The VPL Filter have premium quality metal rim &optics glass lens . Reduce glare and increase contrast of the Moon with the Svbony 1.25” VPL Filters Also useful for extra bright planets as well as terrestrial viewing over sand or snow. Fit standard sized 1.25" eyepieces and accessories.
This VPL affects metering and autofocus, and is generally not suitable for digital cameras with a high degree of automation.
Adjust the amount of light transmission from 1% to 40% by rotating the filter housing,Finer control of the image brightness compared to a standard fixed-transmission telescope filter for optimal performance.
The Svbony VPL Filter simply screws onto the insert barrel of most 1.25” eyepieces. A VPL Filter is also helpful when observing Venus or bright terrestrial scenes. This filter is not suitable for viewing the Sun.