Baader AstroSolar Filter
Best versatile solar film for DIY telescope and camera filter projects.
This high-precision solar filter uses a temperature-compensated cell to maintain optical integrity across extreme climates. By mounting the film without tension, it delivers sharp, high-contrast views of the sun, making it an ideal choice for serious solar observers and imagers.
$148.00
at
Agena AstroProducts
More AstroSolar options
Who it's for
- Solar observers seeking professional-grade image sharpness on a budget
- Hobbyists with multiple optical instruments needing custom solar protection
- Safety-conscious educators and parents supervising solar eclipse viewing
Who should skip it
- Casual users prone to rough handling of delicate optical equipment
- Beginners who prefer a ready-to-use, out-of-the-box hardware solution
- Long-term investors looking for a permanent, one-time solar filter purchase
Performance breakdown
Optical Clarity
Delivers exceptionally sharp, high-contrast views of solar granulation and sunspots.
Color Neutrality
Provides a true-to-life white solar image without unwanted color shifts.
Mounting Versatility
Adjustable bolts ensure a secure, custom fit across various telescope apertures.
Thermal Stability
Advanced cell design prevents film warping during extended solar observation sessions.
Safety Reliability
Industry-standard ND 5.0 density provides essential protection for visual solar work.
Build Durability
Robust construction withstands field use while keeping the delicate film protected.
Key Specs
Aperture
180mm
Weight
195g
Material
AstroSolar Safety Film
Operating Temperature Range
-30°C to +50°C
Clamping Range (Outside)
200 - 240mm
Clamping Range (Inside)
230 - 270mm
Filter Density
ND 5.0
Country of Origin
Germany
Know before you buy
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