Hutech Astronomical Products Equipment for the Serious Amateur Astronomer
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Specifications: Focal length : 500mm F-ratio : 5.6 Weight : 2.0kg Length : 443mm Included components* : 2591 7101 77491 7137 7835 7508 7509 7000 * An additional selection from the 5xxx series of adapters (e.g. 5003 for Nikon) must be purchased separately to mate to your specific camera. Part #6291 90FL OTA (black) 2018-01-03