EYSDON Moon&Skyglow Filter 1.25 Inch Glass for Astronomical Telescope Eyepieces on Astro Photography

Fits all standard 1.25"-M28.6x0.6 threads telescopes eyepiece and T-adapter;thread inside tube
Lens material;optical glass lens;provide clear image;frame material;alloy;light and solid material ensure a long term use
Material: Metal frame + Optical glass lens
Size: 1.25 Inch(about 31.7mm)
Filters can be used in combination by rotating
Female Threads: M28.6*0.6mm
Male Threads: M28.6*0.6mm

Package Include:

1 x Moon&Skyglow Filter
1 x Storage Box

Note:

Please allow 0-2mm error due to manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Moon&Skyglow

The violet filter totally blocks red, yellow and green light, which is useful when observing the polar regions on Mars. With larger telescopes (>12"), it also allows to distinguish some structures in Venus' atmosphere.