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Ls60Thads50 0.55A B1200 View larger

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Ls60Thads50 0.55A B1200



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3 555,00 €

Ordered upon request

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This telescope is delivered with two filters Etalon, one internal and one external. The LS60THaDS50 can 'be used only with the internal filter with a diameter of 60mm to obtain a bandwidth of less than 0.75 Angstroms or by adding of the second filter from 50mm diameter to reduce the bandwidth to values ​​lower to 0.55 Angstroms.

The best images of the Sun you definitely get with the double filter. The reduction of the passband of 0.75 Angstroms to 0.5 Angstroms seems bring to life the Sun's surface. But add a second Etalon not 'as simple as it may' look. Both filters must be aligned and both must be adjustable (Tuning) in order to eliminate all ghosting. Ideally the curve of transmissivity 'should overlap perfectly to provide better resolution and higher contrast. Both filters in this telescope are adjusted at the factory to provide an optimized system yet easy to use.

The focal length of the telescope and' 500mm. The blocking filter and 'the B1200 which provides less vignetting and and' therefore recommended for photography. The diagonal in which the blocking filter and 'installed accepts eyepieces 31.8mm and has a T2 photographs. The focus is through a dual speed Crayford focuser '.


  • Diameter: 60 mm or 50 mm
  • Focal length: 500 mm
  • Bandwidth: <0.75 Angstrom or
  • Tuning: tiltable Etalons
  • Filter lock: B1200 attack with 31.8 mm and thread T2
  • Focuser: Crayford with reduction 10: 1
  • Weight: 3.7 kg
  • Length: 46 cm

    LS60THaDS50 Double Stack

    The bandwidth of an H-alpha telescope Can be reduced by combining two filters Etalon together. This is called "" duoble stack "" and allows you to increase the contrast of many details. The best result is obtained when the two Etalon are optimized together. The systems to double stack of Lunt Solar Systems ensures that both filters are perfectly matched. Also they are adjusted to eliminate ghosting. The telescopes LS60THaDS50 double stack are shipped with two Etalon, one internal and one external. The telescope Can be used with only the internal Etalon to a bandwidth of less than 0.75 angstroms and a diameter of 60mm or together with the second external filter with a bandwidth less than 0,55A and 50mm diameter. These telescopes are disponiibli also with the system Pressure-Tuner. The double-stacking with Pressure Tuner allows you to get a lower band to 0.50 Angstroms. "

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