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IDAS Filters OIII 6.0nm 2
Original price was: $313.00.$99.99Current price is: $99.99.
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Product description
OIII Filter: The narrowband O-III 3nm filter is designed for nebula observation allowing 3nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, blocking out all other light.
IDAS OIII 6.0nm narrowband filter
- 6.0 +/- 0.2nm bandpass (measured value)
- 98% transmission (measured value)
- 2.5mm & 3.0mm thickness
- Optimized from F1.65 to any
- Fully blocks up to 1300nm as illustrated in the plot
- Each filter is individually inspected and measured for quality
- Comes with the actual measured plot with the unique product code
- Made in Japan
| Filter Size(mm) | 48 |
|---|---|
| Transmission | 98 |
| Frame | 2" 2" A standard measurement for accessories, expressed as 2 inches. 2" is equal to 50.8 millimetres.Click to read more… |
| Mount material | Aluminium |
| Type of build | line filter Line filter Filters that allow only light in a specific spectral line to pass through.Click to read more… |
| Type | Filters Filters No matter whether they are for observing or for astrophotography, filters are very important accessories.Click to read more… |
| Useful for photographs | yes |
| Anti light-pollution | yes |
| H-alpha | no |
| Nebulae & galaxies | yes |
| Visually useful | – |
| Hydrogen nebulae | – |
| Planetary nebulae | yes |
| Supernova remains | yes |
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