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Forum: DIY Screen Development and Testing   08-12-13, 10:34 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Just got some polyester mesh screen printing fabric. Works very well as a light diffusing layer and is cheap. $27 for a piece large enough for a 120 inch screen.

It works well as rear projection...
Forum: DIY Screen Development and Testing   08-12-13, 08:17 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I am using a cell phone camera. As an FYI, saying "no offense" before saying something offensive doesn't stop it being offensive. I don't have to post anything. I don't get paid for this.

They...
Forum: DIY Screen Development and Testing   08-12-13, 08:12 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

On the pics in the last post, I wanted to ask if anyone had tried a hybrid approach for rear front projection.

Normally, rear projection is only possible where there is sufficient space behind...
Forum: DIY Screen Development and Testing   08-12-13, 06:23 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I will explain these pics in a sec.
Forum: DIY Screen Development and Testing   08-12-13, 06:19 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I am not sure yet on the aluminum. From the research I have done, there are a number of options which all have their own strengths and weaknesses. It seems like the initial finish and the coating...
Forum: DIY Screen Development and Testing   08-08-13, 04:31 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

The screen in the video is about 48 inches high. The sample is one of my earlier attempts and has several uniformity issues. Mostly related to my diy skills, or lack there of. There is a patch on the...
Forum: DIY Screen Development and Testing   08-08-13, 12:43 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

For the non-believers. If this isn't enough proof then I can only assume you are currently wrapping yourself and your home in aluminum foil because "they are listening".

Black screen proof -...
Forum: DIY Screen Development and Testing   08-08-13, 11:44 AM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Check out the latest video showing the test using a 700 lumen projector. You can clearly see it is not a joke, or a really small screen. The screen in my pics is 80 inches and the projector in a lot...
Forum: DIY Screen Development and Testing   08-08-13, 11:34 AM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I was using a translucent rear projection material which is similar to the 3m product but a lot cheaper. I haven't taken delivery of my 35% tint material yet or the reflective film. The fabric...
Forum: DIY Screen Development and Testing   08-08-13, 11:20 AM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I doubt they used paint on the Sony. I am guessing it is printed on a litho press and then additional layers added on some kind of digital press like an hp indigo. It you look closely, it almost...
Forum: DIY Screen Development and Testing   08-07-13, 11:06 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I can get some pics of the two side by side. As it stands right now. I prefer the look of the dynaclear if I am directly in front of it. As soon as you move a little off center, I prefer my diy mix....
Forum: DIY Screen Development and Testing   08-07-13, 09:37 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Just for you.

I tested the black-screen with my smallest projector. This thing is a real piece of cr*p. It was meant to put out 700 lumens when new about 6 years ago. It hasn't had a new bulb...
Forum: DIY Screen Development and Testing   08-07-13, 08:01 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

The lowest I have tried the black screen on is a 2500 lumen projector. I have some lower powered devices too. I will try them and post some pics so you can see. They will work, it's just a case of...
Forum: DIY Screen Development and Testing   08-07-13, 07:53 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I only used the 7000 lumen projector for the Rosso after failing to get an image with anything else. I was using a 2500 lumen projector for the rest of the tests. There would not be much achievement...
Forum: DIY Screen Development and Testing   08-07-13, 07:19 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Good question Yiannis. The reason they say white is "forgiving" is because, in light, it is a mixture of all three primary colors your projector uses to make up its image. As odd as it sounds. Mixing...
Forum: DIY Screen Development and Testing   08-07-13, 06:39 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Latest diy black-screen test - best results yet. I'll explain in a minute.
Forum: DIY Screen Development and Testing   08-07-13, 04:27 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

For comparative purposes, some more pics taken at the same time as the ones in the last post.

Pics show a comparison with my diy black-screen mix, diy black-screen next to my black widow screen...
Forum: DIY Screen Development and Testing   08-07-13, 04:15 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Really bright sunlight today so perfect for testing my tinted film concept for making a diy black-screen.

As a baseline, here is a video of my black widow screen with a bright projector to show...
Forum: DIY Screen Development and Testing   08-07-13, 12:52 AM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

As requested, here are a bunch of links to video footage of my black screen tests. I have tried to show how bright the room is in each case. The first two show a comparison with a grey screen. It is...
Forum: DIY Screen Development and Testing   08-06-13, 01:09 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Thanks Patrik

The purpose of painting the aluminum on the back of the plexiglass is to take advantage of the smooth surface instead of trying to paint a perfectly smooth surface which is not...
Forum: DIY Screen Development and Testing   08-02-13, 07:46 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

BTW, I was thinking about a DIY optical louver solution and it occurred to me that this is how the privacy screens for computers work. 3m makes those micro louver film. I am getting a price on some...
Forum: DIY Screen Development and Testing   07-31-13, 06:06 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

Patrik

I am interested in what you were saying about frosted glass. Perhaps I can learn from your experience and save myself some time and cost.

Was the surface of the frosted glass you used...
Forum: DIY Screen Development and Testing   07-31-13, 05:53 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

It's hard to see exactly how bright the room is from photos but I can tell you that the room is well lit from 3 directions. A good portion of the light is sunlight coming in from the large double...
Forum: DIY Screen Development and Testing   07-30-13, 04:35 PM
Replies: 46
Views: 38,873
Posted By Daylightuser
Re: SI Black Diamond clone?

I know this discussion is old but I think it is still topical and I have something to add!

Firstly, just for information, Black diamond screens (made by DNP) use microscopic louvers printed into...
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