$79.95Last catalog price, November 2009
Catalog description
Lumicon Night Sky Hydrogen - Alpha Telescope Filters, part number LUMI009, is a discontinued product from the 2007–2011 catalog. It was last listed at $79.95, down from a high of $99.95.
The Night Sky Hydrogen-Alpha Filter is intended for deep sky astrophotography only.
WARNING: DO NOT USE FOR SOLAR OBSERVATION EYE DAMAGE MAY OCCUR. The Lumicon Night-Sky H-Alpha Filter is a powerful photographic aid in overcoming light pollution during deep-sky photography. It will greatly reduce light pollution making it ideal for photography of faint emission nebulae. Exposures may be increased up to 10 times without diminishing the black background in your photograph thus achieving strikingly improved results in black & white film and CCD astrophotography. Both filter surfaces have high light transmittance coatings for maximum performance.
To ensure that your Lumicon filter remains the World's Best the strictest quality control standards are employed throughout the production process. Each Lumicon Filter is individually inspected for maximum quality assurance.
Catalog price history
| Observed | Listed price | Change |
|---|---|---|
| September 2007 | $79.95 | |
| October 2008 | $99.95 | +$20.00 |
| November 2009 | $79.95 | −$20.00 |
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