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Ships within 48 hours · Estimated delivery Oct 20 - Oct 25
5x Increase of Nominal Focal Length
and camera(s)
71 kg) Accessory Tray Yes Tripod Weight 18 lb (8
including the Twilight Mount from Explore Scientific
Introducing the new iOptron Photron 250 mm (10") Ritchey-Chretien (RC) Astrograph
Night Sky Guide 2026 - Royal Astronomical Society of Canada Admin - Set to No Backorders 5x Increase of Nominal Focal2026 Night Sky Guide From Royal Astronomical Society of Canada 2026 Night Sky Guide is the ideal resource for both novice and experienced sky watchers in the United States and Canada, with all the advice, information and data that enthusiasts need to understand and enjoy the wonders of the night sky. This in depth guide introduces readers to the objects in the sky from stars, to comets, to globular clusters and then takes them through the cosmic
US$ 6945.00
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