2358 - - 63-24 pinholes
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"If you draw it from scratch, as Reiko just did, it's perfectly fine. ......"
Jin says.
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However, that would take too much time to draw a complex magic circle.
Jin wonders if it is possible to apply the technology used on Earth.
(Television is ......, or is it ......<
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In other words, he thought of drawing an image by scanning lines left and right, and up and down, just like a TV,
（I concluded that it would not be very practical.)
(It doesn't seem to be very practical.) He concluded that it is not very practical.
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Jin was not familiar with this kind of technology.
"Then, I guess the method of projecting a magic circle using a <
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After deciding on the direction to take, the team then considers how to overcome the problems.
"How about a reflective type?
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There are a few overhead projectors (OHPs) that use such a method.
Although they are prone to problems of insufficient light intensity and color reproduction, they have the advantage of allowing handwritten manuscripts and photographs to be used directly (no need to copy them onto OHP film).
When Jin was a student in 2000, OHP was still used in schools and offices.
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Nowadays, projectors and huge monitors for projecting computer screens are available, so it seems to have fallen into disuse.
Jin had seen a reflective type once or twice.
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"If you draw a silver line on a black paper, it will look better," Jin suggested.
Jin suggested,
"I see. It would be easier to create the data or
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Eira agreed.
"I think we could use a black stone slab as the base of the <......> paper."
Gromma thinks it would be easier to use as a
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"Indeed. The floodlight will be a magical tool, so it's okay. ......"
"In this direction, it would have the advantage of being easy to make and inexpensive."
Katya gives his assessment from an economic point of view.
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"Then, the problem is still
As expected, Jin could not come up with an immediate solution.
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Then, Katya spoke up.
"In short, we just need to complete the unfinished magic circle when we want to use it, right?
"That's it!"
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Jin heard what Katya said and an idea flashed into his mind.
"We can leave a part of the trigger magic circle missing and fill in the missing part when we activate it.
"Wouldn't that require two projectors?"
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Groma raised a question in response to Jin's comment.
"No, that's not it. So, there is an advantage to using <> and <>."
Jin suggested that a part of the mold should be hollowed out or otherwise missing, and then inserted into the missing part as needed.
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"I see! Simple but effective.
Eira seemed to agree.
"I'm a little concerned about the manual method. ......
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Groma is a bit dissatisfied.
He had imagined that once the magic tool was activated, the rest would be automatic.
"In that case, we can just let the golem arm do the fitting operation.
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Jin, on the other hand, is not so sure. He thinks that the first step is to build it.
And then,
"Oh, then I should use a transmissive type instead of a reflective type, right?"
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He thought that if it is a transmissive type, he could complete the magic circle by overlapping them like celluloid pictures.
This is an idea that only Jin, who knows the culture of animation, could have come up with.
"So you draw a magic circle on a transparent glass. You superimpose them on each other ...... and maybe you can even superimpose magical effects on them?"
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Katya says in an amused tone, but Jin denies it.
"No, it won't work that way. You can experiment with it, but I think there is probably some kind of compatibility between magic circles, and magic that interferes with each other will be less effective."
If you put a fire magic circle and a water magic circle on top of each other, they would cancel each other out rather than both being activated.
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"But wouldn't it be possible to increase the effect of fire magic by overlapping fire magic?"
Katya bites back.
"No, I don't know about that either.
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EIRA countered this time.
"It's the same as 3D magic circle. The limited supply of free magic element (ether) would be a bottleneck.
"Oh, that's right. ......"
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Jin consoled the disappointed Katya.
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"No, this is just a theory. I think it is important to confirm it by experimentation."
"So, do you still think <
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Gloma Tolley says.
"If there is not enough light, it will not be able to project far enough.
"Well, maybe Groma is right.
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After some back and forth, it was finally decided to go with the transmissive type.
"In that case, will the magic circle be a black line?
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EIRE said, "If we draw the magic circle on transparent glass, it will inevitably be like that.
"Why don't you just scratch the black painted glass?"
"Oh, I see. That's a good idea!"
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It was a negative/positive mindset, but Jin was able to make such a shift immediately, partly because he had been exposed to such techniques in contemporary Japan.
"So you have a floodlight, and by inserting a
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"That would be the way to do it."
It seemed to me that if Katya, who was the least familiar with this kind of technology, could put it all together, it would be easy enough for anyone to understand.
"Well, will it work that way? Wouldn't it be a bit fuzzy?"
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"I think you are right to be concerned. I think you're right to be concerned about that, so we'll have to make some prototypes and try some things out.
Even the slide projector has an adjustable lens to adjust the focus of the projection.
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"I think we could use a pinhole for that."
Jin would like to reduce the time lag as much as possible without the need for focusing.
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If the image is projected and then focused (......), it would be one more step, which would slow down the process.
The reason for using a pinhole is that it has the disadvantage that the image is dark, but it also has the advantage that it is easy to focus.
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If a window is covered with cardboard and a small hole is made, the image through the hole is projected inverted.
When Jin was still a young boy at the facility, he was impressed and then wondered when the director demonstrated it to him.
Incidentally, it has a name <
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"That looks interesting!
"You know, Jin, you know some unusual things!
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"That's great, Jin-san!"
When he talked about the pinhole camera, Eira, Katya, and Groma were all interested in it, so Jin explained it to them without regard to the <