Telescopes & Astronomy

The Sirius Optics Colour Filter No. 12 Yellow (1.25") is a must-have for Mars observers, enhancing contrast between blue-green surface features and orange desert regions. It sharpens the visibility of dust clouds, canal markings, and atmospheric details, making it a favourite filter for exploring the red planet through your telescope.

The Sirius Optics #82A Light Blue 1.25" filter enhances areas of low contrast on planetary and lunar surfaces without significantly reducing overall brightness. Ideal for observing the Moon, Mars, Jupiter, and Saturn, this filter brings out subtle surface details that might otherwise go unnoticed, making it a versatile and popular choice for amateur astronomers.

1.25" LRGB Filter Set for Colour imaging with Monochrome Cameras.

The Sirius Optics Colour Filter No. 8 Light Yellow (1.25") enhances planetary detail by improving contrast on Jupiter's red and orange belt features and bringing out the blue Maria on Mars. It also reduces scattered light and highlights yellow dust clouds, making it an essential filter for dedicated planetary observers.

• For 1.25" eyepieces

Enhances:

• Details of cloud belts and Great Red Spot on Jupiter
• Atmospheric clouds and polar caps on Mars
• Feature contrast on the Moon by reducing glare
• Cloud belts and rings on Saturn

The Sirius Optics No. 25 Red Colour Filter (1.25") blocks nearly all blue and green light, delivering strong contrast for planetary observation. Ideal for revealing detail in Jupiter's and Saturn's cloud bands, it truly excels at bringing out the polar ice caps of Mars with exceptional clarity.

The Sirius Optics No. 58 Green 1.25" colour filter effectively blocks red and blue wavelengths to boost contrast when observing Jupiter's atmospheric features and Saturn's cloud belts. It's also an excellent choice for enhancing lunar surface detail, making it a versatile addition to any planetary observer's filter set.

Enhances:

• Lunar detail
• Polar ice caps of Mars in large telescopes
• Polar regions on Saturn
• Limb hazes and terminator clouds of Mars
• Clouds and atmospheric haze on Venus, reduces glare

• For 1.25" eyepieces

Enhances:

• Dust storms, surface plains and Maria on Mars
• Cloud belts, polar regions, loops, festoons, and ovals on Jupiter
• Cloud belts and polar regions on Saturn