Scope Atlas

Astronomy Filters

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

3 articles1 products

7/18/2026

Smartphone Astrophotography: Best Phone Adapters & Filters 2026

Your phone can photograph the Moon through a telescope tonight with a $13 adapter. We cover the best phone adapters, moon filters, and a star tracker for wide-field shots in 2026, with honest expectations for what each target can deliver.

Updated 2w ago

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.

Updated 2w ago

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.

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Moon & Planetary Filters on Amazon

Filters that tame lunar glare and lift contrast on planetary detail at the eyepiece.

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