| http://www.w3.org/ns/prov#value | - No other commercially available H-Alpha telescope can provide the tuning range and accuracy of the SolarMax II DS. Now you can tune for the highest contrast views of active regions, flares, filaments, and other surface detail at a finger???s touch, then quickly and easily re-tune for prominences on the solar limb.The SolarMax II 60 DS has a manual 1.25??? drawtube that extends for a coarse initial
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