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Description
prisme decoratif en verre pour dispersion de la lumiere lumen prismaticaThe Lumen Prismatica an isosceles triangular optical prism made of high clarity H K9L optical glass. Dimensions: 25 25 80 mm. It diffracts white light into a cascade of crisp, vibrant rainbows. Used in photography, decoration, education, and visual art. A single ray of white light is enough for the effect. Rainbow from the first ray White light passing through the H K9L prism breaks down into all its wavelengths a crisp and vibrant colored dispersion,
The Lumen Prismatica — an isosceles triangular optical prism made of high-clarity H-K9L optical glass. Dimensions: 25 × 25 × 80 mm. It diffracts white light into a cascade of crisp, vibrant rainbows. Used in photography, decoration, education, and visual art. A single ray of white light is enough for the effect.
Rainbow from the first ray
White light passing through the H-K9L prism breaks down into all its wavelengths — a crisp and vibrant colored dispersion, immediately visible with any natural or LED white light.
High-clarity H-K9L optical glass
High-quality polished optical glass (H-K9L grade), ensuring maximum light transmission and distortion-free dispersion — the professional quality of scientific instruments.
Photo & video accessory
Widely used in photography to create natural rainbow effects, artistic blurs, and refractions in portraits and still lifes.
Elegant design decoration
Its minimalist shape and crystalline transparency integrate into any interior — office, living room, shelf, collection setup or zen space.
25 × 25 × 80 mm — isosceles triangle
Compact and ergonomic format — easily held in hand, placed on a desk, or used in front of a camera lens.
Original & symbolic gift
For light, art, photography or physics enthusiasts — a magical effect that always surprises on the first demonstration.
Lumen Prismatica — H-K9L glass · 25×25×80mm · isosceles triangle · rainbow dispersion
White light appears uniform — it is not. It is the superposition of all colors of the visible spectrum, each with its own wavelength. The H-K9L prism separates them by deflecting each at a slightly different angle: red, orange, yellow, green, blue, violet — a crisp and vibrant chromatic cascade appears on any surface. This phenomenon of dispersion, described by Newton in 1666, is made everyday and accessible by the Lumen Prismatica.
Uses
Photography & video
Create natural rainbow effects, dispersion, or artistic blur in your portraits, product shots, and videos.
Physics education
Ideal demonstration tool to illustrate refraction, dispersion, and the light spectrum in physics classes.
Interior decoration
Placed near a sunny window, it projects changing rainbows onto walls and ceilings depending on the time of day.
Visual art & contemplation
Symbolic and meditative object for enthusiasts of light, optics, and scientific aesthetics.
| Material | High-clarity H-K9L optical glass |
| Dimensions | 25 × 25 × 80 mm |
| Shape | Isosceles triangular prism |
| Main function | White light dispersion — rainbow effect |
| Light required | Any white light — natural or LED |
| Uses | Decoration · photo · video · education · visual art |
| Box contents | 1 Lumen Prismatica optical prism (polished glass) |
For best effect: orient the prism at about 45° facing a direct white light source (sun, white LED, desk lamp). Project the dispersion onto a matte white surface to see the colors of the spectrum in their full saturation. In photography, place it in front of the lens halfway to the focal point for a partial dispersion effect.
🎁 A gift of light for curious minds: H-K9L glass, 25 × 25 × 80 mm, immediate rainbow dispersion. An original and elegant gift for a birthday, Christmas or photographer gift — for any light, art, design or physics enthusiast.
Frequently asked questions
Is this prism glass or plastic?
Made of high-quality H-K9L polished optical glass — not plastic or acrylic. Optical glass ensures maximum light transmission, distortion-free dispersion, and a high-end crystalline finish that plastic cannot replicate.
What type of light should I use to see the rainbow?
A single ray of white light is enough — natural light (sun, overcast sky), white LED lamp, or desk lamp. The more concentrated and directional the source, the crisper and more separated the colors of the spectrum will be.
Can it be used as an educational tool?
Absolutely — it is ideal for demonstrations in physics classes on light refraction and dispersion. It perfectly illustrates the decomposition of white light into the visible spectrum, the phenomenon described by Newton in 1666 and fundamental in optics.
