Microcrystalline Wax Techniques? - Page 16 at DVinfo.net

Go Back   DV Info Net > Special Interest Areas > Alternative Imaging Methods

Alternative Imaging Methods
DV Info Net is the birthplace of all 35mm adapters.


Reply
 
Thread Tools Search this Thread
Old May 25th, 2005, 06:35 PM   #226
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
Thanks. OK tomorrow I'll climb on the roof and shoot the sky. Right now I can only present you stars and a moon. This weekend I'll make a new GG with and try it without remelting the wax.
Oscar Spierenburg is offline   Reply With Quote
Old May 26th, 2005, 09:01 AM   #227
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
Here is some first footage from my adventures on the roof:

http://s01.picshome.com/a48/roof1b.jpg

http://s01.picshome.com/a48/roof6.jpg

Don't look at the dust, remember I'm on the roof.
Oscar Spierenburg is offline   Reply With Quote
Old May 26th, 2005, 09:06 AM   #228
Regular Crew
 
Join Date: Feb 2005
Location: Czech republic, Prague
Posts: 159
Quote:
Originally Posted by Oscar Spier
Don't look at the dust, remember I'm on the roof.
lol

Never thought this can be done by wax...
__________________
Daves

At the beginning there was an idea, then the ambition came and the idea became to be a dream... The Satisfied Dream => http://film.datriware.com
Daves Spi is offline   Reply With Quote
Old May 26th, 2005, 01:10 PM   #229
Major Player
 
Join Date: Aug 2003
Location: Poplarville, MS
Posts: 453
Oscar: Keep up the good work!

Also, the hotspot can be eliminated with the right thickness of wax combined with a condenser (or condenserS):
http://209.214.235.122/mwtest/Microw..._Condenser.mpg
Frank Ladner is offline   Reply With Quote
Old May 26th, 2005, 01:51 PM   #230
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
Frank, thanks for posting, I'll do something about the hotspot on my next GG, how do you like Dan's idea? (central grad filter)
Here is an image of the worst case in which you can actually see some grain of the wax (because of the remelting) in the corners:

http://s01.picshome.com/a48/roof3.jpg
Oscar Spierenburg is offline   Reply With Quote
Old May 26th, 2005, 02:01 PM   #231
Major Player
 
Join Date: Aug 2003
Location: Poplarville, MS
Posts: 453
>> how do you like Dan's idea?
I'm sure that would help. It would certainly be a whole lot better than doing some sort of gradient overlay in post (After Effects, Premiere, etc...) because you'd be keeping the data in-camera, as opposed to some of it being blown out.

I think the main thing is getting a surface that's diffuse enough (too thin and the center light will shine right through), and having condensers to refocus and concentrate/evenly distribute the light when it hits the intermediate screen.


As far as the remelting, I believe you are correct in what you mentioned earlier: If you can get away with having to melt the wax only once, that is the best method. If you can get a really, really clean inside glass surface (the part that makes contact w/ the wax), and use your 'cup method', along with a vibrating device, I think that's a winner.
Frank Ladner is offline   Reply With Quote
Old May 26th, 2005, 06:51 PM   #232
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
......so I made another GG tonight. I had all the air out before I flipped the sides together, but I didn't succeed well enough in cooling the thing properly. It's a matter of seconds to put the GG between two 'cool' pieces of glass.

Besides that, it's much better, because I got the spacers thinner so I can shoot in lower light conditions. I also checked out a lens from a super8 as a very thin condenser for these shots.
Here is some footage I shot tonight with a soft 200W light:

http://doublecam.250free.com/ (first three images - takes some time to load)
Oscar Spierenburg is offline   Reply With Quote
Old May 26th, 2005, 09:44 PM   #233
Major Player
 
Join Date: Dec 2004
Posts: 749
That is a static shot, right Oscar? It looks pretty good in low light! Next you have to try it outdoors at night, that is the true test - but I can't believe the progress you make, my friend. It seems everything you touch turns to gold!
Leo Mandy is offline   Reply With Quote
Old May 27th, 2005, 11:11 AM   #234
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
Another climb to the roof.

