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My Pentaflex/AK 16


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#1 Pawel Saladziak

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Posted 07 August 2006 - 04:14 AM

Hi. Finally I have my camera :-)
Its Pentafex16

I want to make my first shooting. So I have some questions.

First - what I have for my project:
For shooting: Pentaflex16 camera, 3 standard lenses plus 2 zoom lenses, 3 engines (fixed 25 fps with plug for wall outlet, 16/24/25/32 for 12V, and fixed 96 fps for 12V).
For lightning: Two 500 W halogen lamps.
For post production and color correction: Discreet Flame 9.5

First thing I want to shoot is a slow motion with this 96 fps engine. Pentaflex has 180 - 0 fully adjustable shutter so all I know now is that I need a proper light meter that will help me select proper stop on the lens, jeez I have never done it before ;-), so excuse me any dumb stuff that I write here.

First question: what lightmeter should I buy? (I would prefer some used stuff due to limited budget)

Second question: what color stock should I use? (I want to shot falling orange on blue/green screen. Halogen lamps that I have gives very warm yellowish light. I can do color correction on my system)

Third question: After developing process I want to scan my shooting on ArriScan into 16bit dpx files. Do I have to make a positive film for that or ArriScan can scan negatives and then reverse them?

well, for beginning thats all of my doubts, please help me ;-)

Edited by pablo_diablo, 07 August 2006 - 04:15 AM.

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#2 Charles MacDonald

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Posted 07 August 2006 - 09:06 PM

First question: what lightmeter should I buy? (I would prefer some used stuff due to limited budget)

Second question: what color stock should I use? (I want to shot falling orange on blue/green screen. Halogen lamps that I have gives very warm yellowish light. I can do color correction on my system)
Third question: After developing process I want to scan my shooting on ArriScan into 16bit dpx files. Do I have to make a positive film for that or ArriScan can scan negatives and then reverse them?

1) There are many lightmeters on the market, Sekonic has a good reputation, but their are many others wich have cine tables on them. More important for a used meter is a delaer who has checked the meter is acurate.

2) IT is hard to pick a BAD stock these days, Since you are working from tungsten lights at High speed, you probaly will use the 500T from either Fuji or Kodak. Many folks experimenting get "short ends" from a dealer in such, and take whatever the dealer has in stock.

3) most labs will scan from negaive ot computer files. That will give a better result than printing as their is a slight loss in printing.. You can of course make a work print and physicaly edit that if you want to do things the old fashoned way :)... In that case you will still use the edited negative to make a computer file or a physical print.
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#3 Pawel Saladziak

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Posted 25 August 2006 - 02:30 PM

Thanks for reply. Now for sure I know, I will scan from negatives.

I have bougth kodak's vision 500 film for test shooting and I have another question, I want to shoot 96 fps.
The subject is going to be a falling orange on the blue screen. For lightning I have only two ordinary garden halogen lamps (500 W) with bad color teperature. I want to replace bulbs for the OSRAM bulbs that gives 3000K. How do you think, is the diffrence of light from 3200K source is so different that I will not be able to color correct my shooting during online edits (i.e. on the computer workstation)?

regards
pawel

Edited by Pawel Saladziak, 25 August 2006 - 02:32 PM.

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#4 Edson

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Posted 13 November 2006 - 11:52 PM

Hi. I recently bought a Pentaflex 16, but it came without an operation manual.
Does anybody know where can i find one?

or can you send me an electronic version to my email?

yen_lo_wang@hotmail.com
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#5 Jeremy Farkas

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Posted 15 November 2006 - 09:50 PM

Get tungsten lights. You can probably find a set of used fresnels, and the expense of the lights is better than the headache of not being white balanced, especially if you're doing greenscreen. Also, depends on your stock, but 96 fps is FAST. You may need more light.
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