📏 Inch Line Diffraction Grating Sheet Review

Even if this is the amount you need, you will find it elsewhere. Like others, I had mine wrinkled and with small puncture marks. The package was whole and undamaged but when I opened it the foil was crumpled to fit the corner. It's also hard to tell, but I don't know how accurate the description of the item is. Please just find another one here, you will regret spending money on it.

The diffraction grating works well, with clear diffraction spots along two axes. I cannot confirm the accuracy of the line count. The main problem is the wrong packaging. It is sandwiched between two sheets of very cheap copier paper (much less than 20#) (this requires at least a sheet or two of cardboard). As a result, he came with wrinkles and creases. In addition, the cutting edges are serrated and look as if they were cut by hand - like with safety scissors in elementary school. Finally…

I plan to use this to make decorative candies. I haven't used it yet. However, it appears to be the right stuff. It's closer to 5 by 10 than it is to six inches by twelve. If this is the area you want, this will not work. It's also a lot thinner than I expected, more like medium weight cellophane than a plastic wrap. I was expecting something more like the pages you use for overhead projectors, although the description didn't say anything about that. Others have complained of wrinkles or…