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OVL Deep Sky Filter (1.25")

OVL Deep Sky Filter (1.25'')
Our Price:  £39.99(Inc. 20% VAT)

Model:  SW20211
Brand:  OVL

This filter blocks low and high pressure mercury and sodium vapour lamplight and neon light whilst letting the rest of the visible spectrum through. Excellent for viewing all deep sky objects under the urban sky. Suitable for visual observations and for CCD photography.

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