ALTAIR F200H47NMCCD 2" premium narrow...
ALTAIR F200H47NMCCD 2" premium narrow...
ALTAIR F200H47NMCCD 2" premium narrow band filter 7nm Ha
ALTAIR F200H47NMCCD 2" premium narrow band filter 7nm Ha

ALTAIR F200H47NMCCD 2" premium narrow band filter 7nm Ha

ALTF200HA7NMCCD
Stock at Supplier
198.31
VAT excluded Shipping 5/7d

The Altair Astro Premium 7nm Ha filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting light pollution wavelengths. The filter blocks UV IR and has an AR anti-reflection coating.

Order it before 9 hours and 5 minutes and receive it between on Wednesday, 4 March and Wednesday, 11 March with UPS - Resto del mundo

Delivery Options
Carrier Description Estimated Delivery
UPS - Resto del mundo UPS - Rest of the World

Wednesday, 4 March - Wednesday, 11 March

UPS - Resto del mundo

UPS - Rest of the World

Estimated delivery:
Wednesday, 4 March - Wednesday, 11 March

 

The Altair Astro Premium 7nm Ha filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting light pollution wavelengths. The filter blocks UV IR and has an AR anti-reflection coating.

Purchasing the complete SHO set provides significant cost savings versus purchasing the filters separately.

A 6.5nm to 7nm FHWM provides higher contrast compared to 12nm FHWM filters, e.g. for better performance in heavily light-polluted urban areas, and higher contrast for imaging faint objects. Emission lines from artificial illumination (mercury (Hg) and sodium (Na)), as well as sky glow, are completely suppressed, allowing long exposures in urban conditions. LED illumination outside the filter bandpass is also blocked.

Steep transmission curves with narrow pass bands provide high image contrast. Advanced UV/IR blocking coatings allow small size stars to be obtained even with refractor optics.

Technical specifications:

  • AR (anti-reflection) coatings suppress halo effects and internal reflections for more pleasing star images.
  • Ultra-thin BK7 glass housed in a precision CNC-machined filter cell for stress-free, tilt-free mounting.
  • Filters are 1.85 mm thick, 1/4-wave flatness and 30 arc-second parallelism.
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