$12.00Last catalog price, November 2008
Catalog description
Celestron Telescope Moon Filter 1 1/4 Inch, part number CELE133, is a discontinued product from the 2007–2011 catalog. It was last listed at $12.00, down from a high of $27.95.
Very often when viewing the moon its light is so intense in the telescope you need a filter to bring down the amount of light entering your eye. Think of it like a pair of sunglasses for your telescope. You will see more detail on crators more surface detail and a much more comfortable eye at the eyepiece.
Celestrons 1.25-inch moon filter is an economical eyepiece filter for reducing the brightness of the moon and improving contrast. This allows surface detail to be observed more readily. The clear aperture is 21mm for this 1.25-inch filter. Light transmission is about 18 percent.
Catalog price history
| Observed | Listed price | Change |
|---|---|---|
| September 2007 | $15.95 | |
| February 2008 | $27.95 | +$12.00 |
| March 2008 | $15.95 | −$12.00 |
| November 2008 | $12.00 | −$3.95 |
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