SHARPSTAR AL-140PH APO TRIPLET F/6.5 Flattener:With reducer Advantages of QHY PoleMaster

SKU: 55783627331

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SHARPSTAR AL-140PH APO TRIPLET F/6.5 Flattener:With reducer Advantages of QHY PoleMasterThe Sharpstar AL 140PH APO is an apochromatic triplet with a focal ratio of f 6. 5 and a focal length of 910mm. The objective lens includes two Extra Low Dispersion glass for a superb chromatic correction. The large rack and pinion 4" focuser can be rotated 360and it has a reduction gear of 1: 10 for precise focusing. This refractor works at its best when used with the SharpStar 2. 5" field flattener for superior performance in astrophotography. The

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