Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.
Baader Filters H-alpha CMOS Ultra-Narrowband 31mm (70873)
The H-alpha filter allows light at a wavelength of 656 nm to pass through, making it the best choice for narrowband H-alpha astrophotography. It delivers high-contrast imaging and reveals rich details of nebulae, even in areas with strong light pollution, ensuring exceptional image quality.
258.07 $ net price (non-EU countries)
Anatolii Livashevskyi
Product Manager
/ 
+48721808900
+48721808900
+48721808900
[email protected]
Description
The H-alpha filter allows light at a wavelength of 656 nm to pass through, making it the best choice for narrowband H-alpha astrophotography. It delivers high-contrast imaging and reveals rich details of nebulae, even in areas with strong light pollution, ensuring exceptional image quality.
Specifications
Capacity
Central Wavelength (nm): 656.3
Half-Value Width (nm): 3.5
Frame
Type: Ring
Mount Material: Aluminium
Coating: Reflex-Blocker™
Appropriate for Telescopes
Aperture Ratio Range: f/10 to f/3.5
Filter Thickness
Thickness (mm): 2
Filter Size
Size (mm): 31
General Information
Type: Filters
Build Type: Line filter
Series: Ultra-Narrowband
Area of Application
Useful for Photographs: Yes
Visually Useful: No
Twin Stars: No
Moon & Planets: No
Nebulae & Galaxies: Yes
Data sheet
Official permits of the Ministry of Development and Technology
Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.