Coronado SolarMax 90 H-Alpha System – a ReviewCoronado SolarMax 90 H-Alpha System – a Review
<p><strong>By Kevin Berwick</strong></p> <strong>Introduction</strong> <table border="0" cellspacing="0" cellpadding="0" width="210" align="right"> <tr> <td width="10"></td> <td align="center"> <p class="small">SolarMax 90 Etalon</p> </td> </tr> </table> <p>I recently decided to buy a SolarMax 90 filter from Coronado. Before I launch into the review proper,