Lunt 40mm THa Solar Telescope BF1200


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SKU: LS40Tha-1200


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    Lunt 40mm THa Solar Telescope BF1200

    • The New Lunt 40mm Solar Telescope is a F/10 hydrogen-alpha dedicated telescope.
    • Blocking Filter : B1200 Standard (12mm) – ideal for Solar imaging
    • 3.67mm Image Size
    • External Full Aperture Lunt Etalon with tilt-tuning adjustment allows for a 0.65 Angstrom bandpass.
    • The Lunt 40mm comes with an integrated vixen style dovetail (with integrated 1/4-20 tapped holes for camera mount) and non-rotating helical focuser (upgradeable to Feather Touch). It’s the perfect telescope for beginners & enthusiasts alike. (Eyepiece not included).

    The All New Lunt LS40THa-1200 Solar Telescope provides the basic essentials perfect for a first time introduction to solar observing. A true grab and go dedicated hydrogen alpha telescope, the Lunt 40mm F/10 system is sure to impress allowing both amateur and seasoned professions to experience  the awe inspiring phenomena of our closest Star!

    Easily portable and a joy to use, the Lunt 40mm joins the Lunt Telescope line up as our smallest aperture offering, while providing the power,  amazing detail and quality you expect from a Lunt Telescope -all at an impressive ~4.0mm Solar Image Size!

    The Lunt 40mm Hydrogen Alpha Telescope includes a Non-Rotating Helical Focuser, integrated Vixen Style Dovetail, and B1200 12mm Blocking Filter for both visual and photography purposes.

    Specifications Lunt LS40THa-1200: 

    • System Wavelength: 28nm. Hydrogen-alpha (tuneable, dedicated)
    • System Focal Length: f10
    • Sun Image Size: 67mm
    • Objective: Precision Doublet (Optimized at 656nm)
    • Blocking Filter:  12mm
    • Etalon Size: 40mm full aperture precision Lunt Etalon
    • Etalon Peak Transmission: >88%
    • Etalon Net Finesse: 19
    • Etalon FSR (Free Spectral Range): 12 Angstroms
    • Etalon Tuning: Conventional Tilt through +/- 1 Angstrom
    • Etalon FWHM (Bandpass): <0.65 Angstrom
    • Weight of Telescope: 3.7kg

    Additional Features:

    • Integrated Vixen Style dovetail plate (included) with integrated 1/4-20 tapped holes in base for camera mounts
    • Non-rotating helical focuser (included) (upgrade to FT available)
    • Sol-Searcher (Included)
    • DS (Doublestack) available by pre-order soon (Optional accessory) (not included)
    • Fitted Foam
    • Color: Pearl White with Black and Red accents

    Suggested Accessories: (not included above)

    • Hard Case
    • Lunt Zoom Eyepiece
    • Lunt 19mm Eyepiece
    • Doublestack Filter (TBD)
    • Solar Tracking Mount



    • Bandpass FWHM:
    • Lunt 40mm (Single Stack): <0.65Angstrom External Etalon

    Etalon Size: 

    • Lunt 40mm: External 40mm clear aperture (no obstruction)


    • Lunt 40mm: Conventional front mount tilt tune

    Blocking Filter:

    • Lunt 40mm: 12mm standard


    • Lunt 40mm: Non-rotating Helical, Upgradeable to Feather Touch

    Sun Finder:

    • Lunt 40mm: Tele Vue Sol Searcher included (alignable)

    Mount Attachment:

    • Lunt 40mm: Vixen Style dovetail with integrated 1/4-20 tapped holes for camera mounts included

    Country of Manufacture:

    • Lunt 40mm: USA (Tucson, Arizona)

    Etalon Specification:

    • There is no comparing Lunt Etalon specifications with any other brand. Other brands simply do NOT provide their specifications. Compare and SEE the difference a Lunt Etalon makes.

    Lunt Warranty:

    To register your product go to our Product Registration Page! For information on activating your warranty see Warranty Info.

    NOTE: If you purchased a LUNT Solar Systems LLC product from a LUNT Solar Systems LLC dealer, and that product is found to be damaged upon receipt, you must contact the LUNT Solar Systems LLC dealer from whom you purchased the product for information on their return policy for product inspection and repair. This includes any and all international purchases.

    This Warranty is extended by LUNT Solar Systems LLC to the original purchaser of the LUNT Solar Systems LLC product. LUNT Solar Systems LLC does not provide warranty service to used or second hand equipment. Lunt Solar Systems LLC warrants its products to be free of manufacturing and workmanship defects under normal use for a period of 5 years from the date of purchase. LUNT Solar Systems LLC will repair or replace such product or part thereof which upon inspection by LUNT Solar Systems LLC, is found to be defective in materials or workmanship.

    Have a question about this product?

      CALL NOW : +61 2 9518 7255 OR EMAIL BELOW

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