The Best Telescope Accessories 2025

1. Pentax Eyepiece SMC Waterproof Zoom 8mm-24mm, 1.25 Tube

Overcome the limitations of standard eyepieces with the SMC 8-24mm Zoom Eyepiece, a high-quality, durable, and versatile accessory designed for both terrestrial and astronomical viewing. Crafted with high-refraction, low-dispersion, multi-coated lanthanum glass optics, this innovative eyepiece ensures superior image quality and clarity. Compatible with all Pentax spotting scopes and telescopes with 1.25" focusers, this zoom eyepiece offers a seamless viewing experience, whether you're capturing breathtaking landscapes or exploring the night sky. With a generous 18-22mm eye relief, it provides comfortable viewing even for extended periods, making it an ideal choice for photographers and nature enthusiasts alike. The SMC 8-24mm Zoom Eyepiece boasts an apparent angle of view as wide as 60 degrees, offering a broad field of view for a more immersive viewing experience. Its reliable and robust construction adheres to the Japanese Industrial Standards Class 4, ensuring weather resistance and durability for use in various conditions. Whether you're tracking flying geese at 200-300 yards, spotting .22 cal holes in targets at 200 yards, or simply enjoying the beauty of nature, the SMC 8-24mm Zoom Eyepiece is your reliable partner for clear, bright, and detailed views. Enhance your photography and viewing experience with this versatile and high-performing zoom eyepiece.

Designed for telescopes and spotting scopes Magnification: 20-60x Construction: Waterproof and fogproof Eye Relief: 18-22mm Apparent Field of View: 38-60 degrees

2. Series 4000 Eyepiece and Filter Kit

Meade Series 4000 Eyepiece and Filter Kit

Meade Series 4000 Eyepiece and Filter Kit Meade Series 4000 Eyepiece and Filter Kit

3. Celestron 1.25" Eyepiece and Filter Kit

The Celestron 1.25" Eyepiece and Filter Kit is a wonderful way to expand the functionality and enjoyment of your telescope. Inside the metal, foam-lined carry case you'll find several accessories. The included and very versatile 2X Barlow doubles the magnification of any 1.25" eyepiece. Since this Celestron telescopes kit includes five eyepieces, you will be able to use them with and without the Barlow, giving you a total of 10 magnification options in all. Any other 1.25" eyepiece you already have will also work in this desirable accessory, giving you even more magnification choices. Remember, high magnifications do not always produce clear, sharp results, especially on evenings of poor or moderate seeing conditions. Experiment to find the magnifications that are best for your equipment on a particular night with this telescope eyepiece kit.

Celestron 1.25" Eyepiece and Filter Kit: Celestron telescopes kit includes 14 accessories that will add new life to your telescope and your observing Includes 5 quality Plossl eyepieces 2X Barlow Lens 6 colored filters to improve observations of the planets Telescope eyepiece kit has a moon filter Foam-fitted aluminum carry case with extra room to grow Celestron 1.25" Eyepiece and Filter Kit has 5 eyepieces and a Barlow lens equal 10 different magnifications to choose from including the equivalent of a 3mm, 4mm, 6mm, 6.5mm, 8mm, 8.5mm, 13mm, 16mm, 17mm and 32mm 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 Celestron 1.25" Eyepiece and Filter 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

4. Cstar Universal Digital Camera Adapter for Telescopes and Spotting Scopes

Cstar Optics DS-40ST universal digital camera adapter for telescopes and spotting scopes makes it easy to take digital images with a digital camera through a telescope or spotting scope. This new adapter fits telescope eyepieces of 1.25 inch diameters as well as spotting scope eyepieces of up to 40mm in diameter. Use almost any digital camera (small and large) to take photos through your spotting scope or telescope. This adapter in seconds can be stored away in your camera bag without taking a lot of storage space. Durable aluminum and ABS plastic material ensure this product will last a life time, as evident by the Cstar limited life-time warranty. Extreme rigidity and exactness in construction make this camera adapter not only ideal for beginners due to its ease of use but also for that professional photographer.

