Is there any progress in cost lowering , for sunlight transfer , from rooves to internal spaces ? Currently assisting an architect with a large scale light transfer where we have available 18,000 sq ft of roof . contact me if this is of interest to inventor or researcher . I am contactable : email @ petersfield hotel dot com . thanks .

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Hmm. I don't know if I saw the same program about Himawari, or if it was something else--thought I remembered it was an episode of 'Believe it or Not.' For me, it was intriguing, the vegetation shown, which was lush and, as I recall, underground. Well, that was 40-odd years ago, so I may not remember correctly.

Based on Himawari's test report, the run of single optical fiber cable can be at 170m (557 ft) with light transmissivity efficiency 65.2%, this is far far better than any competitor at 40% left at only 20m, I rather install Solatube, the Solatube 21" dia efficiency at 20m is still much higher than 40%, but Solatube is then much cheaper.

Over the years, I have frequently been seen wearing two pair of glasses at the same time: my regular prescription, plus, a pair of reading glasses. Eventually, I had a special pair of prescription glasses made by my optometrist. That way, I could use those special “beading glasses” so all I needed was one pair for close work. Then, I met Jeff Caplan of CraftOptics. Right then I handed my glasses prescription to Jeff and let him work his magic. I’ve never looked back and am so happy for glasses that do so much.

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Above: Kim Leahy and students bead weaving during a Bead Fest workshop. In this picture alone there are various lights, magnifiers, and vision enhancement choices. | Photo by Jeff Litvack.

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Another great advantage of fibre optic lighting is that the fibres and/or end fittings can be permanently sealed in place, without having to worry about access to change bulbs.

So, I see that cost is a holdup. There has to be more to it than that. In fact, my guess is that cost is only a small fraction of the holdup. Someone in the industry want to comment?

These are our top 3 favorite magnifier options right now—there are so many others on the market, including jewelry loupes and reading glasses. Try before you buy then remember to use your favorite magnifier each time you bead or make jewelry. Protecting your vision is part of a good long-term making strategy.

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we are trying to provide some pricing idea with the similar length 20m optical cable which is about the max length from Parans, our list price are about US$25,000 for a set 12 lens outdoor unit plus 2 pcs each 20m cables with two lamp fixtures.

Julie Sanford, Bead Fest instructor and owner of Studio JSD says, “My Optivisor is one of the most essential tools on my bench, if not THE most. I absolutely cannot do fine detailed work without it. The Optivisor offers a close-up view that I can’t get with regular reading glasses and helps with everything from fitting small parts together to stone setting and micro finishing. I recommend using an Optivisor to students and professional makers at every opportunity.”

If you are not sure you are ready for some optic support, or you are feeling less than fashionable, I get it. I will never forget my husband’s words when, for the first time, he turned around and saw me wearing an Optivisor while working on a project in our dining room, “What the heck. The blinds are open, and the neighbors might see you!” He was just teasing but I was so thankful I could finally see what I was doing that worrying about what I looked like was not at all a concern.

Fiber optics is a part of applied science and is mainly used in communications. The sensors are specially designed fibers, which are used here to get the daylight effect. Thanks for the info.

Why is the concept so unknown and why are the materials still so expensive?  I would have thought the enviros would have been all over this years ago, and costs would have come down as usage went up.  But all I ever see is accent lighting, pool lighting, ads and décor lighting.

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Since you only mentioned the Himawari is expensive at US$100,000, but you did not tell what items are inclusive, this is not too fair to Himawari, this US$100,000 can be just indicated the content with a set 12 lens outdoor unit, plus two nos. 150m optical fiber cables (each 492ft), wow, the length of optical fiber cable is just too long beyond your thought.

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Katie Hacker, Interweave content manager of bead and jewelry, says “Check out this cute little Daylight Yoyo collapsible magnifier lamp! When folded, it is small enough to fit in your purse or apron pocket. Extended, it provides bright light for color matching and a large 3.0x magnifying lens. I used the Yoyo to check colors while I was shopping at Bead Fest. And it was perfect for adding a few jump rings to my jewelry in my hotel room.”

I remember watching a PBS program as a kid about the Himawari system. They were growing tomatoe plants in the center core of a high rise building, and the only light provided was through the fiber cable. I've been waiting for a commercial application ever since- wonder why it isn't progressing faster?

My custom CraftOptics have glasses with a bifocal lens—and I can add more power by simply flipping the scopes down in front of my glasses. Plus, my CraftOptics have a light! CraftOptics not only enable me to see what I’m doing, my posture is better, I can see in rooms with poor lighting without disrupting others, and they’re easily changed to simply be my glasses again. Total game changer.

I've been waiting at least 20 years for large scale development of fiber optic lighting for homes and buildings.  Forget about the cost of tracking and funneling sunlight---couldn't you light a whole house with just one bright bulb in a reflector box?   I'm starting a big project designed to possibly be off-grid, in an area remote enough to worry about power loss, and planning a large solar array for many buildings, ranging from several cabins to three homes to a large community building to a large indoor riding arena and barn.  The amount of money I could save by not having to engineer my solar system to do all of that lighting is astounding even without the solar collection aspect.

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Seeing is a critical part of creating. Thankfully, there are a lot of options for improving what you see. I personally consider my favorite magnifiers for jewelry making part of my toolbox because I would be lost without them. Unfortunately, wearing glasses connotes “getting older” to some. But even those makers appreciate the fact that magnification allows them to see the beauty (or the mistakes in a pattern, solder joint, piercing line, etc.) in front of them.

I'm looking at fiber as a means of creative lighting, tayloring an 'environment' around the house, using the fibers in a creative way. I'm stunned, as was the other poster, that this hasn't been radically commercialized. "Real light, inside, anywhere, creative presentation allowed." I can even see it being set up that the light gets run through a prism (well, I don't know if this would work, but it's an interesting mental plaything) and that the results are used to manipulate interior environment.

just read this old post of year 2010 about optical fiber system, we are now assisting the Himawari optical fiber daylighting system to expanding their market

(2010, May 11). Fiber Optics for Daylighting. Retrieved from https://www.buildinggreen.com/blog/fiber-optics-daylighting

I want to know about the projects that is going on on solar lightning using fibre optics. Please send me details on my email address

TIP: Taking care of your eyes is so important! Please consider one of the following options before you strain your eyes and need more help than these can provide.