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Search took 0.03 seconds; generated 29 minute(s) ago. Search: Posts Made By: Oscar Spierenburg
Forum: Alternative Imaging Methods January 31st, 2005, 06:50 PM
Replies: 45
Views: 8,298
Posted By Oscar Spierenburg
I still don't understand why you use a macro...

I still don't understand why you use a macro filter (binocular lenses in your case)
It's a simple system, a 35mm lens, about 45 mm space, maybe a condenser lens in that space, the ground glass and...
Forum: Alternative Imaging Methods January 31st, 2005, 04:42 PM
Replies: 77
Views: 17,526
Posted By Oscar Spierenburg
Aaron, I'd first want to try a rear lens, because...

Aaron, I'd first want to try a rear lens, because of the advantages you pointed out. But if I end up having too little space inside the camera (I also have a thick condenser lens) I would attempt a...
Forum: Alternative Imaging Methods January 30th, 2005, 07:30 AM
Replies: 23
Views: 5,264
Posted By Oscar Spierenburg
I suggested this before, but it looks to me much...

I suggested this before, but it looks to me much easier and less risky to crack open the LCD screen end find a way to flip (and mirror) the LCD glass. Maybe it's to compact to do it, but I'd rather...
Forum: Alternative Imaging Methods January 30th, 2005, 06:27 AM
Replies: 77
Views: 17,526
Posted By Oscar Spierenburg
Aaron, what size will it be. I think people need...

Aaron, what size will it be. I think people need to know to check their equipment first. I don't really like the focal length increasing too. Do you think the lens I'll be making, will have a larger...
Forum: Alternative Imaging Methods January 29th, 2005, 05:05 PM
Replies: 77
Views: 17,526
Posted By Oscar Spierenburg
If a focal increases, would that mean the GG has...

If a focal increases, would that mean the GG has to be closer to the 35mm lens or further away? (probably a stupid question)
Most people probably have much work or no space left if the GG needs to...
Forum: Alternative Imaging Methods January 29th, 2005, 04:00 PM
Replies: 42
Views: 8,399
Posted By Oscar Spierenburg
No, I just found out that these (sony) camcorders...

No, I just found out that these (sony) camcorders not only start at the same time with one remote (which I will build onto the camera), but also stop on the exact same frame. So you can shoot a whole...
Forum: Alternative Imaging Methods January 29th, 2005, 01:43 PM
Replies: 42
Views: 8,399
Posted By Oscar Spierenburg
I've made test on the blending of the images and...

I've made test on the blending of the images and focusing with the 35mm lens:

http://www.degalerie.nl/1/test6a.wmv

Thanks for the compliment Obin, I'd definitely never try to do what you’re...
Forum: Alternative Imaging Methods January 29th, 2005, 06:11 AM
Replies: 22
Views: 5,298
Posted By Oscar Spierenburg
wouldn't such a lens get terribly out of focus?

wouldn't such a lens get terribly out of focus?
Forum: Alternative Imaging Methods January 28th, 2005, 05:32 PM
Replies: 25
Views: 5,536
Posted By Oscar Spierenburg
You don't need a macro lens, filter (sorry Kyle!).

You don't need a macro lens, filter (sorry Kyle!).
Forum: Alternative Imaging Methods January 28th, 2005, 04:49 PM
Replies: 45
Views: 8,298
Posted By Oscar Spierenburg
Sorry, I'm confused. I thought the Kiron was the...

Sorry, I'm confused. I thought the Kiron was the macro, because you say 'KIRON MACRO' somewhere. You don't need a macro filter in front of the DV, I just said that because I thought the Kiron is a...
Forum: Alternative Imaging Methods January 28th, 2005, 02:41 PM
Replies: 45
Views: 8,298
Posted By Oscar Spierenburg
I think you'd be much better off if you forget...

I think you'd be much better off if you forget about the macro lens, because it's not meant for this. Like I said before, a very good photo lens which can focus with a separate ring will cost almost...
Forum: Alternative Imaging Methods January 28th, 2005, 06:25 AM
Replies: 77
Views: 17,526
Posted By Oscar Spierenburg
I know this tread is mostly setup for the pricing...

I know this tread is mostly setup for the pricing enquiry, but I have a technical suggestion or question.
I pointed out to make the lens shape of a clear lens filter and bend the anamorphic curve...
Forum: Techniques for Independent Production January 27th, 2005, 05:55 PM
Replies: 24
Views: 7,069
Posted By Oscar Spierenburg
I rushed trough this tread, so I don't know...

