Telescopes & Astronomy

The Sirius Optics No. 11 Yellow-Green Filter enhances planetary views by boosting contrast on Jupiter's belt details, darkening the Maria on Mars, and accentuating Saturn's Cassini Division. Crafted from dyed-in-the-mass optical glass for premium clarity, this 1.25-inch filter threads easily into standard eyepiece barrels and can be stacked with other filters for selective color filtration.

Sirius M54 Microfocuser

The Sirius Optics 1.25 Inch 3-in-1 Adapter with M42 thread offers versatile connectivity for your telescope setup, allowing you to easily attach cameras and accessories with a standard M42 connection to any 1.25-inch focuser. Its three-in-one design consolidates multiple adapters into a single, compact solution, making it an essential accessory for both visual observers and astrophotographers.

• A piggyback ride for your camera!  Let your telescope do the driving while your camera takes beautiful wide-angle images of the sky.
• Use your own camera lenses to take photographs of the Milky Way, nebulae, the Moon, and more
• Attaches easily to the top rear of any Schmidt Cassegrain telescope in minutes

This Sirius Optics adapter seamlessly connects 2-inch push-fit accessories to telescopes and components with a standard SCT (Schmidt-Cassegrain) male thread. Featuring a precision SCT outer thread on one end and a 2-inch push-fit nosepiece with a built-in 2-inch filter thread on the other, it's ideal for use with SCT-threaded star diagonals, focal reducers, and other accessories from brands like Celestron and Meade.

The Sirius 2 inch UHC Skyglow Broadband CLS Filter effectively reduces light pollution, enhancing contrast and detail when observing or imaging deep-sky objects from urban and suburban locations. Designed to fit standard 2-inch eyepieces and accessories, this broadband filter selectively blocks artificial light while transmitting key nebula and star wavelengths for clearer, more vibrant views of the night sky.

• T-Adapter for 8” EdgeHD optical tube threads onto the rear cell
• This T-Adapter allows you to attach your 35 mm DSLR camera to the prime focus of your EdgeHD telescope

• This 1.25” Eyepiece & Filter Kit includes 14 accessories that will add new life to your telescope and your observing!
• You’ll get five quality Plossl eyepieces, a 2X Barlow Lens, six colored filters to improve observations of the planets, a Moon filter, and a foam-fitted aluminum carry case with extra room to grow
• Five eyepieces and a Barlow lens equals 10 different magnifications to choose from, including the equivalent of a 3 mm, 4 mm, 6 mm, 6.5 mm, 8 mm, 8.5 mm, 13 mm, 16 mm, 17 mm and 32 mm.  And that doesn’t include eyepieces you may already have in your collection, which will now achieve double the magnification with the addition of the Barlow.
• A Moon filter will increase your enjoyment of lunar observations by dimming the brightness and increasing contrast
• The most popular planetary filters are included in this kit.  Have fun seeing what a blue filter will reveal about Jupiter, or unveil the polar ice caps on Mars with a red or orange filter.