If this was applied to card with numbers or letters on it would it make it difficult to photograph?

A diffraction grating on a photographic camera lens makes rainbows which are more noticeable on the sides of intense light. Numbers or letters are less affected, because less intense in brightness.

Is it possible to transfer onto silicon?

Yes, but not directly. It seems to stick

Is this shipped on a roll? Or is it shipped flat, with a backing? Or is it just stuffed in an envelope?

This was NOT "shipped flat, with cardboard backing, in a padded envelope" as was suggested by the seller, but (as other reviewers have answered) by itself in a flimsy celliphane bag causing multiple scratches and folds. Buyer Beware!

Can I cut this down into smaller sizes? Looking to build spectroscopes with elementary kids.

Yes, this can be cut down. We too made a spectroscope with it. Cut just a bit wider than the opening; not too much wider as it doesn't wrap well around the sides of the tube.

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$Diffraction Grating sheet 1,000 lines/mm Linear 1 Foot x 6 Inches Wide$

Diffraction Grating sheet 1,000 lines/mm Linear 1 Foot x 6 Inches Wide

Product ID: 6611563

🌈Holographic Optical Elements for vivid spectra

📏1,000 lines/mm precision

📐1 ft x 6 in wide for versatile use

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MOP$209

Duties & taxes included

In stock

Sold byAmazon MacauDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌈 Unlock the hidden colors of light with precision and style!

GENEROUS VIEWING AREA - A full 1-foot by 6-inch sheet to capture broad spectral data effortlessly.
PRECISION ENGINEERING - 1,000 lines per millimeter for ultra-accurate light diffraction.
PLUG AND PLAY SIMPLICITY - No assembly or power needed—just unbox and start exploring light.
CRYSTAL CLEAR SPECTRAL ANALYSIS - Experience the brightest, sharpest spectra with minimal visual noise.
EDUCATIONAL PROFESSIONAL READY - Ideal for hands-on learning or advanced spectral research in any lab.

The Rainbow Symphony Diffraction Grating Sheet features 1,000 lines per millimeter embossed holographic optical elements, delivering the brightest and clearest spectral analysis possible. Sized at 1 foot by 6 inches, this plastic sheet requires no power or assembly, making it perfect for both educational and professional use in indoor scientific environments.

Specifications

ASIN	B007G0J1RU
Age Range Description	Baby
Best Sellers Rank	#145,667 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #691 in Plastic Sheets
Brand Name	Rainbow Symphony
Customer Reviews	3.2 3.2 out of 5 stars (129)
Educational Objective	To facilitate the study of light and color through direct viewing analysis spectra from various sources.
Indoor Outdoor Usage	Indoor
Is Assembly Required	No
Manufacturer	Rainbow Symphony
Manufacturer Part Number	01501-1FT
Material Type	Plastic
Model Number	01501-1FT
Operation Mode	Manual
Power Source	No external power source
Size	Medium
Supported Battery Types	No batteries required
Theme	Sports
Unit Count	1.0 Count

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