Christmas is fast approaching! To make sure your gifts arrive on time and shine under the tree on December 24th, place your orders now!


More products from the brand :Lunt

LS50THa solar spotting scope with B400 blocking filter

Original price was: CHF 1'529.Current price is: CHF 1'099.

Reference LUNS-0004

Disponible en stock chez le fournisseur

Free delivery
Easy, free returns

Discover the Lunt LS50THa: compact, high-performance solar telescope

The Lunt LS50THa is a compact, high-performance solar telescope designed for observing the Sun in H-alpha light. Ideal for solar astronomy enthusiasts, this telescope lets you explore fascinating details such as prominences, filaments, solar flares and chromospheric granulation. Available in two versions, B400 and B600, it adapts to your needs, whether you're a visual observer or an astrophotographer.

Key features

  • Opening : 50 mm (without central obstruction).
  • Focal length : 350 mm (f/7).
  • Internal standard filter : Bandwidth <0.75 Å for exceptional H-alpha contrast.
  • Pressure Tuner System : Precise pressure adjustment to optimize visible details on the solar disk.
  • Helical focuser : Compatible with standard 1.25" eyepieces.
  • Double stacking possible: Upgradeable with the addition of the LS50C double-stack filter to reduce the bandwidth to <0.5 Å and reveal even more detail.

B400 version

  • Perfect for visual observation: Field suitable for standard eyepieces.
  • Compact and lightweight: Ideal for novice astronomers.

B600 version

  • Extended field : Ideal for wide-field eyepieces.
  • Recommended for astrophotography: Better compatibility with cameras.
  • More versatile : While remaining portable.

Why choose the Lunt LS50THa?

  • Maximum safety : Designed for safe solar viewing thanks to its certified blocking filters.
  • Exceptional optical quality: Reveals the fascinating details of the Sun with impressive contrast.
  • Portability : Lightweight and compact, it's easy to transport and install.
  • Scalability : Add a double stack (LS50C) to further enhance your observations.

Included in the pack:

  • Lunt LS50THa solar telescope with Pressure Tuner system.
  • Integrated angled return with blocking filter (B400 or B600, depending on version selected).
  • 1.25" helical focuser.
  • Instruction manual.

Recommended applications:

  • Visual observation : Ideal for observing protuberances, filaments and sunspots.
  • Solar astrophotography : B600 version recommended for optimum results.

Make your choice:

  • 👉 LS50THa/B400 : For simple, effective visual observation.
  • 👉 LS50THa/B600 : For a more versatile experience, including solar imaging.

Treat yourself to a window onto our star with the Lunt LS50THa solar telescope!

Products in the same category

Skywatcher Heliostar-76Ha - Lunette solaire H-alpha
Skywatcher Heliostar-76Ha - H-alpha sunglass
CHF 2'299
Lunette d'observation solaire LS50THa avec filtre bloquant B400
LS50THa solar spotting scope with B400 blocking filter
Original price was: CHF 1'529.Current price is: CHF 1'099.
Sky-Watcher HELIOSTAR-100Ha
Sky-Watcher HELIOSTAR-100Ha
CHF 4'789
Apollo-M MAX PRO
Apollo-M MAX PRO
Original price was: CHF 899.Current price is: CHF 649.
Filtre bloquant Lunt  pour l'observation du soleil en H-alpha B3400 - Tube droit 2"
Lunt blocking filter for H-alpha sun observation B3400 - 2" straight tube
CHF 3'499
Filtre Antlia Solar Discover 3nm Calcium (CaK) 3nm
Antlia Solar Discover 3nm Calcium (CaK) 3nm filter
CHF 379
Filtre bloquant Lunt  pour l'observation du soleil en H-alpha B1800 - Tube droit 2"
Lunt blocking filter for H-alpha sun observation B1800 - 2" straight tube
CHF 1'999
lunt LS60MT avec filtre bloquant B600 - Lunette universelle (solaire et ciel profond)
lunt LS60MT with B600 blocking filter - Universal telescope (solar and deep sky)
Original price was: CHF 3'699.Current price is: CHF 2'399.
Lunt LS130MT avec filtre bloquant B3400 - Lunette universelle (solaire et ciel profond)
Lunt LS130MT with B3400 blocking filter - Universal telescope (solar and deep sky)
Original price was: CHF 14'899.Current price is: CHF 9'999.
Filtre bloquant Lunt pour l'observation du soleil en Calcium-K B1200 - Tube droit 2"
Lunt blocking filter for Calcium-K B1200 sun observation - 2" straight tube
CHF 2'499
DayStar Quark - Magnésium I b2-line
DayStar Quark - Magnesium I b2-line
CHF 1'399
Prisme de Herschel Antlia CaK 3nm
Herschel Antlia CaK 3nm prism
CHF 349
Filtre bloquant Lunt  pour l'observation du soleil en H-alpha B600 - renvoi coudé 1.25"
Lunt blocking filter for H-alpha sun observation B600 - 1.25" angled return
CHF 1'299
Filtre bloquant Lunt pour l'observation du soleil en H-alpha B500 - renvoi coudé 1.25"
Lunt blocking filter for H-alpha sun observation B500 - 1.25" angled return
CHF 499
Lunt LS60MT avec filtre bloquant B1200 - Lunette universelle (solaire et ciel profond)
Lunt LS60MT with B1200 blocking filter - Universal telescope (solar and deep sky)
Original price was: CHF 4'299.Current price is: CHF 2'699.
Filtre bloquant Lunt  pour l'observation du soleil en H-alpha B1200 - renvoi coudé 1.25"
Lunt blocking filter for H-alpha sun observation B1200 - 1.25" angled return
CHF 1'299

Our new products

Case n°5 du calendrier de l'Avent 2025
Box n°5 of the 2025 Advent calendar
Original price was: CHF 139.Current price is: CHF 69.
Jupe de protection pour dobson 10" et 12" Explore Scientific
Protective skirt for dobson 10" and 12" Explore Scientific
CHF 99
ToupTek GPCMOS02000KMA - IMX290 Mono
ToupTek GPCMOS02000KMA - IMX290 Mono
Original price was: CHF 139.Current price is: CHF 69.
Case n°4 du calendrier de l'Avent 2025 - Une monture !
Case n°4 of the 2025 Advent calendar - A frame!
Original price was: CHF 2'228.Current price is: CHF 1'818.
Calendrier Astronomique 2026 par notre super Arnaud !
2026 Astronomical Calendar by our super Arnaud!
Price range: CHF 50 through CHF 130
Troisième case du calendrier de l'Avent 2025 - Rotateur V2 Pegasus !
Third square in the 2025 Advent calendar - Rotator V2 Pegasus!
Original price was: CHF 659.Current price is: CHF 559.
Bague SCT-2" Celestron
SCT-2" Celestron ring
Original price was: CHF 40.Current price is: CHF 30.
Sky-Watcher HELIOSTAR-100Ha
Sky-Watcher HELIOSTAR-100Ha
CHF 4'789
Deuxième case du calendrier de l'Avent 2025 - Saddle Powerbox
Second square in the 2025 Advent calendar - Saddle Powerbox
Price range: CHF 349 through CHF 389
Première case du calendrier de l'Avent 2025
First square in the 2025 Advent calendar
Original price was: CHF 758.Current price is: CHF 459.
[category_menu_mobile]