Fits almost all Spotting Scopes of less than 40mm and even Telescope eyepieces of 1.25" No need to buy 2 adapter sizes for use with your Spotting Scope and Telescope View the stars at night and easily take digital images with your own digital camera Grab your spotting scope and easily take beautiful pictures of wildlife Quick and easy alignment of both telescope/spotting scope optical path and the digital camera optical path The design of this new camera adapter allows for quick, easy and correct optical paths/axis alignment Switch from viewing through the telescope or spotting scope with your own eyes to taking digital photos with your digital camera in seconds Use your timer option to minimize extra vibrations when taking photos Assemble two pieces together by only two knobs Adapter now fits easily into your camera bag Soft rubber padding on the camera adapter platform protects camera bottom and allows for snug fit of all types of camera sizes Camera adapter "x" axis platform includes a design that allows the platform to not slide out too far and cause your camera and platform to fall to the ground Model model DS-40ST

5. Celestron T-Adapter for All Schmidt-Cassegrains Telescopes

Why settle for less when you can experience the best in astrophotography with our reliable and durable T-Adapter, specifically designed for all Schmidt-Cassegrain telescopes This high-quality T-Adapter allows you to seamlessly connect your 35mm SLR camera to the prime focus of your telescope or spotting scope, transforming your stargazing into a photographic journey. Ideal for terrestrial photography, this versatile T-Adapter also excels in short exposure lunar and planetary photography, capturing the celestial wonders with precision and clarity. For those interested in deep-sky photography, this T-Adapter can be used for long exposure shots when paired with a separate guidescope, opening up a universe of photographic possibilities. Remember, to mount your camera to your telescope or spotting scope, both a T-Adapter and T-Ring are required. Choose our user-friendly T-Adapter for all Schmidt-Cassegrain telescopes and elevate your astrophotography experience.

Threads on to the rear cell of Schmidt-Cassegrain telescopes T-threads accept camera brand specific T-Ring (sold separately) Compatible with long exposure deep-sky photography when used with a separate guidescope User-friendly design requires both a T-Adapter and T-Ring for camera mounting Crafted by Celestron a trusted brand in the astronomy and photography industry

6. Pentax UA-1 - Spotting scope camera adapter

Pentax UA-1 - spotting scope camera adapter

Pentax UA-1 Adapter Pentax UA-1 Adapter

7. Wilmar W1258 Telescoping Mirror, Small

Perf Tool TELESCOPING MIRROR (SMALL)

Telescoping Mirror (Small)

8. Celestron 2-inch XLT Diagonal (SCT)

Celestron 2-inch XLT Diagonal (SCT)

Introducing our new 2" XLT Diagonal. This high quality multi-coated mirror diagonal allows you to take advantage of the wider field of view provided by 2" eyepieces. Featuring our premier StarBright XLT coatings, this unit has an interferometer tested 10th wave flat mirror. This premium diagonal is designed to work with Schmidt-Cassegrain telescopes. A sturdy aluminum carrying case for travel and protection comes standard.

9. Celestron Universal T-Adapter/2x Barlow 1.25"

Become an astrophotography enthusiast with the Universal T-Adapter/2x Barlow 1.25". This essential accessory enables you to securely attach your 35mm SLR camera to the prime focus of your telescope or spotting scope, transforming your regular camera into a powerful astrophotography tool. Ideal for terrestrial photography, this T-Adapter also excels in short exposure lunar and planetary photography, capturing the celestial bodies in stunning detail. For those interested in deep-sky photography, this adapter can be used for long exposure shots when paired with a separate guidescope, allowing you to capture the mesmerizing beauty of distant galaxies and nebulae. Please note, both a T-Adapter and T-Ring are necessary to mount your camera to your instrument. Some instruments come with built-in T-Adapters, so be sure to check your equipment specifications. What sets this Universal T-Adapter apart is its integral 2x Barlow lens. This added feature can be used both visually and photographically, doubling the magnification of your telescope for closer, more detailed views and images. In essence, the Universal T-Adapter/2x Barlow 1.25" is not just an accessory, but a gateway to exploring and capturing the wonders of the universe.

Product Type: Camera Lenses Package Quantity: 1 Country Of Origin: China Includes integral 2x Barlow lens for doubled magnification Enhances visual and photographic telescope use for detailed imagery

10. Visual Back - 1 1/4"

Celestron 1.25 inch Visual Back

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