4"x4" Solar Filter Sheet for Telescopes, Binoculars and Cameras

Works amazingly even though expensive I could see the sun which is great.

Ho acquistato questo filtro in vista dell'eclissi di sole prevista l'anno prossimo. Ho fatto qualche prova con la mia macchina fotografica (una bridge con lunghezza focale da 400 mm) e sono soddisfatto del risultato. Il filtro funziona bene e protegge perfettamente. Il pacco è arrivato in tempo e il contenuto all'interno è ben protetto.

Lo llevaba como repuesto para el eclipse, da una tonalidad anaranjada del Sol, lo tienes que montar en algo porque solamente es una pelicula muy delgada, yo pensaba que iba a ser una especie de acrilico pero no, de cualquier manera no me impidio utilizarlo, lo voy a seguir usando para fotografiar el Sol, cumplio su objetivo, muy satisfecho

La lámina llego en escasos 3 días en un sobre acolchado, perfectamente embalada y protegida. La adquirí para hacer un filtro y poder fotografiar el sol y las manchas solares con mi DSLR. El resultado obtenido es mejor de lo esperado. Si las condiciones meteorológicas lo permiten, el próximo 21 de Agosto de 2017 usare el filtro para disfrutar e inmortalizar el eclipse parcial de sol.

Full disclosure: First solar eclipse photo op for me! I have multiple total, and partial, lunar eclipses in my experience base but no solar chops! Until now. The Thousand Oaks Optical brand solar filter is quite economical, if you're on a tight budget, or just frugal by nature. And there's also the argument against buying an optical glass, dedicated size, filter for one lens or telescope aperture! The T.O.O. filter is metallized Mylar film, not glass! You can buy the size for the largest lens or telescope you own and then adapt it to smaller lens sizes as needed, with a bit of additional fabrication. I adapted the 4" X 4" filter to fit the sunshade of a 70-300mm zoom lens, which I could fit on, or remove as needed. I fabricated a filter mount from white card stock and Scotch Magic Tape. As such, the fit was secure enough to not need any additional support. If it was really windy, a few pieces of Magic Tape would have secured it to the sunshade! I made some test exposures well before the event started and dialed in a starting exposure and captured the image in pic 1. Sunspots are visible in the center and left of center. Cloud cover interrupted the rest of the event, and pics 2 and 3 are marred by wispy clouds moving across the frame. As my location was several hundred miles east of totality, the eclipse was a partial for me. I was happy to have caught what I did and gained some experience from it too. The filter performed exactly as presented! Please note: The filter can be used, as delivered, by simply folding and taping the corners to whatever optical device you plan to use. However, there's a risk of leaving a gap through which sunlight can pass, causing damage to the eye or optical gear! There are a number of sites online dedicated to amateur telescope making that have information on fabricating and adapting all sorts of gadgets and accessories for astronomy Do it right, you only have one pair of eyes. Safe viewing and clear skies!! Hope this helps

The item is a small sheet of solar film normally used for viewing the sun. The sheet I recieved came within two weeks of ordering. Other suppliers of these type of products seems to have problems filling orders due to the short time left before the next expected solar eclipse. The film was well packed and came in percect shape. The product appeared to be of very good quality and should work well for its intended purpose.