Nebula Filter Chroma H-Alpha 1.25", 5nm

Nebula Filter Chroma H-Alpha 1.25", 5nm

CHR66074
Stock at Supplier
668.55 701.65 -33.10
VAT excluded Shipping 5/7d

1¼" narrow band H-alpha filter (656 nm wavelength).

Order it before 2 hours and 41 minutes and receive it between on Thursday, 5 December and Thursday, 12 December with Home delivery - International

Delivery Options
Carrier Description Estimated Delivery
Home delivery - International Home delivery - International

Thursday, 5 December - Thursday, 12 December

Home delivery - International

Home delivery - International

Estimated delivery:
Thursday, 5 December - Thursday, 12 December

 
PRODUCT DESCRIPTION

H-alpha filter: this narrow-band nebula filter only lets through red light with a wavelength of 656 nanometers, which is the line at which HII regions (hydrogen nebulae) are seen.

Get unimaginable contrast in all emission nebulae with your CCD camera or webcam. Get excellent Deep Sky images wherever you are, even in the city center.

It has a perfect anti-reflective and planoptic coating.

SPECIFICATIONS

Capability

  • Center axis length (nm): 656
  • Connection (telescope side): 1.25
  • Frame: 1.25
  • Support material: Aluminum
  • Width at mid-height (nm): 5

Overall

  • Type: Filter
  • Construction type: Line filter

Applications

  • Planetary nebulae: yes
  • Hydrogen nebula: yes
  • Suitable for photographic purposes: yes
  • H-alpha: yes
All transmission and blocking (OD) data are actual spectra measured from representative production batches. Spectra vary slightly from batch to batch. OD values greater than 6 may appear noisy because such evaluations push the resolution limit of low light level measurements.
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