---
product_id: 434848529
title: "Diffraction Grating Slides - Double Axis 13,500 Line/Inch, Package of 50"
brand: "rainbow symphony"
price: "₪151"
currency: ILS
in_stock: true
reviews_count: 13
category: "Rainbow Symphony"
url: https://www.desertcart.co.il/products/434848529-diffraction-grating-slides-double-axis-13-500-line-inch-package
store_origin: IL
region: Israel
---

# 13,500 lines/inch double axis precision Brightest spectrum with minimal visual noise Highly efficient embossed holographic optical elements Diffraction Grating Slides - Double Axis 13,500 Line/Inch, Package of 50

**Brand:** rainbow symphony
**Price:** ₪151
**Availability:** ✅ In Stock

## Summary

> 🌟 Illuminate your world with spectral precision and vibrant color magic!

## Quick Answers

- **What is this?** Diffraction Grating Slides - Double Axis 13,500 Line/Inch, Package of 50 by rainbow symphony
- **How much does it cost?** ₪151 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/434848529-diffraction-grating-slides-double-axis-13-500-line-inch-package)

## Best For

- rainbow symphony enthusiasts

## Why This Product

- Trusted rainbow symphony brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Educational & Engaging:** Transforms the study of light and color into an unforgettable, hands-on experience—ideal for science classrooms and creative professionals.
- • **Spectral Brilliance Unleashed:** Experience the brightest, clearest light spectrum with minimal distractions—perfect for professional demonstrations and curious minds alike.
- • **Versatile Projection Compatibility:** Seamlessly integrates with overhead and 35mm slide projectors for dynamic, eye-catching spectrum displays.
- • **Bulk Pack for Sharing & Experimentation:** 50 high-quality slides ensure you never run out, making it easy to share the wonder of light with your team or audience.
- • **Precision Engineering at 13,500 Lines/Inch:** Double axis diffraction grating delivers ultra-fine spectral separation, elevating your optics experiments to the next level.

## Overview

Rainbow Symphony’s Diffraction Grating Slides feature a double axis 13,500 lines per inch holographic optical element that produces the brightest, clearest spectra with minimal visual noise. Sized at 2" x 2", these slides are perfect for direct spectral analysis and projection via overhead or 35mm projectors. Ideal for educational, scientific, and creative applications, this bulk pack of 50 ensures ample supply for demonstrations and experiments.

## Description

Double Axis 13,500 line/in. Our Holographic Diffraction Gratings are highly efficient embossed Holographic Optical Elements (H.O.E.). Diffraction Gratings are used for the direct viewing and analysis of spectra from different gas tubes and other light sources. The quality of the spectrum produced from our gratings is the brightest possible with a minimum of distracting visual noise. Our gratings are the principal component in a spectroscope and are used for experiments pertaining to the study of light and color. Project a spectrum using an overhead projector or 35mm slide projector for spectrum demonstration purposes. Use in conjunction with colored film gels for additive and subtractive color demonstrations. 2" X 2".

Review: Fun little things to give out to people. - These diffraction gratings are amazing little things. There are 1000 lines per millimeter, causing light to be separated into the various components, like a prism would do. They're great gifts for curious minds. I give them out to people at the checkstand often, just because. The irony is that if you buy a pack of 20, it only costs around ten bucks, where if you only buy a pack of ten, it costs 12 bucks. Very strange indeed.
Review: Excellent Product - I got the 500 lines/mm and it works amazing. Using an extremely narrow slit, I was able to see Frauhofer lines in sunlight (never look directly at the sun) I calculated that there are actually about 521.7 lines/mm. Make sure to check the value against a source with a known wavelength if you want to do quantitative applications.

## Features

- Makes the study of light and color fun and unforgettable
- Features highly efficient embossed Holographic Optical Elements
- Used for the direct viewing and analysis of spectra from different gas tubes and other light sources
- Spectrum produced from our gratings is the brightest possible with a minimum of distracting visual noise
- Great for overhead projector or 35mm slide projectors

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00K6K3DD0 |
| Best Sellers Rank | #35,765 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Science Classroom Optics Kits |
| Date First Available | July 23, 2014 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.71 ounces |
| Manufacturer | Rainbow Symphony |
| Product Dimensions | 2 x 2 x 0.13 inches |

## Images

![Diffraction Grating Slides - Double Axis 13,500 Line/Inch, Package of 50 - Image 1](https://m.media-amazon.com/images/I/51UnnOEFuWL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fun little things to give out to people.
*by R***N on September 27, 2025*

These diffraction gratings are amazing little things. There are 1000 lines per millimeter, causing light to be separated into the various components, like a prism would do. They're great gifts for curious minds. I give them out to people at the checkstand often, just because. The irony is that if you buy a pack of 20, it only costs around ten bucks, where if you only buy a pack of ten, it costs 12 bucks. Very strange indeed.

### ⭐⭐⭐⭐⭐ Excellent Product
*by K***E on August 28, 2024*

I got the 500 lines/mm and it works amazing. Using an extremely narrow slit, I was able to see Frauhofer lines in sunlight (never look directly at the sun) I calculated that there are actually about 521.7 lines/mm. Make sure to check the value against a source with a known wavelength if you want to do quantitative applications.

### ⭐⭐⭐⭐⭐ See the spectrum of a light source (Is it halogen, fluorescent, metal halide?) without an expensive meter.
*by D***S on October 3, 2015*

These are great for understanding how lighting works. If you look at an incandescent light bulb through the slide and a little askance, you see a stretched out version of the light that looks like a rainbow. But if you look at a fluorescent source, you instead see multiple copies of the fixture in discrete colors (shades of red, green and blue) that reveal that the light comes from phosphors that emit these colors. Even if these lights claim to be "full spectrum", the actual spectrum is a discrete sampling of frequencies which together let us see as if the full spectrum were present. Various industrial lights, such as metal halide parking lot lights, have unique and identifiable spectrums. If you want to tell one type of light from another, these slide are infinitely more portable and cheaper than $5000 electronic meters! That said, people don't immediately get the knack of looking askance at a light through a slide. A fancy meter will work better for customer presentations.

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-02-23*