I rushed trough this tread, so I don't know everything that’s discussed.
I'm attempting the cheapest way to have high resolution results with a 35mm adapter recorded by two DV cameras.
I have a...
Forum: Alternative Imaging Methods January 27th, 2005, 06:30 AM
Replies: 45
Views: 8,298
Posted By Oscar Spierenburg
If your image is not about 35mm wide you have to...

If your image is not about 35mm wide you have to get another lens, because the reason why you'd make the whole thing is to get the depth of field of a 35mm film.
If you use a smaller one, like an...
Forum: Alternative Imaging Methods January 26th, 2005, 07:34 PM
Replies: 45
Views: 8,298
Posted By Oscar Spierenburg
35mm stands for the film, not for the lens....

35mm stands for the film, not for the lens. Cinema film is recorded on 35mm, but because most photographic cameras also use 35mm film, those (much cheaper) lenses can be used for the adapter we are...
Forum: Alternative Imaging Methods January 26th, 2005, 07:17 PM
Replies: 45
Views: 8,298
Posted By Oscar Spierenburg
I think the problem is like I said, because your...

I think the problem is like I said, because your lens in a conversion lens, so it depends on the lens it is mounted on.
Maybe you are missing the ground principal of the whole thing.

If you have...
Forum: Alternative Imaging Methods January 26th, 2005, 06:46 PM
Replies: 77
Views: 17,526
Posted By Oscar Spierenburg
If you mean the diameter of the 35mm lens: 3,2mm...

If you mean the diameter of the 35mm lens: 3,2mm is the front lens, the front filter ring is 48mm. The rear lens is 2,5mm.

If you mean the lens I will be making, it will be 48mm.

2.35:1 aspect...
Forum: Alternative Imaging Methods January 26th, 2005, 05:51 PM
Replies: 45
Views: 8,298
Posted By Oscar Spierenburg
I think the lens you use is not right. You have...

I think the lens you use is not right. You have to use a 35mm lens, so that would be from a movie camera or a photographic camera. That lens (on the same distance to the GG as the film would be) has...
Forum: Alternative Imaging Methods January 26th, 2005, 05:19 PM
Replies: 77
Views: 17,526
Posted By Oscar Spierenburg
Aaron, the lens is a (photographic) cosinon (auto...

Aaron, the lens is a (photographic) cosinon (auto MC)
F=1,7 f=50mm
no. 756105

That's what it says on the front. I know it's a cheep one, but it is very smooth and light in focusing, that’s why...
Forum: Alternative Imaging Methods January 26th, 2005, 09:14 AM
Replies: 77
Views: 17,526
Posted By Oscar Spierenburg
The site of the century optics lens says it has a...

The site of the century optics lens says it has a wider view, so does this mean the lens is thicker in the middle or narrower?

If there is an optic expert amongst us, could he make a calculation...
Forum: Alternative Imaging Methods January 25th, 2005, 05:22 PM
Replies: 42
Views: 8,399
Posted By Oscar Spierenburg
1x 35mm 2x DV project

I've started a new tread, so people who haven't read the other one can follow my intentions quickly.

I'm making a 35mm adapter where the image projected on the ground glass is split in left and...
Forum: Alternative Imaging Methods January 24th, 2005, 05:33 PM
Replies: 0
Views: 2,086
Posted By Oscar Spierenburg
Separate viewfinder.

For my double camera (almost ready to finish technically) I'd probably need to build a separate viewfinder because the image is split to two cameras.
But for other people it would also solve the...
Forum: Alternative Imaging Methods January 24th, 2005, 01:57 PM
Replies: 15
Views: 5,719
Posted By Oscar Spierenburg
We hijacked the tread a little with the...

We hijacked the tread a little with the anamorphic discussion, but the other points by LaPoint also interest me. I'm making the double camera system (no one is very interested, which I understand,...
Forum: Alternative Imaging Methods January 24th, 2005, 01:38 PM
Replies: 10
Views: 2,460
Posted By Oscar Spierenburg
I didn’t use a good condenser on my first...

I didn’t use a good condenser on my first prototype and got very dark corners. Now I used a very big and thick lens from a photo developer, like I said. It makes the picture brighter and a little...
Forum: Alternative Imaging Methods January 24th, 2005, 06:36 AM
Replies: 15
Views: 5,719
Posted By Oscar Spierenburg
Would this work? ...

Would this work?

http://s01.picshome.com/52a/anamorph.jpg

Those water prisms are made easily, I just don’t have enough space to put two between the 35mm lens and the GG.
Showing results 676 to 700 of 725
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