Wanderer ND Filter for V4-EC/V4-EC-IR Wanderer Cover - 225 mm - WC4ND-225 Sky-Watcher Wave 3 bubble levels offer accurate

3 bubble levels offer accurate and highly visible level indication

including the integrated air-cooling system

of course we’ve applied all the optical coating and baffling features Tele Vue eyepieces are known for to maximize contrast and compliment the fully corrected field

With the center column fully extended

Wanderer ND Filter for V4-EC/V4-EC-IR Wanderer Cover - 225 mm - WC4ND-225 Sky-Watcher Wave 3 bubble levels offer accurateThe ND filter assembly for the 225mm WandererCover is designed specifically for users with fast optics who insist on taking long exposure flats. It extends exposure time by around 32 times. However, in most cases, you DO NOT NEED it WandererCover is designed to be flicker free, ensuring clean, banding free flats even at very short exposures.