UHC light pollution filter for urban environment

Optolong UHC with narrower passband provides higher contrast. Thus it is more suitable for urban environment w...

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Clear Sky Filter Screw on Lens

Clear Sky Filter is a light pollution filter supressing light pollution to improve contrast of the Milk Way. ...

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L-Pro filter for deep space objects in the Milky Way, nebula, and galaxy

Optolong L-Pro is multi-bandpass filter which offers better color balance by maximizing the transmission band....

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