Orion’s Dual-Speed Crayford Refractor Focuser is compatible with five of Orion’s refracting telescopes. The unit offers backlashfree movement and an 11-to-1 reduction from coarse to fine focus. It ...
Wide-field imaging is a passion of mine. Something about capturing a large swath of the night sky filled with delicate billows of ionized hydrogen stimulates the imagination and creates a sense of awe ...
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