Adjust the amount of light transmission from 1% to 80% increasing contrast by rotating the filter housing for finer control of image brightness such as the Moon, stars and certain Planets, compared to a fixed transmission polarizing filter .

You can reduce the brightness of the Moon or planets to get a very clear view. Reduce glare and increase contrast of the Moon. They are also useful for extra-bright planets, as well as terrestrial viewing on sand or snow.

Svbony’s VPL Filter simply screws into the insertion barrel of most 1.25” eyepieces. A VPL filter is also useful when viewing Venus or bright terrestrial scenes. This filter is not suitable for observing the Sun

Cheap Honey Pacifier Made of HD optical glass; good level of transmission, top quality metal edge and a resistant plastic case included for better sealing; preventing it from falling or coming loose.