Thanks Leo, make that silver, I'm not done yet.
I visited the roof again:

http://s01.picshome.com/a48/shoe.jpg (you can see crackles on the side because of wrong cooling - most grain in the sky is video noise)

http://s01.picshome.com/a48/2e-1.jpg

I some circumstances, there is a little bit of grain visible in a movement, but the wax didn't cool down right (maybe that's the last bump to a golden GG if there is one...grrmff)
Oscar Spierenburg is offline   Reply With Quote
Old May 27th, 2005, 11:14 AM   #235
Major Player
 
Join Date: Aug 2003
Location: Poplarville, MS
Posts: 453
Looks like you're getting an image with even light distribution (ie. minimum hotspot or vignetting)

Good job! Keep the posts coming!
Frank Ladner is offline   Reply With Quote
Old May 27th, 2005, 05:47 PM   #236
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
My cat was also on the roof, so I shot her...I mean on tape:
http://s01.picshome.com/a48/fifa2.jpg

I remelted this wax-GG tonight, but it didn't work out. I'll start on a brand new one this weekend. With the lens from the super8 I've been using as condenser, the vignetting is gone, but not the real 'hotspot' with extreme light. I think a combination of the (very very thin) condenser and Dan's central grad filter would be perfect.
Oscar Spierenburg is offline   Reply With Quote
Old May 27th, 2005, 06:37 PM   #237
Major Player
 
Join Date: Dec 2004
Location: Vancouver, Canada
Posts: 804
I have shoot Felix (my cat) and he did not seem to mind too much... (nor get impressed by Z1 and MPIC and all my efforts....all the same... ;-)<
The image is beautifull, Oscar.
Dan Diaconu is offline   Reply With Quote
Old May 28th, 2005, 09:48 AM   #238
Major Player
 
Join Date: Dec 2004
Posts: 749
What part of the lens did you use from the Super 8 Oscar? I have a few lying around, I might tinker if it will get me my condenser!
Leo Mandy is offline   Reply With Quote
Old May 28th, 2005, 02:02 PM   #239
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
The super8 camera I used (i.e. never use again) had a front lens as big, maybe a bit less than the image on the GG. The lens was a zoom and when you take it apart, the back is a tube with a small lens, but the font two large lenses are usable condensers. Especially the back lens (second from the front) Good luck.
I noticed the grain is almost gone using this condenser, it seems to avoid the grain getting shadows, because the light is coming in straight.

EDIT: The hotspot as an overexposed area isn't gone with this, but the dark sides are. For the hotspot, I'll try Dan's filter.
Oscar Spierenburg is offline   Reply With Quote
Old May 29th, 2005, 07:44 PM   #240
Major Player
 
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
I made a new wax GG today. After two or three miserable ones I came up with a good one, but with a tiny hair in the middle.
Despite that, I tested it and in general it turned out pretty good:

http://s01.picshome.com/a48/rollei2.jpg

Here is one zoomed in two times with the DV and shot two times (left+right) like I am doing with my double DV setup.
http://s01.picshome.com/a48/kanterbr_uhdv1b.jpg (macro shot of a small beer bottle)
So in almost HDV resolution still not much grain, although it's there in certain movements and area's. But I'm not finished yet of course....
Oscar Spierenburg is offline   Reply
Reply

DV Info Net refers all where-to-buy and where-to-rent questions exclusively to these trusted full line dealers and rental houses...

Professional Video
(800) 833-4801
Portland, OR

B&H Photo Video
(866) 521-7381
New York, NY

Z.G.C.
(973) 335-4460
Mountain Lakes, NJ

Abel Cine Tech
(888) 700-4416
N.Y. NY & L.A. CA

Precision Camera
(800) 677-1023
Austin, TX

DV Info Net also encourages you to support local businesses and buy from an authorized dealer in your neighborhood.
  You are here: DV Info Net > Special Interest Areas > Alternative Imaging Methods

Thread Tools Search this Thread
Search this Thread:

Advanced Search

 



Google
 

All times are GMT -6. The time now is 09:51 AM.


DV Info Net -- Real Names, Real People, Real Info!
1998-2017 The Digital Video Information Network