How to use it in photography?
Hold the prism in front of your camera or smartphone lens halfway to the focal point. Orient it towards a white light source to create natural rainbows in the frame, or tilt it for artistic blur and partial refraction effects.
Is it a good gift?
Yes — the Lumen Prismatica is an original and elegant accessory that appeals to light, photography, art, and physics enthusiasts. Its visual effect always surprises on the first demonstration, and its minimalist design fits into any interior.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Beta, Alpha, Omega oh my!
Format: Kindle
Omegas are precious and given to Alphas & their packs... but the Betas want in too. To this end, the Beta government is rolling out its trial of assigning a Beta to each Alpha-Omega pack. But forcing a Beta into a pack where they are not wanted will not end well... Of course, no one expected the Omega to fall for the assigned Beta. Great read and cliffhanger
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Reviewed in the United States on February 15, 2025
★★★★★ 3
A familiar story, just with…..less.
Format: Kindle
So, as other reviewers make clear, this is very similar to Pack Darling and The Beta. It’s much closer aligned with The Beta, in plot and maybe more like Pack Darling with characters.
That being said, I don’t hate this…..but it wasn’t great either. It’s both books mentioned but just….less. Less angst, less emotion, less feeling. The plot feels very half fleshed out, and the “bad guy” feels underwhelming. I didn’t really feel any real emotions from and of the male leads, except maybe Oliver. The others fell sorta flat for me. And Mika makes herself out to be this big bad ass straight outta training and then we never see it from here again with the one fitting room incident as the exception.
SPOILER:
The whole, “Oh, I’m actually probably an Omega, but I don’t wanna be but I do actually wanna be but no one can ever know my secret that I do nothing to hide “ thing fell so flat. She never commutes to believing she was secretly an omega, but also mentions her “secret” a lot. It just felt so manufactured.
I’m intrigued enough to read part 2 and see how the author closes everything out, but this is not one I’ll recommend or ever come back to.
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Reviewed in the United States on February 13, 2024
★★★★★ 5
Fantastic writing and non-stop action
Format: Kindle
This is a promising, fantastic beginning to what will be a 4-book series. Some readers may be content to read only the first 2 books, but I think you'll find that the story is so good that you'll want to keep reading books 3 and 4.
Book 1 is about omega Elvana's introduction to the "Starling" brothers and their search for another missing person, Kelly. It's a bit of a rocky start, with deception and betrayal a key element. Hardly an auspicious beginning. Each member has their own path and purpose in the pack. Their interactions and the resulting narrative are so well-written that I found it difficult to put down.
There is a cliffhanger that will have you reaching for book 2 as you finish, so make sure you have it on hand.
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Reviewed in the United States on September 27, 2023
★★★★★ 4
Fun read
Format: Kindle
I'm not really into mafia books but I love Roxy Collin's other series so I decided to give it a try. It had the same great romance, spice, swoon-worthy characters and exciting plot that are her signature. Arben was my favorite, although it was a bit sudden how quickly he changed from ignoring her to wanting to be pack. There were almost too many twists/layers of lies to keep track of but I'm looking forward to reading the other books.
The only thing that detracted from the story for me was the need for a bit more proofreading. It was mentioned that Kelly is a female and male at different points, leading me to think she changed her mind at some point about the character's gender but didn't go back and edit it to align in all places. Like another reviewer pointed out, step siblings are different than half siblings. They are incorrectly referred to as step siblings because they (allegedly) share the same biological dad. There are a few other typos as well but those aren't a big deal.
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Reviewed in the United States on March 18, 2025
★★★★★ 5
Stepbrothers, Secrets, and Sizzling Heat
Format: Kindle
Twisted Lies by Roxy Collins is a wild ride through family secrets, amnesia, and a steamy stepbrother romance. When Kelly discovers her life is built on lies, she ends up tangled with three alpha stepbrothers and an assassin who once helped her through a heat.
The tension? Off the charts!
The heat is real, and the complications are messy in the best way. Full of twists, secrets, and fated mates? You'll be hooked from page one!
Love omegaverse drama with a dash of taboo? This one's for you!
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Reviewed in the United States on September 10, 2024