GSO N-114/455 4,5 F/4 M-R&P Reflector Carbon ZWO EAF compatible (SKU: GS280 / GSN280C) optical tubes OTA opinie

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The GSO N-114/455 4.5" f/4 astrograph is a compact Photo-Newton telescope designed for wide-field astrophotography and use with modern astronomical cameras. The fast f/4 focal ratio combined with a parabolic primary mirror allows efficient imaging of deep-sky objects with relatively short exposure times. The carbon-fiber tube provides high mechanical rigidity and excellent focus stability under changing temperature conditions, which is especially important during long imaging sessions. The optical tube is equipped with a precision rack-and-pinion focuser fully compatible with the ZWO EAF electronic focuser, making this telescope well suited for both portable imaging setups and automated astrophotography systems.

Technical specifications

• primary mirror diameter: 4.5" / 114 mm
• focal length: 455 mm
• focal ratio: f/4
• mirror figure: rotational paraboloid
• secondary mirror: 35 mm
• mirror reflectivity: 94%
• 2" rack-and-pinion focuser with 1.25" adapter and microfocuser, compatible with ZWO EAF
• carbon-fiber tube with a diameter of 13.5 cm
• includes tube rings, standard small Vixen-style finder shoe, and dust cap
• dovetail: Vixen, length 33 cm
• tube length: 37 cm
• weight: 2.61 kg