Ra R115 ED Triplet OTA by Levenhuk

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$1,950.97 / EA
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Apochromatic refractor. Objective lens diameter: 115 mm. Levenhuk Ra R115 ED Triplet OTA is a perfect choice for serious astronomical observations. The tube has an objective lens diameter of 4.5 inches. The three multi-coated lenses of the tube's objective lens are made of ED glass and provide clear high-quality views with no chromatic aberrations. Levenhuk Ra R115 ED Triplet OTA is equipped with a dual-speed Crawford focuser that ensures high precision focusing with no backlash. Thanks to its metal construction, this model is very sturdy and reliable and will stay in great condition for decades. Specifications: Optical design: apochromatic refractor Objective lens: three-element, FK61 glass Objective lens diameter (aperture), in: 4.5 Focal length, in: 31.7 Focal ratio: f/7 Optics material: ED glass Optics coating: fully multi-coated Optical tube material: metal Focuser: 3'' dual-speed Crayford focuser Eyepiece barrel diameter: 1.25-2'' Tube-mount assembly system: dovetail plate Optical tube dimensions, in: 28.5x34.5 Optical tube diameter, in: 5.7 Optical tube weight, lbs: 15.8

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