This product is in good stock and is available for dispatch in our normal delivery timescales.
Order in the next 12hrs 45mins for delivery on Saturday, 22 July
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. Threaded to fit standard 1.25” eyepieces. More