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Astronomy Filters

Astronomy Filters

Moon, color planetary, and light-pollution filters evaluated on published transmission, bandpass, and the targets they sharpen, from manufacturer specs and reviews.

2 articles1 products

Celestron Moon Filter Review for Sharper Lunar Detail

A moon filter is the least expensive single upgrade that immediately changes a beginner's lunar experience — but transmission percentage and thread size both matter when you are buying one.

Best Budget Light-Pollution Filter for Visual Nebula Viewing in the City

City observers wanting to see nebulae through a telescope have one practical option: a UHC or CLS light-pollution astronomy filter. Here is what the published specs say about which budget filter to buy first.

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Moon & Planetary Filters on Amazon

Amazon: 4%

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