Availability: 6 in stock
Diffraction Limited L4 (1/4 wave in Sodium Light), Plate Glass, Aluminized (92%) and SiO (Quartz Overcoat). Resolving Power(arc seconds): .97. Pre-Set Collimation Dot. Hand Crafted and Ronchi Tested for high reflectivity.
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 Cassini name. The specification block above is published for this listing; check the dimensions against the item you are replacing before ordering.
Picked within one to two business days; tracking is emailed when the parcel leaves the warehouse. Free US shipping over $58.
