Lunt - 60mm H-Alpha Solar-Telescope with B1200 blocking filter and 2 " Feather Touch Focuser

Delivered with order: • optical tube with 2 inch feather touch focuser and tube ring • B1200 blocking filter • transport case

The refractor based telescope has a precision aligned singlet chromatical lens with a 60mm aperture. An internal etalon with tune adjustment allows for a <0.75 Angstrom bandbass. The focal length is 500mm providing a ~4.5mm image thru a 12mm blocking filter . Focus is achieved with aStarlight Instruments 2" Feather Touch Focuser style focuser with 10:1 reduction standard.

The LS60/Ha is a complete Solar Telescope. The refractor based system has a precision aligned singlet chromatic lens with a 60mm aperture. The front singlet lens reduce half the stray light of an achromat, fully eliminate the possibility for on axis coma, astigmatism, decentering aberrations and provides with the matched collimation lens set a full spherical corrected flat-field Solar-Telescope. The focal length is 500mm providing a ~4.5 mm image through a 6mm blocking filter. Fine adjustment is achieved with a Crayford style focuser or feather touch focuser with 10:1 reduction standard. An internal etalon with tune adjustment allows for a <0.8 Angstrom bandpass.