Description
- Safe solar viewing/-photography all telescopes with quality and langbrennweitigen telephoto lenses
- AstroSolar Safety Film OD 5.0, mounted stress free in temperature compensated cell
- Suitable for all telescopes with approx. 9.45 inch (240 mm) lens aperture
- Baader Planetarium ASTF: AstroSolar Telescope Filter 240mm Solar Filter
While observing the celestial wonders, the 240mm AstroSolar Telescope Filter from Baader Planetarium ensures you experience the highest quality images. This filter, designed for astrophotography, is crafted with the renowned AstroSolar Safety Film OD 5.0, which has been the choice of astronomy enthusiasts for over 15 years. Unlike many ready-made filters, the Baader AstroSolar Filter is designed to maintain the true optical quality of the diffraction-limited AstroSolar Safety Film. It is mounted stress-free, ensuring it performs like a high precision plane optical window, which is essential for high magnification work. The filter is housed in a clear white IR-rejecting front ring with reinforcing raised edges. This design protects the solar filter material from contact with any sharp metal edge, ensuring its durability. The filter can be easily mounted and adjusted to fit a wide variety of mechanical tube diameters, thanks to its non-rotating sliding fasteners made from aluminum. For user convenience, the filter features an index scale beside each adjustment slot, allowing for fast and repeatable adjustment of the filter cell onto different telescope tubes. It also includes three security straps to ensure a secure fit in front of the telescope under any circumstances, such as a gust of wind. The AstroSolar Telescope Filter is safe for solar observation and photography with all high-end telescopes and extreme tele-lenses. It is suitable for the