🔍 Discover the Magic of Polarization!
The Linear Polarization A4 Sheet Polarizer is a high-quality optical filter designed for educational purposes, featuring a thickness of 0.2mm and dimensions of 8.27" x 11.69". It offers excellent light transmission from 400 to 700nm and an outstanding extinction ratio, making it perfect for physics experiments and demonstrations. Available in various sizes, this polarizer is a must-have for anyone looking to explore the fascinating world of light.
A**G
Worked Perfectly
This worked perfectly for me. I'm no expert but it appears to me that this sheet is of high-quality. I cut it into pieces using scissors. When two pieces are at 90 degrees it looks totally black both viewing sunlight and my monitor. Rotating a piece while viewing the monitor shows that the monitor is polarized and there is a spot where the monitor cannot be viewed at all. The same experiment thing with sunlight shows no effect at all as expected.The sheet arrived in perfect condition. Even though it was slightly rolled when placed in my mailbox it suffered no ill effects. It came in a protective plastic bag and also had a thin protective film on both sides. I'm delighted with the quality of this item.
R**
Works great
Same shade/color as oem. Have bought others that had a gold hue instead of gray
B**O
Great for physics demonstrations
I bought these to be able to demonstrate various effects with polarized light, and this polarizer has exceeded my expectations in quality. I cut the sheet up into 4 smaller sheets so I could demonstrate crossed polarizers, quantum spin effects, and rotating electric fields in corn syrup. I have also used these to see polarization in reflective surfaces, the sky, and laser light. So far I haven't had any durability issues with the coating, but I have been treating them carefully and haven't had them for too long
S**Z
Es lo que es
Es un plástico polarizado para ponerlo a tu luz y y así no golpee tan fuerte e incluso ver mejor el lugar hacia donde enfoques, no hay más misterios ahí
J**S
Perfect for microscopy
This is an excellent polarizing sheet; it is covered on both sides by a protective film - this prevents scratching prior to use, which is important in my field (remove film from both sides prior to use).I cut the sheet into smaller fragments and use them in microscopy work. Important: in order to polarize tissues with this sheet, the top fragment (analyzer) needs to be directly on the glass slide, otherwise you cannot focus properly. The bottom fragment (the polarizer) can lie on the diaphragm of the microscope; you rotate the bottom fragment while the top piece rests on the slide. A cheap alternative to a set of microscope polarizing filters.
B**N
Great polarizer, Made for a great birthday party surprise!
Very clean polarizer.Caution: If you learn about polarizers, you will discover that it is not a true filter, but changes the light rather than filtering. This can be altered by a nearby substrate like the protective sheet. So the polarizer effect is the strongest once you remove the protective coating. I was worried that it was not a good polarizer until the sheet was removed which allowed it to block more polarized light.Made for a great Spiderwick Chronicles birthday surprise. My daughter wanted this theme for her birthday and if you have seen the movie, there is an element where he looks through a circular stone and suddenly he can see the magical world around him. After brainstorming on how I could achieve the effect, I found that an LCD monitor shows blank white if you remove the polarizing film. So I did that and inserted a piece of this polarizer into a fake circular stone for each kid. Then the magic was that they could search through the house and find the Magic Window (lcd screen) and they could see the picture only by looking through their stone. They loved it
G**E
DIY dashcam glare filter
I used this film to make a simple filter in an attempt to cut the interior reflections that come off the windshield and into my dashcam's lens. The results are fantastic.Rotate the film in front of the lens until the reflections are minimized, then cut and attach a small piece to the dashcam with a dab of superglue.
J**A
Not great replacement for resin printer polarizer.
Not a viable solution for my resin printer repair
Trustpilot
1 day ago
2 days ago