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Baader Planetarium AstroSolar Solar Filter
Purchase options and add-ons
| Brand | Baader Planetarium |
| Material | Glass |
| Photo Filter Thread Size | 140 Millimeters |
| Coating Description | No Coating |
| Photo Filter Effect Type | Enhancing |
| Water Resistance Level | Not Water Resistant |
| Product Dimensions | 6.1"L x 5.51"W |
About this item
- Baader AstroSolar Safety Film with optical density 5.0 for white light solar viewing. Reduces intensity of Sunlight by a factor of 100,000 for safe solar observation or imaging with optical instruments.
- Make your own front-mounted solar filter for finderscopes, telescopes, binoculars, spotting scopes, or photo/video camera lenses. Not for use with solar viewer cards or glasses for unmagnified views of the Sun. Instructions included.
- With AstroSolar Film the Sun appears in its real color - neutral white (with a slight bluish tint). Other films and glass filters produce a blurry bluish or reddish/orange/yellow solar image which is not the natural color of the Sun!
- Produces high resolution, high contrast images of the solar disk that are far superior to those provided by any other comparable white light solar filter materials.
- Made in Germany by Baader Planetarium.
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Compare with similar items
This item Baader Planetarium AstroSolar Solar Filter | Baader Planetarium AstroSolar - Solar Filter for Observation (20 x 29 cm) | BP-1212 - Silver-Black Polymer Solar Filter Film Sheet (12" x 12") - 1 ea | 8"x8" Solar Filter Sheet for Telescopes, Binoculars and Cameras | Thousand Oaks Optical 6"x6" Solar Filter Sheet for Telescopes, Binoculars and Cameras | 4"x4" Solar Filter Sheet for Telescopes, Binoculars and Cameras | |
|---|---|---|---|---|---|---|
| Customer Rating | 4.4 out of 5 stars (65) | 4.5 out of 5 stars (71) | 4.7 out of 5 stars (257) | 4.7 out of 5 stars (525) | 4.6 out of 5 stars (506) | 4.4 out of 5 stars (681) |
| Price | $30.00$30.00 | $44.00$44.00 | $34.99$34.99 | $23.99$23.99 | $14.99$14.99 | $11.99$11.99 |
| Sold By | Agena Astro | Agena Astro | Israeli First Aid & Shyh | Gravitis LTD | Israeli First Aid & Shyh | Israeli First Aid & Shyh |
| Brand | Baader Planetarium | Baader Planetarium | Thousand Oaks Optical | Thousand Oaks Optical | Thousand Oaks Optical | Thousand Oaks Optical |
| Coating Description | No Coating | — | Multi Coating | No Coating | Multi Coating | No Coating |
| Material | Glass | — | polymer | polymer | polymer | polymer |
| Photo Filter Effect Type | Enhancing | Enhancing | Enhancing | Ultraviolet | Neutral Density | Ultraviolet |
| Photo Filter Thread Size | 140 millimeters | 95 millimeters | 0 millimeters | 20 cm | 30 millimeters | 1 millimeters |
| Water Resistance Level | Not Water Resistant | Not Water Resistant | Not Water Resistant | Not Water Resistant | Waterproof | Not Water Resistant |
Product Description
Solar filter film for sun observation and solar photography
- Includes instruction manual and cutting template
- Optical density (OD, also known as neutral density) = 5.0 This is due to the fact that only 1 / 100,000 of the sunlight passes through the filter.
- This filter is interferometrically tested!
For over 25 years on the market, this is the only sun protection filter foil which does not impair the optical wavefront and allows the application at high magnification without sharpness or contrast loss!
ECO-size: The smaller format makes it suitable for small telescopes, finders, binoculars, spectroscopes and camera lenses - and, of course, is much more cost-effectivey.
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Product information
| Product Dimensions | 5.71 x 6.5 x 0.08 inches |
|---|---|
| Item Weight | 0.704 ounces |
| ASIN | B072XPB9NS |
| Item model number | 2459286 |
| Customer Reviews |
4.4 out of 5 stars |
| Best Sellers Rank | #14 in Telescope Filters |
| Is Discontinued By Manufacturer | No |
| Date First Available | July 11, 2017 |
| Manufacturer | Baader Planetarium |
| Country of Origin | Germany |
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Top reviews
Top reviews from the United States
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It's a bit of a pain to put it together into a box style filter you can place on top of your lens. You aren't supposed to touch it without gloves on as the oils on your finger can damage it. I looked through it at the sun and may have damaged my eye - it does say they don't recommend using it for your eyes, even though they've never heard of it causing a problem. So I'm telling you now - a few seconds looking through it did not blind me, but did leave my eye seeing 'off', even a couple weeks later. So DON'T LOOK THROUGH IT AT THE SUN as it isn't meant for that.
I was told at a Canon eclipse workshop that this film was not good because it's shiny on both sides and there is a risk of reflections between the film and lens glass, causing 'ghosting'. So I ordered what they recommended, a Seymour Solar filter. I've attached pictures of the sun through both - this Baader filter is the whiter one, the Seymour is yellow. They seem fairly equivalent in image clarity, and color can always be adjusted after the fact. The Baader was much cheaper, but then I went with a glass one in a nice aluminum mount from Seymour as I found the Baader film a pain.
