc/compose?to=cinema@konvas.org> >
	Sent: Friday, February 20, 2009 11:47:46 PM
	Subject: Re: [Konvas] OCT-19 Canon DSLR

	Shouldn't be difficult.  The geometry is right as the OCT mount
will stand some 20MM ( if memory serves) out from the Canon mount.  The
restricting factor is the size of the(LOMO) lens that you wish to use.
If the lens seats deeply into an OCT mount it may interfere with the
canon end of the special adaptor. Generally long lenses are OK, short
ones could give trouble. 

	Regards

	Bruce

	The aranda group

	Melbourne

	http://www.arandafilm.com.au <http://www.arandafilm.com.au/> 

	On 21 Feb 2009, at 14:32, Brad Leong wrote:

	Has anyone made an OCT-19 mount for Canon still cameras
specifically the Digital Rebel and 5D?

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