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Whether you're building your own telescope from scratch or making some much-needed improvements on a store-bought scope, our Telescope Components will make your project a whole lot easier. Our easy-to-install 4-vane, fully adjustable spiders can save you hours of time and trouble, and will make collimation a snap!

Fully Adjustable 4 Vane Spiders

The Spider and Diagonal Holder Assembly (the "spider") holds the elliptical secondary mirror (diagonal mirror) securely in place and provides an easy method of adjustment and alignment for the mirror.

e-Scopes® 4-vane spiders fit telescope tubes from 7 to 15 inches inside diameter. Complete installation instructions are included.

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Coulter Optical, Odyssey & e-Scopes are REGISTERED TRADEMARKS of Murnaghan Instruments Corp.
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