4
A few more definitions
Hydrogen-alpha:
The wavelength of light in the spectrum that these scopes allow you to look at. Centered at
656.28nm.
Bandwidth:
The width of light at a given wavelength that is allowed to pass. The LS152THa is <0.65 Angstrom.
Angstrom:
The unit of measurement for light. 1 Angstrom = 0.1nm.
Etalon:
A resonating cavity produced thru the fabrication of highly precise optical surfaces.
Technical data
Aperture:
152mm
Focal Length:
900mm
Bandwidth:
<0.65 Angstrom
Tuning:
air-pressure tuning system “Pressure Tuner”
Lunt-Solar-Systems - Exclusive European Distributor
Bresser GmbH
Gutenbergstrasse 2, D-46414 Rhede, Germany
Phone: +49 (0) 2872 – 80 740
E-Mail: [email protected]
www.bresser.de
