Features:

• Made of high quality aluminum alloy and optical glass, this product is sturdy and durable.
• It can reduce eye strain and improve contrast and surface detail of the planet.
• Comes with general standard inch thread, suitable for most telescopes.
• Suitable for enhanced views of the Moon, Jupiter, Mars, Saturn, star cluster, nebula, deep sky, etc. (Red/Yellow/Blue/Green nebula filters can not be used to observe the sun.)
• Easy to install and use, a great choice for astronomical telescope lovers.

Specifications:
Condition: Brand New
Item Type: Telescope Lens Filter
Material: Optical Glass + Aluminium Alloy

Color: Red/Yellow/Blue/Green/Black

Transmittance: 83%

Thread: Inch Thread (Fine Thread)

Size: Approx. 31.7mm / 1.25inch


Package List:
5 * Telescope Lens Filter

Note:
1. Black filter is used as a solar filter. Don't use it when the sun is particularly strong.
2. Red/Yellow/Blue/Green nebula filters can not be used to observe the sun.