Little did I know that the Seymour glass also has the ghosting risk, I would have had to use their film to avoid that. Sigh. (Bad vibes going towards Canon rep for the partial information.)
Evaluate for yourself. The pictures are taken with a Sony a6000 wearing a cheap Opteka 500mm lens (750mm FF equivalent due to the APS-C sensor)
Reviewed in the United States on August 10, 2017
It's a bit of a pain to put it together into a box style filter you can place on top of your lens. You aren't supposed to touch it without gloves on as the oils on your finger can damage it. I looked through it at the sun and may have damaged my eye - it does say they don't recommend using it for your eyes, even though they've never heard of it causing a problem. So I'm telling you now - a few seconds looking through it did not blind me, but did leave my eye seeing 'off', even a couple weeks later. So DON'T LOOK THROUGH IT AT THE SUN as it isn't meant for that.
I was told at a Canon eclipse workshop that this film was not good because it's shiny on both sides and there is a risk of reflections between the film and lens glass, causing 'ghosting'. So I ordered what they recommended, a Seymour Solar filter. I've attached pictures of the sun through both - this Baader filter is the whiter one, the Seymour is yellow. They seem fairly equivalent in image clarity, and color can always be adjusted after the fact. The Baader was much cheaper, but then I went with a glass one in a nice aluminum mount from Seymour as I found the Baader film a pain.
Little did I know that the Seymour glass also has the ghosting risk, I would have had to use their film to avoid that. Sigh. (Bad vibes going towards Canon rep for the partial information.)
Evaluate for yourself. The pictures are taken with a Sony a6000 wearing a cheap Opteka 500mm lens (750mm FF equivalent due to the APS-C sensor)
I really liked that it shows a more true color for the sun rather than the yellow that eclipse filters do. The film is too thin for my likes though and is really hard to handle and keep glued (it kept peeling off because the film is so thin and the sheet of manila tag it says to glue onto is too glossy to hold a proper grip. So I just went out and bought a sheet of poster board, cut a circle, and then a second one inside of it and used double-sided tape to stick the sheet onto the disc and then glued a sleeve to it so I could easily slide it off and on my telescope.
I also was able to see several large sunspots just by holding the sheet up to the sun (which they don't recommend since it doesn't fully block all the UV, but seeing how I wear glasses which are UV blocking as well, I figured looking for a few seconds wasn't too bad.) On the telescope it works perfectly fine, got to see some more smaller sunspots which weren't visible to the unaided eye.
But again, it's a bit pricey (I paid $29, and as of this review it's down to like $25) for the size, and it's just really, REALLY thin, mine got a few creases just by attaching so, be careful. But it sure beats paying $100 for 'telescope ready' filters.
Reviewed in the United States on September 15, 2017
I really liked that it shows a more true color for the sun rather than the yellow that eclipse filters do. The film is too thin for my likes though and is really hard to handle and keep glued (it kept peeling off because the film is so thin and the sheet of manila tag it says to glue onto is too glossy to hold a proper grip. So I just went out and bought a sheet of poster board, cut a circle, and then a second one inside of it and used double-sided tape to stick the sheet onto the disc and then glued a sleeve to it so I could easily slide it off and on my telescope.
I also was able to see several large sunspots just by holding the sheet up to the sun (which they don't recommend since it doesn't fully block all the UV, but seeing how I wear glasses which are UV blocking as well, I figured looking for a few seconds wasn't too bad.) On the telescope it works perfectly fine, got to see some more smaller sunspots which weren't visible to the unaided eye.
But again, it's a bit pricey (I paid $29, and as of this review it's down to like $25) for the size, and it's just really, REALLY thin, mine got a few creases just by attaching so, be careful. But it sure beats paying $100 for 'telescope ready' filters.
I'd also recommend using a manual exposure. I had tested this with the sun on a bright day prior to the eclipse to work out an exposure that gave good detail on the sun (made sure the sun spots were clearly visible). I started with the exposure the camera recommended and then experimented from there.
Reviewed in the United States on August 28, 2017
I'd also recommend using a manual exposure. I had tested this with the sun on a bright day prior to the eclipse to work out an exposure that gave good detail on the sun (made sure the sun spots were clearly visible). I started with the exposure the camera recommended and then experimented from there.
Reviewed in the United States on July 1, 2021
I eventually took pictures using half of a pair of glasses as a lens cover but I could have saved my money and not bought this.
I gave it three stars because I acknowledge it could be user error. However, if you're not experienced in what to do with this kind of kit, I wouldn't recommend it.
Top reviews from other countries
Vedo solo una palla bianca senza macchie non so se perché ho un tele poco potente (celestron 114 firstscope 910mm) , o perché non ci sono.
Istruzioni in tedesco ma facilmente intuibili. Traduzione con google.



















