I have a substantial collection of doujinshi, enough to fill most of an Ikea bookcase. That amount will almost certainly increase so it's important to keep track of it in some way. There used to be a website where people could do exactly that with their collections. It was easy to use and comprehensive, making it very useful. Then the owner of that site fucked off and disappeared, and thus so did the site itself. There's another site that aims to fill that void but it has a long way to go. It's not as comprehensive as the previous site, and not as easy to use.
"I should take pictures of my doujinshi so I have a reference to what I already have so I don't buy the same thing twice!" And set up those pictures in such a way that I can organize and access them when not at home. Well, let's worry about that part later and work on the image collection first. The phone would work. Or I could use the DSLR I already have which gives me full control over the shutter speed, aperture, ISO, flash, and so on. Do I really want to freehand either of those for what is literally thousands of these books?
Well, I have a scanner. Why not that? In order to avoid the moire effect and avoid it looking over-exposed, it takes almost a minute per scan. That would be fine if I only had a small percentage of what I have now. Even a few hundred would be tolerable. Two or three thousand books will take a long time. Still valid if needed. But do I need to do it that way?
The camera only needs a couple seconds at most per picture. Since DSLR shutter mechanisms are rated for hundreds of thousands of movements and in rapid succession, this sort of task should be easy for the camera. It's like it was designed and built just to take pictures. The weakness there is it needs to be about 14 or 15 inches away from the subject to get a standard B5 in frame, with the 24mm pancake lens. (To use my 50mm lens, it would have to be almost 30 inches away.) I also thought about using a regular zoom lens but felt a prime lens would be better. Lens selection is a whole other can of worms. This also needs to be repeatable. I have a tripod. It is a very nice tripod. Tripods are really better at holding the camera horizontally. For this, the camera needs to be pointing straight down.
But who am I to pass up a reason or excuse to build things? Hence, I built something out of extruded aluminum T-slot rail, so I can mount my DSLR to it and use a remote shutter control. This also gives me the ability to mount lights, add light-diffusing panels to cut down on glare, and just generally make it sturdy. By keeping the camera still and adding lots of light, I can get away with slightly stopping down the aperture for a better depth of field and bottom out the ISO to 100. Basically, a light-box gantry.
There's a slight wrinkle when it comes to some of the larger books: The gantry doesn't put the camera high enough; it needs another 3 inches. If I was a thinking man, I would have designed the overall dimensions to account for that, and just designed a base plate with an adjustable height or worked in a focusing rail. You know what, it's fine as it is. I have maybe 30 of those larger books, so I don't see much point in including capacity for them when that quantity is within reason with the scanner. I can add that later if needed.
So far, it's pretty sturdy, while also being lightweight. Whether or not it works out, when I'm done I can use it for another project. Apparently there are similar setups for scanning developed film, and I also have a 100mm macro lens.
All this for what amounts to keeping track of dirty comic books.
"I should take pictures of my doujinshi so I have a reference to what I already have so I don't buy the same thing twice!" And set up those pictures in such a way that I can organize and access them when not at home. Well, let's worry about that part later and work on the image collection first. The phone would work. Or I could use the DSLR I already have which gives me full control over the shutter speed, aperture, ISO, flash, and so on. Do I really want to freehand either of those for what is literally thousands of these books?
Well, I have a scanner. Why not that? In order to avoid the moire effect and avoid it looking over-exposed, it takes almost a minute per scan. That would be fine if I only had a small percentage of what I have now. Even a few hundred would be tolerable. Two or three thousand books will take a long time. Still valid if needed. But do I need to do it that way?
The camera only needs a couple seconds at most per picture. Since DSLR shutter mechanisms are rated for hundreds of thousands of movements and in rapid succession, this sort of task should be easy for the camera. It's like it was designed and built just to take pictures. The weakness there is it needs to be about 14 or 15 inches away from the subject to get a standard B5 in frame, with the 24mm pancake lens. (To use my 50mm lens, it would have to be almost 30 inches away.) I also thought about using a regular zoom lens but felt a prime lens would be better. Lens selection is a whole other can of worms. This also needs to be repeatable. I have a tripod. It is a very nice tripod. Tripods are really better at holding the camera horizontally. For this, the camera needs to be pointing straight down.
But who am I to pass up a reason or excuse to build things? Hence, I built something out of extruded aluminum T-slot rail, so I can mount my DSLR to it and use a remote shutter control. This also gives me the ability to mount lights, add light-diffusing panels to cut down on glare, and just generally make it sturdy. By keeping the camera still and adding lots of light, I can get away with slightly stopping down the aperture for a better depth of field and bottom out the ISO to 100. Basically, a light-box gantry.
There's a slight wrinkle when it comes to some of the larger books: The gantry doesn't put the camera high enough; it needs another 3 inches. If I was a thinking man, I would have designed the overall dimensions to account for that, and just designed a base plate with an adjustable height or worked in a focusing rail. You know what, it's fine as it is. I have maybe 30 of those larger books, so I don't see much point in including capacity for them when that quantity is within reason with the scanner. I can add that later if needed.
So far, it's pretty sturdy, while also being lightweight. Whether or not it works out, when I'm done I can use it for another project. Apparently there are similar setups for scanning developed film, and I also have a 100mm macro lens.
All this for what amounts to keeping track of dirty comic books.