Pulsar PSP-42B Adapter Ring

The Pulsar SP-42B Adapter Ring enables Krypton and Proton clip ons to be attached to optics whose objective diameter is 40-42 mm. Delivery includes inserts with inner diameters of 46 mm (for mounting the adapter on daytime optics with an outer lens diameter of 46 mm), 46.5 mm (46.5 mm), 47 mm (46.7–47.6 mm), 48 mm (47.7–48.6 mm), 49 mm (48.7–49.6 mm), 50 mm (49.7–50.6 mm).