H-alpha 0.7x Telecompressor 2″ for Solar Spectrum ;
Mounted directly on the SolarSpectrum filter on the eyepiece side and
reduces the previously extended focal length by a factor of 0.7 ;
Working stand 110mm (distance to camera sensor) ;
Thread 2″ male. / 2″ male. (suitable for 2″ universal flange
#2958240) ;
For photographic or webcam applications, the telecompressor is used
to adjust the focal length to possibly bad seeing conditions