Feature

●Optical glass and aluminium alloy: This product made of high-quality aluminium alloy and optical glass is robust and durable. It can reduce eye strain and improve the contrast and surface details of the planet.
●Compatibility with inch thread telescopes: Comes with a general standard inch thread (fine thread) that is suitable for most telescopes. Easy to install and use, a good choice for lovers of astronomical telescopes.
●Wide application and black filter: suitable for improved views of moon, Jupiter, Mars, Saturn, star clusters, nebula, deep sky, etc. The black filter is used as a sun filter. Do not use it when the sun is particularly strong. Black Filter:Sun filter, it is urgently needed to use this sun filter morning and evening. Do not use it especially if the sunlight is very strong (noon)! (Red / Yellow / Blue / Green fog filters cannot
●Blue/yellow filter: blue filter: used to observe the small structure of the star cluster and make the image details clearer. Yellow Filter: It is clearer when observing the polar ice cap on Mars, and the contrast can be increased when observing the desolate land on the surface of the planet, making the details more clear. When observing Jupiter, the blue colour of the Jupiter equator becomes darker and the red and orange features are more noticeable
●Red/green moon filter: red filter: for observing Mercury and Venus. Large diameter astronomical telescopes can clearly observe Jupiters sidebands through red panels, and more details can be seen on the surface of Saturn. GREEN MOON FILTER - Observe the polar projections, frost spots and fog on the surface of Mars. It is a good accessory to watch the rings of Saturn and Jupiter. It is also a general colour filter for observation


Description

Specifications:
Condition: 100% brand new.
Element type: telescopic lens filter.
Material: optical glass + aluminium alloy.
Colour: red, yellow, blue, green, black.
Permeability: 83%.
Thread: inch thread (fine thread).
Size: approx. 31.7 mm / 1.25 inches.
Approximate weight 46 g / 1.6 oz.

Package list:
5 x telescopic lens filters.

Note:

1. Black filter is used as a solar filter. Do not use it when the sun is particularly strong.
2. Red, yellow, blue and green mist filters cannot be used to observe the sun.