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Nebula Filter Chroma OIII 8nm 2" Chroma OIII Nebula Filter
CHR66704
Stock at Supplier
826.41
867.77
-41.36
VAT excluded
Shipping 5/7d
This narrow-band nebula filter only lets through light at 500 nanometers, which is the line at which doubly ionized oxygen atoms, such as planetary nebulae and supernova remnants, shine.
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
✖
Chroma's OIII filters isolate the 500.7 nm primary emission line of doubly ionized oxygen. After H-alpha, this is the next most common emission when imaging nebulae.
SPECIFICATIONS
Capability
- Connection (telescope side): 2
- Frame: 2"
- Support material: Aluminum
- Center axis length (nm): 500.7
- Width at mid-height (nm): 8
Overall
- Type: Filter
- Construction type: Linefilter
Applications
- Suitable for photographic purposes: yes
- Nebulae and galaxies: yes
- Planetary nebulae: yes
- Supernova remnants: 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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Filters for astronomical telescopes
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