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Nebula Filter Chroma H-Alpha 1.25", 3nm
CHR66073
Stock at Supplier
675.17
817.36
-142.19
VAT excluded
Shipping 5/7d
1¼" narrow band H-alpha filter (656 nm wavelength).
Delivery Options
| Carrier | Description | Estimated Delivery | ||
|---|---|---|---|---|
 |
Home delivery - International | Home delivery - International |
Monday, 6 January - Monday, 13 January |
|
Home delivery - International
Home delivery - International
Estimated delivery:
Monday, 6 January - Monday, 13 January
✖
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): 3
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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