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Telescopes, Binoculars, Accessories for Astronomy. Beginners to Experts. Ask the astronomers for info & advice. Astronz, Auckland Astro Society Online Shop
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  • Focal Reducer 0.5x 1.25"
    $32 +
    Focal Reducer 0.5x 1.25"
    The 0.5x focal reducer provides a nominal reduction of 0.5 times and could screws on to any 1.25" eyepiece barrel. The actual focal length reduction will vary a little over or under 0.5x depending on where the focal reducer is placed exactly in the optical path.The reducer features 2-element fully m...
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  • Focal Reducer 0.5x 2"
    $59 +
    Focal Reducer 0.5x 2"
    The 0.5x focal reducer provides a nominal reduction of 0.5 times. The actual focal length reduction will vary a little over or under 0.5x depending on where the focal reducer is placed exactly in the optical path.The reducer features 2-element fully multi-coated optical design and blacked lens edges...
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  • Focal Reducer 0.75x
    $159 +
    Focal Reducer 0.75x
    0.75x Focal ReducerDesigned for Ritchey-Chretien telescopes, this two-element optical component reduces the scopes effective focal length by 0.75x. It enables a wider field of view and shorter exposure times for astrophotography.For example, it converts an f/8 scope to f/6 or an f/9 scope to f/6.75...
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  • Coma Corrector 2"
    $159 +
    Coma Corrector 2"
    Suitable for Newtonian telescopes from f/4 and slower.This coma corrector can be placed completely inside a 2" focuser and offers a high grade of correction and also a low degree of vignetting. The generous back focus of 70mm allows the use of off-axis-guiders.M48 thread connection for good field il...
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  • Celestron 0.63x Focal Reducer
    $329 +
    Celestron 0.63x Focal Reducer
    This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9.25", 11" and 14" Schmidt-Cassegrain telescopesThis makes it possible to have a dual focal ratio instrument, without sacrificing image quality. The Reducer/Corrector makes the C5, C6, C8, C9.25 an...
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