Availability: 6 in stock
Explore Scientific Nebula Filter 1.25″ H-Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94.5%
Barrel diameter and thread decide fit. A 1.25-inch eyepiece will not seat in a 2-inch focuser without an adapter, and an adapter adds back focus. Filters are listed by the wavelength they pass and the thread they screw into.
Sold under the Explore Scientific name. The specification block above is published for this listing; check the dimensions against the item you are replacing before ordering.
Dispatch takes one to two business days and tracking is sent on handover. Free US shipping over $58 on US orders.
