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Home > Classifieds > Astromart Classifieds > Filters > Classified #118609

For Sale: Lumicon Deep Sky Filter 1.25" - NEW

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Lumicon Deep Sky FIlter Brand New In Box

The Lumicon Deep Sky filter is a wide bandpass filter which has been optimized for astrophotography.

The gain in photographic contrast is approximately 3-fold, which means you can use up to three times longer exposure time before reaching the sky-fog limit when using the Deep Sky filter. Since transmission for the nebula emission lines is over 90%, emission nebulae gain 3-fold in contrast! Galaxies gain only modestly in contrast (1-1.5 fold). Since the Lumicon Deep-Sky filter transmits in blue, green, and red bands, relatively good color balance is maintained, and this filter yields great color astrophotos.

SALE PRICE $80.00 shipped. PayPal preferred.

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