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BP-1212 - Silver-Black Polymer Solar Filter Film Sheet (12" x 12") - 1 ea
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- Dimensions: 12" X 12"
- Make your own solar filter for camera, telescope, finder, binocular or handheld eclipse viewer
- (Size shown in pictures is 8.5" X 11"); Solar image is yellow-orange; Made in USA
- Black polymer is the most common filtering material for observing sunspots and granulation through telescopes and binoculars; Consistent yellow-orange solar image, even density with any aperture, and flat surface compared to other thin film filters that have wrinkles and creases; (Sheet is shipped in between cardboard and does not include a storage case)
- REMEMBER, DO NOT VIEW THE SUN THROUGH AN UNPROTECTED FINDER SCOPE. MAKE SURE TO DETACH OR COVER YOUR FINDER SCOPE IF IT IS UNPROTECTED!
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Customer Rating | 4.7 out of 5 stars (813) | 4.5 out of 5 stars (289) | 4.5 out of 5 stars (1199) | 4.7 out of 5 stars (774) | 4.5 out of 5 stars (647) | 4.5 out of 5 stars (122) |
Price | $26.99$26.99 | $37.00$37.00 | $10.89$10.89 | $19.99$19.99 | $49.49$49.49 | $35.10$35.10 |
Sold By | Israeli First Aid & Shyh | AgenaAstro | Amazon.com | Orion Telescopes & Binoculars | Bestlight | Amazon.com |
Product description
Black Polymer sheets are commonly used to make home-made solar filters. Can be used for naked eye observation of the sun, telescopes, finders, and binoculars. - We only sell Thousand Oaks Optical (TOO) solar filters, the leading manufacturer that has been making safe solar filters for 35 years. - Safely view the sun anytime, including during all phases of an eclipse with TOO solar filter sheets, lens filters, glasses, or viewers. TOO's exclusive high quality substrates provide superior safety features, sharper solar images, and a pleasing orange solar image. All products meet CE requirements. Only TOO has CE and ISO certification. Safe for unlimited visual and photographic use. Transmission: 1/1,000th of 1% (Optical Density 5). - TOO products were exclusively chosen by NASA for use aboard the Space Shuttles. Other professional users include: ABC, BBC CBS, NBC, CNN, NOVA, The Discovery Channel, National Geographic, and most major universities and observatories throughout the world. TOO uses the latest technology for manufacturing and developing new products. Tens of thousands of their solar filters and millions of their solar eclipse viewers are used world wide.
Product information
Size:12 InchesPackage Dimensions | 12 x 12 x 0.01 inches |
---|---|
Item Weight | 7.1 ounces |
ASIN | B00DS7SSEW |
Item model number | BP-12 |
Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank |
#9 in Telescope Filters
|
Is Discontinued By Manufacturer | No |
Date First Available | July 4, 2013 |
Manufacturer | Thousand Oaks Optical |
Warranty & Support
Feedback
Important information
Safety Information
See Enclosed Instructions.
Customer reviews
Top reviews from the United States
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By RUSH MLC on July 30, 2017




But, when I finally got my filter built, and slipped over the scope, I was a little shocked. . . the sun spots were so vivid, and the sun's surface is clearly quite turbulent.
I also really like the coloration. I've seen photos taken with the Baeder film (which produces a white image) wherein the photographers used software to add some yellow color to their images . . . in the end, their images looked just like what you see through this black polymer.
(The photo of the sun below was taken with my cell phone held up to the eyepiece. It really doesn't do this filter justice.)

By Bekroogle on November 10, 2014
But, when I finally got my filter built, and slipped over the scope, I was a little shocked. . . the sun spots were so vivid, and the sun's surface is clearly quite turbulent.
I also really like the coloration. I've seen photos taken with the Baeder film (which produces a white image) wherein the photographers used software to add some yellow color to their images . . . in the end, their images looked just like what you see through this black polymer.
(The photo of the sun below was taken with my cell phone held up to the eyepiece. It really doesn't do this filter justice.)


Update****
Thus sheet was enough for me to make 2 solar filters. I also have a celestron 130slt telescope and the cap cover it came with has another smaller cap that pops off leaving a small opening. I cut small square from this solar filter sheet and taped it from the inside of the cap cover. This morning I went outside to test it and it Worked! Now I have a solar filter for both my telescopes and it costed me less than $25!!. I took some pics of the cap cover from the 130slt

By IshopALOT on June 2, 2017
Update****
Thus sheet was enough for me to make 2 solar filters. I also have a celestron 130slt telescope and the cap cover it came with has another smaller cap that pops off leaving a small opening. I cut small square from this solar filter sheet and taped it from the inside of the cap cover. This morning I went outside to test it and it Worked! Now I have a solar filter for both my telescopes and it costed me less than $25!!. I took some pics of the cap cover from the 130slt











By Syd on January 28, 2017

Included picture is the best one I got, which is blurrier than it should be due to the turbulence in the atmosphere that day. Color removed and levels adjusted to show greater contrast in the visible features; the filter doesn't seem to add any unusual or disagreeable color to the sun.

