$89.95Last catalog price, October 2008
Catalog description
Lumicon Dust Seal Telescope Filters, part number LUMI012, is a discontinued product from the 2007–2011 catalog. It was last listed at $89.95, up from a low of $59.95.
Lumicon UV Dust Seal for most SCTsThe Lumicon Dust Seal keeps dust and insects out of your telescope. Fully multi-coated the filter is a plane-parallel polished-surface substrate that blocks ultraviolet radiation but passes all visible light with minimal absorption no aberration and no noticeable internal reflection. With an outside diameter of 3.5 inches the filter mounts on the back of your SCT and takes up 0.5 inch of back focus. It accepts all attachments. Don't let the horror story of a moth in my telescope happen to you.
Catalog price history
| Observed | Listed price | Change |
|---|---|---|
| September 2007 | $59.95 | |
| October 2008 | $89.95 | +$30.00 |
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