Astronomik H-Alpha CCD Filter
Best narrow-band filter for serious astrophotographers capturing detailed nebulae.
This narrowband filter is essential for capturing detailed hydrogen-rich emission nebulae, even under significant light pollution. It isolates specific wavelengths to deliver high-contrast results, making it a powerful tool for deep-sky imaging enthusiasts.
$259.95
at
Highpointscientific
Who it's for
- Urban astrophotographers battling heavy light pollution
- Serious imagers prioritizing optical clarity and long-term durability
- Deep-sky photographers capturing detailed emission nebulae
Who should skip it
- Budget-conscious hobbyists seeking affordable entry-level gear
- Beginners lacking advanced tracking and guiding setups
- Generalists wanting to photograph galaxies and star clusters
Performance breakdown
Nebula Contrast
The 6nm bandwidth aggressively isolates emission lines for stunning, high-contrast detail.
Optical Integrity
Diffraction-limited glass ensures your telescope's resolution remains sharp and uncompromised.
Durability
Robust coatings provide excellent resistance against humidity, scratches, and long-term aging.
System Integration
Parfocal design allows for seamless swapping without constant refocusing during sessions.
Light Transmission
High-efficiency coatings maximize signal capture while suppressing unwanted light pollution.
Build Quality
Precision-engineered glass housed in a durable, reliable frame for field use.
Key Specs
Filter Type
H Alpha
Filter Diameter
36mm
Material
Optical Glass
Mounting Type
Screw-in
Filter Shape
Round
Filter Thickness
1mm
Scratch Resistant
Yes
Effect Type
Star
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