Will it chop frozen grapes?

I just tried. This is ineffective against frozen grapes.

What is the difference between the various options?

Basically the line spacing. We offer 500 ln/mm, 1000 ln/mm and cross axis 13,500 line/ in. The 1000 ln/mm spreads the spectrum the most.

Your scale is backwards. Red is the longer wavelength.

I think they meant the scale to be applied to the rainbow colors of the plastic part itself (just as a side reference relating color and wavelength), since the positions of colors on the grating depends on angles etc., they aren't tied to a specific position on the grating anyway.

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🌈 Unlock the spectrum of possibilities with every slide!

DOUBLE AXIS DESIGN - Dual-axis diffraction maximizes spectrum range and clarity, perfect for advanced light and color research.
MULTIPACK VALUE CONVENIENCE - Pack of 10 slides ensures you’re always ready for experiments, presentations, or creative projects.
SPECTRAL BRILLIANCE UNLEASHED - Experience ultra-clear, bright spectra with minimal visual noise for professional-grade light analysis.
PRECISION ENGINEERED 13 500 LINES - High-density grating ensures detailed and accurate spectral dispersion every time.
VERSATILE PROJECTION COMPATIBILITY - Seamlessly integrates with overhead and 35mm slide projectors for dynamic demonstrations.

This 10-pack of 2x2 inch double axis diffraction grating slides features 13,500 lines per inch, delivering bright, noise-free spectral projections. Designed for professional light and color research, these holographic refractor grates are compatible with overhead and 35mm projectors, making them essential tools for precise spectral analysis and educational demonstrations.

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Manufacturer	Rainbow Symphony
Part number	01602-10
Item Weight	9 g
Package Dimensions	8.99 x 6.1 x 1.09 cm; 9 g
Is Discontinued By Manufacturer	No
Size	10-Pack
Number Of Pieces	10
Batteries Included	No
Batteries Required?	No

Diffraction Grate Slide-Double Axis 13,500 Lines/2x2 Inch Pack of 10

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