The Levenhuk Solar System F4 filter set includes light filters for a telescope. These filters are useful for studying outer space. They increase the contrast between inhomogeneously-lit areas of planets, allowing you to observe more small details. This set will make the solar system exploration more exciting. All filters feature a 1.25” barrel diameter and are equipped with an internal thread for combining different filters.

Levenhuk 1.25” Optical Filter #23A (Light-red)
This filter is irreplaceable when studying the planets of the solar system, especially Mars, Saturn, and Jupiter. It is also well suited for daytime observations of Venus and twilight observations of Mercury. The Levenhuk 1.25” Optical Filter #23A (Light-red) emphasizes the brightness of the tail dust particles of comets. The filter has low light transmission and is recommended for use with telescopes with an aperture from 130mm.

Levenhuk 1.25” Optical Filter #58 (Green)
This is also a good filter for with an aperture from 130mm. Being installed on lens telescopes (refractors), it effectively eliminates chromatism and increases the image resolution. It is recommended for observing Mars, Saturn’s Polar Regions, and Jupiter’s atmosphere as well as the moon and bright comets.

Levenhuk 1.25” Optical Filter #80A (Blue)
This is one of the most popular filters for observing planets. It is irreplaceable when examining the Great Red Spot on Jupiter and details on the rings of Saturn. It is well suited for studying the atmosphere and the polar ice caps of Mars. It is helpful when observing Venus and Mercury. This filter can also be used for observing binary stars, comets, and the moon.

Levenhuk 1.25” Optical Filter #12 (Yellow)
This filter features high light transmission, so it can be used on small aperture telescopes. One of the most popular filters for observing Mars. It is well suited for observing Jupiter and Saturn as well as for detailed studies of the rings of Neptune and Uranus. This filter can be used for observing comet tails and the lunar surface.


  • Four filters set
  • Optical glass filters render a sharp and clear image
  • Excellent choice for observing the solar system planets, comets, and the moon
  • A thread for combining different filters
  • 1.25” barrel diameter

The kit includes:

  • Filter #23A (Light-red)
  • Filter #58 (Green)
  • Filter #80A (Blue)
  • Filter #12 (Yellow)
  • Plastic case for storage
Optics material optical glass
External thread (for installation in the eyepiece) yes, 1.25”
Internal thread (for combining different filters) yes
Operating temperature range, °C −5… 35
Usage General use product. May be used by kids over 3 years old.
Brand Levenhuk, Inc., USA
Warranty, years 0.5
Package size (LxWxH), cm 10x10x2
Shipping Weight, kg 0.09

Returns Policy

We have a 14-day return policy. If you are not satisfied with your purchase, please return it in its original packaging and be sure to put the original product packaging inside the shipping box to avoid any damage..

All items must be in their original condition and unused. The value of your purchase will be refunded. .

Shipping charges will not be refunded.

If the return is due to a defective product, you may be compensated for the return shipping.

Please contact us for more details if you need to make a return..


- From 0 to 2 kg - shipping cost: 12,50 euros.

- From 2.001 kg to 30 kg - shipping cost: 17,00 euros.

- From 30,001 kg - shipping cost: 30,00 euros.

In case of collection at our warehouse or resale points - the shipping is free.

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