Lunt 40mm f/10 with B500 Blocking Filter Dedicated H-alpha Solar Telescope

$749.00
Article number: LS40THa-B500
Availability: More on the Way to us
Delivery time: More on the Way to Us

Lunt Solar 40 mm Dedicated H-Alpha Telescope Features

  • Lightweight, grab-and-go design
  • Dedicated H-alpha 40 mm full aperture Lunt etalon
  • 5 mm B500 blocking filter (upgradeable)
  • Integrated Vixen-style dovetail plate
  • Suitable for both visual observing and solar photography

Looking for portability in a high performance, dedicated solar telescope? Look no further than the Lunt 40 mm dedicated H-alpha telescope with B500 blocking filter! This lightweight (under 3 pounds!), grab-and-go style solar telescope is great for observing or photographing the sun, whether at home or on your travels.

This Lunt 40 mm, dedicated h-alpha solar telescope includes a non-rotating helical focuser (upgradeable to feathertouch), B500 blocking filter, and integrated Vixen-style dovetail.

Lunt Solar 40 mm Dedicated H-Alpha Specs

  • Wavelength: Hydrogen-alpha (tuneable, dedicated)
  • Etalon Size: 40 mm full aperture
  • Etalon Tuning: Tilt through +/- 1 Angstrom
  • Etalon FWHM (Bandpass): <0.65 Angstrom
  • Etalon Peak Transmission: >88%
  • Etalon Net Finesse: 19
  • Etalon FSR (free spectral range): 12 Angstroms
  • Focal Length: f10
  • Sun Image Size: 3.7 mm
  • Objective: Precision doublet (optimized at 656 nm)
  • Blocking Filter: 5 mm standard (upgradeable to 6 or 12 mm)
  • Weight: 2.8lbs
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