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Search took 0.03 seconds; generated 29 minute(s) ago. Search: Posts Made By: Oscar Spierenburg
Forum: Alternative Imaging Methods March 20th, 2005, 06:03 PM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
Bottom left: Worms & Worm Gears, is exactly a...

Bottom left: Worms & Worm Gears, is exactly a guitar tuner.
Forum: Alternative Imaging Methods March 20th, 2005, 10:12 AM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
I thought about another existing 90° mechanism....

I thought about another existing 90° mechanism. How about a guitar tuning mechanism. Or maybe on for a contrabass or something.
Forum: Alternative Imaging Methods March 20th, 2005, 06:47 AM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
I see, so maybe if you get the right spherical...

I see, so maybe if you get the right spherical lenses, the water prisms could be much smaller if they are only to stretch the image collected (if this is the right term)by the front spherical lens....
Forum: Alternative Imaging Methods March 19th, 2005, 05:34 PM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
Your right Aaron, this might be the balance you...

Your right Aaron, this might be the balance you are talking about:
http://doublecam.250free.com/exact-angles.jpg (these are exact angles.)

I checked the aspect ratio of my homemade double camera...
Forum: Awake In The Dark March 19th, 2005, 02:58 PM
Replies: 3
Views: 2,462
Posted By Oscar Spierenburg
Was there ever a short or a feature film shot on...

Was there ever a short or a feature film shot on DV, HDV or HD using a 35mm adapter that made a transfer to 35mm film? I'd be very curious to the results. It would be the future of low budget...
Forum: Alternative Imaging Methods March 19th, 2005, 02:46 PM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
I stick to two water lenses, because I'm getting...

I stick to two water lenses, because I'm getting more color displacement with the oil lens.

I just discovered that the color aberration seems to disappear when I change the angles something like...
Forum: Alternative Imaging Methods March 19th, 2005, 11:29 AM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
For those who are interested, here is a picture...

For those who are interested, here is a picture of the complete setup of the prisms: http://doublecam.250free.com/

I have to refine the angles a bit to get the same amount of squeezing on the left...
Forum: Alternative Imaging Methods March 18th, 2005, 07:47 PM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
No, front version. It's just too bad I don't have...

No, front version. It's just too bad I don't have enough space in the adapter to make it a rear lens.
Aaron, do you know what could cause the color shifting to one side (one lens)?
I'll post a...
Forum: Alternative Imaging Methods March 18th, 2005, 07:01 PM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
TESTS

I made the two water prisms. They must be lined up precisely, but I did a quick test that show one(first) problem: the more you look to the right, from the center of the image, the more it gets...
Forum: Alternative Imaging Methods March 17th, 2005, 11:02 AM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
Too bad because I already made a separate...

Too bad because I already made a separate viewfinder mounted on the camera. Well, I can always use it for a directors finder. I like the idea of the CMOS.
Forum: Alternative Imaging Methods March 17th, 2005, 06:37 AM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
Hmmm...too bad for me. But the idea of the mirror...

Hmmm...too bad for me. But the idea of the mirror and surveillance CMOS is quite good. Thanks.
Forum: Alternative Imaging Methods March 17th, 2005, 06:27 AM
Replies: 2,968
Views: 612,234
Posted By Oscar Spierenburg
That's a huge file for one frame. I can see the...

That's a huge file for one frame. I can see the grid, but besides that, it has very film like detail and tones. OK great...so now we demand a second image.

No, really it looks great.
Forum: Alternative Imaging Methods March 16th, 2005, 06:39 PM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
Dan, the second link is to a restricted area. ...

Dan, the second link is to a restricted area.

Thanks for the info. I'll look for an identical lens.
Just one more thing about my camera (adapter), it is to big to put the second lens next to the...
Forum: Alternative Imaging Methods March 16th, 2005, 05:41 PM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
Almost done with the rear lens. I got real...

Almost done with the rear lens.
I got real high quality -anti reflective (coated) museum glass- today. As I am a painter and am acquainted to a framer, I got a left-over piece for free. I've...
Forum: Alternative Imaging Methods March 16th, 2005, 05:25 PM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
I have a separate viewfinder on my (double DV)...

I have a separate viewfinder on my (double DV) 35mm adapter, with DOF and nice focusing circle in the middle. It has almost the same lens as the adapter itself. I wounder if it is possible to make a...
Forum: Alternative Imaging Methods March 16th, 2005, 11:07 AM
Replies: 17
Views: 4,739
Posted By Oscar Spierenburg
I'm having some trouble with my connection. Any...

I'm having some trouble with my connection. Any chance of a still frame? I'm very interested.
Forum: Alternative Imaging Methods March 15th, 2005, 06:40 AM
Replies: 2,968
Views: 612,234
Posted By Oscar Spierenburg
After 2617 post we demand a screen grab! Just one.

After 2617 post we demand a screen grab! Just one.
Forum: Alternative Imaging Methods March 14th, 2005, 06:35 PM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
I am working on the smaller rear water lens, made...

I am working on the smaller rear water lens, made of two UV filters. Those filters have anti reflective coating, which is needed for such a big lens. They are different in size, which is explained in...
Forum: Alternative Imaging Methods March 12th, 2005, 07:50 AM
Replies: 42
Views: 8,399
Posted By Oscar Spierenburg
1040 x 720. I'm not only doing this for the...

1040 x 720.
I'm not only doing this for the resolution, because it's a DOF adapter as well. I had made an adapter previously, but I wanted to make a better one anyway.
Forum: Alternative Imaging Methods March 11th, 2005, 04:55 PM
Replies: 41
Views: 6,616
Posted By Oscar Spierenburg
If the frensnel is integrated with the GG, I...

If the frensnel is integrated with the GG, I would think it gives a terrible effect in oscillating motion. The fresnel is something like a compressed lens, so it would be like shaking a lens.
Also,...
Forum: Alternative Imaging Methods March 11th, 2005, 03:06 PM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
There are screwdrivers that have a 90° twist. The...

There are screwdrivers that have a 90° twist. The mechanism is very precise. This should easily be converted in a follow focus similar to Dan's.
Forum: Alternative Imaging Methods March 11th, 2005, 08:46 AM
Replies: 94
Views: 35,210
Posted By Oscar Spierenburg
One thing about Sarena Valilis reply. That...

One thing about Sarena Valilis reply. That reaction goes for almost all posts on a 'Alternative Imaging Methods'
But that's what this board is about. When I'm fixing my old-timer car, of course it...
Forum: Alternative Imaging Methods March 10th, 2005, 07:37 AM
Replies: 83
Views: 15,632
Posted By Oscar Spierenburg
I noticed that the original anamorphic lenses had...

I noticed that the original anamorphic lenses had the lenses on their sides (compared to my first design)
Like this: http://www.widescreenmuseum.com/widescreen/panatar-prisms.jpg
or this one more...
Forum: Alternative Imaging Methods March 9th, 2005, 05:42 PM
Replies: 42
Views: 8,399
Posted By Oscar Spierenburg
Footage

If have some footage online. It's highly compressed, but it's to show that I can actually film with this thing. Editing was not much trouble at all, including combining the footage.


link to the...
Forum: Alternative Imaging Methods March 9th, 2005, 05:04 PM
Replies: 4
Views: 2,281
Posted By Oscar Spierenburg
Isn't there a thick lens in the projector part?...

Isn't there a thick lens in the projector part? Under the mirror. The flat thing you put the paper on is a frensnel.
It's a stupid thing for me to point out, because such a projector is expensive...
Showing results 601 to 625 of 725
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