Baader ASTF AstroSolar Solar Filter
Best premium solar filter for dedicated astronomical observers seeking maximum safety.
This high-quality solar filter ensures a neutral white view of the sun, preserving natural color and detail. Its innovative temperature-compensated cell design prevents stress on the film, maintaining superior optical performance across a wide range of temperatures.
$165.00
at
Highpointscientific
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Who it's for
- Solar observers seeking professional-grade clarity and natural color rendition
- Serious astronomers tracking solar activity over extended periods of time
- Owners of multiple telescopes looking for a reliable, adaptable mounting system
Who should skip it
- Users who prioritize rugged, glass-based filters for harsh field conditions
- Beginners looking for a simple, out-of-the-box snap-on solution
- Budget-conscious hobbyists who only need occasional, casual solar viewing
Performance breakdown
Optical Clarity
Delivers exceptionally sharp, high-contrast views of sunspots and solar granulation.
Color Neutrality
Provides a natural white solar image without artificial color casts.
Mounting Stability
Adjustable centering bolts ensure a secure, wobble-free fit on various tubes.
Thermal Resilience
Temperature-compensated cell maintains film integrity across extreme climate conditions.
Ease of Setup
Straightforward installation process, though requires careful adjustment for a perfect seal.
Build Durability
Robust construction protects the delicate film from accidental handling damage.
Key Specs
Filter Aperture
160 mm
Material
Mylar Film
Weight
184 grams
Warranty
2 years
Compatibility
180-220 mm OD Telescopes
Filter Type
Full Aperture
Operating Temperature
-30°C to 50°C
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