[Konvas] NOT TIME LAPSE ; BUT LOW SPEED :::: camera frame by frame .... Olivier .
dweber101 at comcast.net
dweber101 at comcast.net
Wed Dec 10 19:46:37 CST 2008
Yes Oliver, you can put a micro switch on your gears to advance the frames on the HD monitor one by one A good fast computer can handle 6 fps.
Daniel
----- Original Message -----
From: olivier satnet
To: Konvas Discussion List
Sent: Thu, 11 Dec 2008 00:29:35 +0000 (UTC)
Subject: Re: [Konvas] NOT TIME LAPSE ; BUT LOW SPEED :::: camera frame by frame .... Olivier .
NOOOO i am right , i will shoot tape to film
!
frame by frame in an Ultra Hight definition ...
expose 1/6 or 1/4 of second is not a problem for me because i will use RDI
emulsion (the same used in Arrilazer) ...
so it is a continuous exposure in a SLOW frame rate
.... and i syncronise each frame by a video frame using electric interface
between shutter and computer ...
Now i have f2 1/2 using 250 daylight .... so i can
still use same emulsion just closing diaph ...and/or ND the lens ...for color
calibration i will test difference between what i have now and difference with
longer exposure ...
No problem ... don t worry with exposure techniques
... it is my life ... long exposure , shorts etc ....
Olivier .
----- Original Message -----
From:
H. W. Stone
To: cinema at konvas.org
Sent: Wednesday, December 10, 2008 6:53
PM
Subject: Re: [Konvas] NOT TIME LAPSE ;
BUT LOW SPEED :::: camera frame by frame .... Olivier .
You're wrong,
Olivier.
You DO want time lapse-- not just slower frame rates.
Why?
As the frame rate decreases the exposure time INCREASES by
huge amounts, you get blur, exposure bias and mismatch, color shift, and you
find yourself with one quarter of a second exposures requiring eighteen stops
of ND to have that blurry, miscolored image even close to properly
exposed.
BTW, you may also want a K mod magazine-- one that
keeps the feed side slack so that the film flow is smooth.
-----Original Message-----
From: olivier satnet
<firefly at uio.satnet.net>
To: Konvas Discussion List
<cinema at konvas.org>
Sent: Wed, 10 Dec 2008 6:33 pm
Subject:
[Konvas] NOT TIME LAPSE ; BUT LOW SPEED :::: camera frame by frame ....
Olivier .
I explain bad myself .. i don t want time lapse ,
i just want low constant speed with 1000 feets mags on 2C camera so what i
explain before is the BEST way i think , i don t need another MOTOR than the
one 24fps i have !!!
Hi thanks ... I don t need INTERVALS , only a
regular syncro 3fps ... BUT i have a good idea ....the ilumination come to
my head !
JUST with Gearing i can Speed down the SAME
motor .... it is NOT important how much is the FPS ... only the syncro
"regular speed" ....
so if i put a gear or Belt wheels i can speed
down absolutely regular to around 3 or 4 FPS ....
BINGO !!!! i don t need any other motor !
the baseplate of course i need it !
Thanks a lot, Olivier .
-----
Original Message -----
From:
H. W. Stone
To:
cinema at konvas.org
Sent:
Wednesday, December 10, 2008 3:36 PM
Subject:
Re: [Konvas] camera frame by frame .... Olivier .
About ten years ago I had a
"time lapse staging solenoid" drive for the Arri 2b/2c camera, and it
worked like a charm, but would be cheaper to build than to buy.
Get
an Arri or Panavision brand "flat base adapter" for the camera.
That's made to put the camera motor beside the camera, not under it-- but
then, instead of an Arri motor get an off the shelf "staging solenoid"
used on sorting conveyor belts, and set it up to pull a ratcheted drive
cog=2 0mounted where the motor would normally go. This means you can
program the staging solenoid to trip at given intervals, anywhere from
twenty or so times a second down to once a month. The difference is
that when it fires it fires fast, and you get a properly exposed,
advanced, and handled frame.
If you do get a motor from Clive, it
will work, but staging solenoids are interval set items, the motors are
not.
-----Original Message-----
From: olivier satnet <firefly at uio.satnet.net>
To:
Konvas Discussion List <cinema at konvas.org>
Sent: Wed, 10
Dec 2008 2:00 pm
Subject: [Konvas] camera frame by frame .... Olivier
.
HI guys, for this moment , i own a Arri2C full overhaulhed with a
24FPS motor (24fps syncro only) and PL mount ...
i will receive my 1000 feet magazine for Arri2/Arri3 ....
so i will have completed my system with own equipment for tape to
film ....and mount all in a metalic structure with marks for
1:85, 16/9, and scope transfer
BUT, i am really interested in a 3 to 4 FPS t ransfer from stills ...
(animation or frame by frame transfer ...) OK it take more time but will
make another option to tranfer video to film for my customers )
SO i need info about a TOBIN motor for low speeds ... frame by frame
1 fps 2fps 3 fps .... (like the timelapse ones ...) to mount it on my
Arri2C
I need so a Inverse Baseplate to plate the motor in a side of the
camera and NOT below ... for more stability ...
so any Timelapser have info wich motor TOBIN or other will be good
for this system ???
Bests, Olivier .
-----
Original Message -----
From:
Speedbirdmgh at aol.com
To:
cinema at konvas.org
Sent:
Tuesday, December 09, 2008 7:23 AM
Subject:
Re: [Konvas] funny mount
"Thee´s a nice zoom lens on EBay
these days… Do you know the funny kind of lens mount? Item
220323145688"
Ole,
Yes, that looks like a 16mm
"C" mount to me. but there seems to be a sealing ring missing over the
rear element, should'nt affect the image
though.
I have one identical to
above but with Arri standard mount. Mine has "minty" glass and has been
serviced.
Euros 200.00=2 0to
you!
These are nice lenses if you
can get a good one. The 35mm version is
stunning.
Rita (got Uher
spares if you need any)
& nbsp;
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