Levenhuk Ra H-Beta 1.25'' Filter passband of 472-485 nm Review
2014-11-23 9 Dailymotion
<B>Levenhuk Ra H-Beta 1.25'' Filter passband of 472-485 nm Review</b><P>http://tinyurl.com/oymflor <P><P> Levenhuk Ra H-Beta 1.25'' Filter passband of 472-485 nm <P>Filter for observations of deep-sky objects<P>Barrel diameter: 1.25''<P>
