Baader Blocking Filters Solar Continuum 1.25″
Original price was: $118.00.$82.60Current price is: $82.60.
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Product description
For observing and photography of sunspots and granulation only when used in combination with a Herschel prism or AstroSolar film. This filter extracts a narrow spectral range from the solar spectrum at 540nm. It is at this wavelength that the granulation and structure in sunspots have their highest contrast.
An IR cutting filter is essential for safe visual observing with AstroSolar 3.8!
| Central wavelength(nm) | 540 |
|---|---|
| Half-value width(nm) | 7,5 |
| passband(nm) | 536,25 – 543,75 |
| Coating of optical system | Reflex-Blocker™ |
| Mount material | Aluminium |
| Connection (to the telescope) | 1,25"1.25" A standard measurement for accessories, expressed as 1.25 inches. 1.25" is equal to 31.8 millimetres.Click to read more… |
| Frame | 1,25" 1.25" A standard measurement for accessories, expressed as 1.25 inches. 1.25" is equal to 31.8 millimetres.Click to read more… |
| filter thickness(mm) | 2 |
| Type | Filters Filters No matter whether they are for observing or for astrophotography, filters are very important accessories.Click to read more… |
| Type of build | Blocking Filters |
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