60mm, 12mm blocking filter, 2" FT, Pressure Tuning

60mm, 12mm blocking filter, 2" FT, Pressure Tuning

FEATURES:

  • New, patented etalon technology and different components.
  • Given to less thermal disturbances and de-contacting.
  • Stylized pearl white paint with black anodized trim.
  • Clamshell mount, 10:1 Feather touch focuser with 1.5" travel and padded hard case included!

DESCRIPTION:

      Enjoy rarely-seen views of the Sun's surface and rim with the Lunt Solar Systems' 60mm f/8.3 Hydrogen-Alpha Single Etalon Refractor Solar Telescope. This dedicated solar scope features a 60mm objective lens , a 500mm focal length, and an internal etalon with a <0.75 Angstrom ban dpass. The scope is offered here with a 12mm blocking filter in a star diagonal configuration. It fits in the Feather Touch rack-and-pinion focuser and accepts 1.25" eyepieces and accessories for visual observation with a wide field of view, or imaging. Its rack-and-pinion Feather-Touch focuser features a dual-speed design with a 10:1 fine-focus for precision focusing. Feather touch focusers are generally better for handling heavier loads, such as larger imaging systems. This solar scope comes without a mount or tripod, but is outfitted with a mounting base that has a 1/4"-20 threads for attaching it to most tripods or compatible mounts. For safe transportation and storage, a foam-lined hard carrying case is included.

Optical Performance

  • 60mm aperture
  • f/8.3 focal ratio
  • 500mm focal length
  • Refractor-style optical path
  • Internal etalon with tune adjustment allows for a <0.75 Angstrom band pass at 656nm$
  • True Doppler pressure tuning allows for a shift into and away from the user for enhanced viewing

Blocking Filter

  • 12mm aperture
  • Use for visual observation with a larger field of view, or imaging
  • Fits into focuser and accepts 1.25" eyepieces
  • Star diagonal configuration

Focuser

  • 2" diameter
  • Feather-Touch design
  • Dual-speed with 10:1 fine-tuning for precision focusing
  • Feather touch focusers are generally better for handling heavier weights, as with imaging systems, than a Crayford-style
  • Aperture- 60mm
  • Emission line- H-alpha
  • Blocking or ERF aperture- 6mm
  • Bandwidth- <0.75 Angstrom at 656 nm
  • Telescope Focal Length- 500mm
  • Focuser- 2” Feather Touch
  • Focal ratio- f/8.3
  • Included tuner
  • Optical tube weight- 4.0 kg