SVBONY SV139 Telescope Moon Filter Kit ND4 ND8 ND16 ND1000 1.25 inch Optical Glass Aluminum

This SVBONY SV139 Telescope Moon Filter Kit helps reduce glare and enhance lunar detail when observing the moon through your telescope. Each filter is designed for specific moon phases to optimize viewing by reducing overall brightness.

* ND4 Filter (25% transmission): Ideal for Waxing Crescent Moon, allowing more detail to be seen as the illuminated portion grows.
* ND8 Filter (12.5% transmission): Best for Last Quarter and First Quarter Moon phases, providing clear views of half-illuminated lunar surfaces.
* ND16 Filter (6.25% transmission): Recommended for Gibbous Moon phases, reducing brightness as the illuminated part of the moon wanes.
* ND1000 Filter (0.10% transmission): Specifically for Full Moon observation, effectively reducing the intense brightness for detailed viewing.

Specifications:
* Type: Neutral Density Filter Kit
* Material: Optical glass lens, Aluminum frame
* Barrel Diameter: 1.25 inches
* Optical Density Values: 0.6 (ND4), 0.9 (ND8), 1.2 (ND16), 3.0 (ND1000)
* Thread: Standard M28.5*0.6mm

Package Includes:
* 1x 1.25" ND4 Filter
* 1x 1.25" ND8 Filter
* 1x 1.25" ND16 Filter
* 1x 1.25" ND1000 Filter
* 4x Sturdy Plastic Cases