Telescope Optical Tubes

Explore our reviews of telescope optical tubes, the core component that houses the lenses or mirrors responsible for gathering and focusing light. Ideal for astronomers upgrading existing mounts or building custom setups, this category covers refractors, reflectors, and catadioptric designs suited to every experience level and budget.

Ausi Optical Tube Ring Clamp

• Compatibility: Fits optical tubes with an inner diameter of 80mm or 90mm
• Protection: Lined with protective pads to prevent scratching or marri...
• Function: Optical tube clamp ring for securing telescopes to mounts...

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2-Inch Telescope Extension Tube

• Barrel Size: Standard 2-inch (50.8mm) barrel compatible with most 2-in...
• Optical Length: 50mm usable optical path extension
• Total Length: 85mm overall physical length

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SVBONY SV157 Extension Tube

• Barrel Size: Standard 1.25-inch, compatible with most telescopes and f...
• Optical Length: 34mm extension to increase back-focus distance between fo...
• Filter Threads: Accepts standard 1.25-inch filters on both the input and ...

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SVBONY SV158 Extension Tube

• Optical Length: 55mm of usable optical extension
• Total Length: 90mm overall physical length
• Barrel Size: Standard 2-inch (50.8mm) barrel for broad compatibility

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Yctze 90mm Telescope Tube Ring

• Material: Aluminum alloy construction for lightweight durability an...
• Inner Diameter: 90mm inner bore designed to fit standard 90mm optical tel...
• Lining: Anti-scratch velvet interior lining protects the telescop...

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Celestron 94026 Telescope Bag

• Compatibility: Fits 8-inch Schmidt-Cassegrain and EdgeHD optical tubes f...
• Material: Water-resistant exterior fabric with durable stitching fo...
• Protection: Padded interior walls cushion the optical tube against bu...

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Celestron 94030 Telescope Bag

• Compatibility: Designed specifically for Celestron 9.25-inch Schmidt-Cas...
• Material: Water-resistant exterior fabric with padded protective in...
• Storage: Includes a dedicated accessory pocket for eyepieces, caps...

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Celestron 94027 Telescope Bag

• Compatibility: Designed specifically for 11-inch Schmidt-Cassegrain and ...
• Material: Water-resistant outer fabric with padded protective inter...
• Storage: Includes a dedicated accessory pocket for eyepieces, caps...

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