By Istas on February 12, 2016
Included picture is the best one I got, which is blurrier than it should be due to the turbulence in the atmosphere that day. Color removed and levels adjusted to show greater contrast in the visible features; the filter doesn't seem to add any unusual or disagreeable color to the sun.

Using this, I got some photos of the sun (attached). You can see the small sunspot clearly. Definitely recommend this product if you are planning to go to the eclipse in 2 weeks or if you want to take photos of the sun in general.

By Amazon Customer on August 4, 2017
Using this, I got some photos of the sun (attached). You can see the small sunspot clearly. Definitely recommend this product if you are planning to go to the eclipse in 2 weeks or if you want to take photos of the sun in general.


I tested it against various high-brightness sources such as high intensity 5W LED flashlights, and a 100mW 395nm UV laser. You could see the LED die structure in great detail with the minimal amount of light that would pass. This filter material would be perfect for inspecting LED die structures or as a means of taking low intensity measurements for quality control. The UV laser would not pass through the filter at near 100%. Only the occasional photon or two would pass when moving the laser at different angles, due to what I think is scattering. I tested some of the recalled solar viewing glasses from China and found that there was varying degrees of UV light passage in about 30% of my sample. Please, folks, don't do this kind of testing with your eyes and instead use a camera as a sensor.
I made various camera filters out of the filter film by carefully tracing the glass element of a disassembled UV filter and then reassembling the filter with the film behind the glass. Even my besting cutting skills weren't enough to prevent imperfection around the edges, and that is why I put it on the backside. The compression of the glass ensured the filter film was against the back inside edge of the black anodized aluminum UV filter assembly and prevented any light bleed. Ideally, laser cutting these would be better.
For personal viewing with my 20-100 x 70mm monster binoculars, I crafted two identical cardboard tube rings around the outside edge of the objective lenses with a few wraps of coiled 2" wide card stock cut from cereal boxes and then a few wraps of tape to hold them together. I then put strong double-sided tape around the outside of the tube rings. The filter film was cut into 3/4" oversized circles using appropriately sized round plastic food containers as a template. I then set the binoculars upright with these card stock ring sleeves and centered them over the pre-cut circular filter films. With everything aligned and pressed against the filter film and a cutting surface, I cut outward radial slits into the film "over-sized area" around the peripheral of the card stock rings at 1/2" intervals. This allows one to fold these "flaps" of film onto the sides of the tubes and double sided tape, to tape everything together. A few more layers of silvered Mylar tape were wrapped around these flaps to seal everything up.
Complete totality was observed from Franklin, MO, which is on the center line of totality for the GAE and provided us 2m 39s of viewing. The local weather conditions were slightly hazy, and so we were able to make out detail on the surface of the moon due to the slight dimming of the Corona. It was the most amazing astronomical convergence I've ever seen. If you missed it, you really missed it.
Top reviews from other countries

So, all in all, I'm pleased with this solar filter.

Reviewed in the United Kingdom on July 26, 2020
So, all in all, I'm pleased with this solar filter.





I am attaching one image to show the comparison of color & brightness (note ISO and exposure) between this filter and the Baader film. I am attaching an additional one through a 2x barlow and a CLS filter that is a stack of a few hundred frames of a Canon 550D video crop mode movie to show the difference in detail of the Thousand Oaks and the Baader after full processing and sharpening (and both color adjusted to a pleasant yellow). All images were taken with a Skywatcher Evostar 80ED Pro.
PS. You might notice that one side is more shiny. Most people have that side facing the sun to reflect more heat, but there are no actual instructions about it from the manufacturer so don't worry if you installed it the other way, it seems to function the same both ways.

Reviewed in the United Kingdom on September 10, 2016
I am attaching one image to show the comparison of color & brightness (note ISO and exposure) between this filter and the Baader film. I am attaching an additional one through a 2x barlow and a CLS filter that is a stack of a few hundred frames of a Canon 550D video crop mode movie to show the difference in detail of the Thousand Oaks and the Baader after full processing and sharpening (and both color adjusted to a pleasant yellow). All images were taken with a Skywatcher Evostar 80ED Pro.
PS. You might notice that one side is more shiny. Most people have that side facing the sun to reflect more heat, but there are no actual instructions about it from the manufacturer so don't worry if you installed it the other way, it seems to function the same both ways.





Reviewed in the United Kingdom on December 2, 2020


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