Baader 2459281 - AstroSolar filter film - Visual - A4-piece - for safe solar observation

Baader 2459281 - AstroSolar filter film - Visual - A4-piece - for safe solar observation
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Baader 2459281 - AstroSolar filter film - Visual - A4-piece - for safe solar observation



The Baader AstroSolar is a filter foil for exciting solar observations.
The filter protects against the harmful UV rays of the sun and is placed in front of the telescope. It is not a question of glass, but of a stable and dense special film that is securely attached in front of the Telescope RingaBaader 2459281 AstroSolar Filter Film Visuellng.

It is the delivery of a simple and easy to understand instructions. You can use it within a few minutes? and few tools to build your solar filter yourself.

The enclosed example photo by photographer Reinhard Pankrath was taken with a filter (OMC 140 deluxe).

In the US, the Baader AstroSolar filter film has been awarded as the Astro Product of the Decade.
 
The advantages that made this award possible:

Very good protection: The film is provided on both sides with a filter layer. On both sides, because each side-mounted filter layer can have barely visible micro holes that can pass harmful UV rays, as well as glass filters. On both sides applied filter layer, however, reduces the risk that unfiltered UV light passes through the micro holes.

High image quality: The AstroSolar offers an image quality that is superior to other films, such as the Mylar. The test (see reviews) proves this. Also compared to glass filters, the film performs very well. The film reaches a diffraction-limited image in each area of ​​the test. In addition, the film does not stain the sun, as do simpler products. The contrast and the natural sun color are perfectly preserved.

Break and tear: Since it is not a glass, it can not break. In addition, the Baader AstroSolar is extremely tear-resistant due to a special molecular structure. is.

The color of the sun through the foil:

The sun is imaged by the Baader filter foil in a cool neutral tone. This neutral tone allows a high-contrast solar observation and is perceived by many users as very pleasant. This is particularly important in the higher magnification range and allows a successful observation here.

Some star friends prefer the sun in a warm orange or yellow tone. While this color does not reflect reality, we do not think that observing fine details in that color is not as good, but with a light color filter in front of the eyepiece you can easily choose the color, from green to orange to yellow. So you are not fixed to a (not real) hue, but you can choose freely and adjust the color to the observation requirements.

Technical specifications:

Light transmission: about 1 / 100,000
Carrier material: special plastic film
Coating: aluminum
Accuracy: diffraction limited
Safety: confirmed by the PTB (Braunschweig)!
Format: A4 sheet
Delivery:
A4 piece AstroSolar, visual version
Packaging in plastic film with instructions for self-assembly
Baader 2459281 - AstroSolar filter film - Visual - A4-piece - for safe solar observation

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