SVBONY SV139 Telescope Filter Moon Filter Kit 1.25 inch ND4 ND8 ND16 ND1000 for Telescope Eyepiece Reduce Overall Brightness
- The 1.25" Neutral Density Moon filter kit.
- Reduces glare so you can see more lunar detail and surface features with your telescope.
- Will not alter the natural color of the Moon.
- Use ND4 filter with 25% transmission when Waxing Crescent Moon.
- you get to see more and more of the illuminated half.
- It's very good effect to use the ND4 filter at this time.
- Use ND8 filter with 12.5% transmission when Last and First Quarter Moon.
- It's very good effect to use the ND8 filter In last quarter and the first quarter phase.
- Use ND16 filter with 6.25% transmission when Gibbous Moon.
- the illuminated part of the Moon that you can see decreases, and we say it's waning.
- It's very good effect to use the ND16 filter at this time.
- Use ND1000 filter with 0.10% transmission when Full Moon.
- It's very good effect to use the ND1000 filter at this time at the brightest time of the moon.
