SKYWATCHER QUATTRO 250 f/4 OTA 550 + 90 mm Weight

SKU: 78084073234

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SKYWATCHER QUATTRO 250 f/4 OTA 550 + 90 mm WeightThe SkyWatcher 250 Quattro is a Newtonian telescope with the super fast focal ratio of f 4. If compared with a f 5 telescope, the photographic exposure with a f 4 system is 40% shorter, making it a great time saver. This instrument is ideal for astrophotography and when used with the SkyWatcher aplanatic coma corrector, it will deliver sharp images across a large flat field. The 2" Crayford focuser is solid, precise and backlash free. It operates at

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