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We have an LG 3D tv supplied with two pairs of glasses but we required more for when friends visit. We found that original glasses were only available from Europe and were very expensive. We found these Ultra branded glasses on Amazon and purchased four at a very competitive price. When we tested them against the original ones we found that they were as good but were a bit heavy but we can live with that. Good product at a very good price that came with some very clear instructions.

Arrived quickly with free delivery. They work well, look reasonably robust and can be worn over prescription glasses. As is usually the case with 3D glasses, they may scratch if they are not cared for. They aren't supplied with cases, but come in plastic bags that can be peeled open and used to store them when not in use. From a lot of the other reviewers, it would appear that a lot of people don't realise that these require a *passive* 3D TV, displaying an actual 3D programme, which, nowadays requires a 3D Blu-ray player and 3D Blu-rays! They won't work with an *active* 3D TV, or where the 3D relies on colour coding (anaglyph), which usually requires red/blue glasses.

I bought these glasses and went to see "Avatar - Fire & Ash" in 3D at the Crawley Cinema, Sussex, only to find out that they did not work. Luckily the cinema provided their own 3D glasses which allowed me to eventually enjoy an enhanced experience of viewing the film.

Vey comfortable

I used the 3d glasses with my laptop screen trying to view 3d films but the item didn’t work perhaps it will work better at the cinema if they are screening 3d films.

I have a 3-D LG TV and bought these glasses to supplement the ones supplied with the TV. They are slightly larger, are more comfortable to wear and give a slightly greater field of view that the LG glasses. Highly recommended for anyone who wears glasses and are finding the spectacles supplied with their TV a tight fit.

They work perfectly on my new Sony (passive 3D) TV - was looking for the Sony glasses but they were out of stock - these were a bargain at around one third the price of Sony, however I find that they are slightly darker to view through than the Sony ones, but this is only minor and not an issue - this is the reason for four rather than five stars. Other than this they are fine and the 3D effect is great.

3D not showing

Un producto conforme con las especificaciones. Una buena relación calidad-precio. Es comodo y garantiza un buen angulo de visión. Se puede usar con cual marca de TV 3D pasivas

Ottima coppia di occhiali per il 3D passivi, ottimo design calzano e avvolgono abbastanza bene presi per LG tv 3D funzionano bene,per questo prezzo li consiglio

Excellent choix, ça marche avec tous les postes TV avec 3D passive ainsi qu' au cinéma pour visionner des films en 3D.

En sus efectos son parecidas a las legendarias de colores verde/rojo, pero cuando unas unas y otras, con la misma proyección, tus preferencias van más por las bicolor. En ventaja tienen estas "pasivas", que no parecen gafas para 3D, sino, aunque muy feas, parecen para corregir la visión de miopes... No las recomiendo.

Creo que es de los pocos productos a los que he puesto una mala puntuación. El envío llegó tarde (2 días después de la fecha establecida), en el paquete (caja tipo sobre de Amazon) iban tanto este pedido como otro de gafas 3D para niños, con lo que iban prácticamente machacadas. Teniendo en cuenta además que el embalaje utilizado era una bolsa de plástico normal en cuyo interior van cuatro bolsitas más con las gafas. Hasta cuando te envían paquetes desde China viene mejor protegido. Ahora viene lo peor, y es que cuando compro un producto nuevo quiero ser yo el primero en abrirlo, en este caso, de las 4 gafas, 3 de ellas venían ya abiertas y con las huellas de dedos por todos lados de haber sido usadas o, cuanto menos, probadas. Si estuviésemos hablando de un producto reacondicionado lo entendería, pero es un producto comprado como nuevo. Creo que esta es la primera vez que me ocurre, estoy pensando seriamente en devolver dichos productos.