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Solar Observation > Solar telescopes > Lunt Solar Systems > Allround > Lunt Solar Systems Solar telescope ST 70/420 LS60MT Ha B1200 Allround OTA
Product no.: 71088

Solar telescope ST 70/420 LS60MT Ha B1200 Allround OTA

RRP: $ 4,680.00 Our price:
$ 4,670.00 incl. VAT, plus shipping costs
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long-term
Product can be shipped as of 15.01.2025 + lead time
  • Telescope for solar and nocturnal observations
  • 2-lens ED refractor with FPL-51 special glass
  • Available aperture in H-alpha: 60mm
  • Etalon half width < 0,7 Angström
  • Sturdy R&amp;P focuser with 1:10 reduction

Product description

The LS60MT is a telescope for solar observation in H-alpha light. The H-alpha filter has a clear aperture of 60mm with no central obstruction. This produces an especially clear image. The lens can reach its full resolution potential!

In H-alpha light, solar prominences are visible at the edge of the Sun, as well as filaments and flares on its surface. Observing the Sun in H-alpha is always impressive and varied! The integrated etalon filter achieves a half width of less than 0.7 Angstrom.

This Lunt all-rounder telescope's particular strength is its modular construction... You can simply detach the red-painted H-alpha etalon and replace it with a separately available conversion kit. Then you have a high-quality ED apo with FPL-51 special glass at your disposal for night observation and astrophotography. After converting it, you can also observe the Sun in white light by using a Herschel wedge. It is also possible to use a CaK module for observing the Sun in this spectral line - a truly universal telescope!

The connection between eyepiece and camera: The block filter is built into the deflection optics which is compulsory for solar observation! This filter takes eyepieces or cameras with 1.25” sockets, but also has a T2 thread. The blocking filter is not required for nocturnal observation. The focuser can hold the zenith mirror or other accessories with 2” sockets.

PT pressure tuner: Fine-tuning on the Etalon filter is provided via an air pressure system. A small change to air pressure within a pressure chamber inside the telescope changes the refractive index of the air, resulting in precise yet effortless adjustment to the H-alpha spectral line. The pressure tuner guarantees a uniform image with no central obstructions and a long-lasting wear-resistant etalon.

The B1200 blocking filter is well-suited to visual solar observation. Solar photography is also possible with cameras which have a small sensor chip, namely typical planetary cameras. For cameras with medium-sized or large sensors, a telescope with a larger blocking filter should be used so that the sensor will be well illuminated.

Includes:

  • LS60MT multi-purpose telescope
  • Pressure tuner
  • Blocking filter in diagonal mirror
  • 2” rack and pinion drawtube
  • Tube bracket with 1/4-20 thread for tripods
  • Carry case
  • Operating instructions

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page "Telescope ABC" beginners handbook with every telescope.

Specifications

Optics


Type
Refractor
Type of build
Solar H-Alpha
Aperture (mm)
70
Focal length (mm)
420
Aperture ratio (f/)
6
Resolving capacity
1,97
Limit value (mag)
11
Light gathering capacity
100
Max. useful magnification
140
lens design
Doublet
Coating
FMC
Double Stack
no
Blocking Filter (mm)
12
Filter systems
H-alpha
Tube weight (kg)
3,8
Tube length (mm)
400

Focuser


Type of build
rack and pinion
Connection ( to eyepiece)
2
Connecting threaded socket (camera-side)
T2
Gear reduction
1:10 fine focusing

Mount


Type of build
OTA
Mounting type
no mount

Included accessories


Finder scope
without
Dew Shield
yes
Deviating optics
Blockfilter
Prism rail
without
Carrying handle
yes
Extension tubes
yes
Transport cases
yes
Tube clamps
yes

General


Series
Allround
shipping weight (kg)
8,3
Carry case dimensions (cm)
53x33x17

Area of application


Astrophotography
yes
Moon & Planets
yes
Nature Observation
no
Nebulae & galaxies
yes
Sun
yes

Recommended for


Beginners
no
Advanced
yes
Observatories
no

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*All prices include VAT plus shipping costs.

Lunt Solar Systems Solar telescope ST 70/420 LS60MT Ha B1200 Allround OTA
Apochromat Doublet
Lunt Solar Systems Solar telescope ST 70/420 LS60MT Ha B1200 Allround OTA
Modular system
Lunt Solar Systems Solar telescope ST 70/420 LS60MT Ha B1200 Allround OTA
Transport cases
Lunt Solar Systems Solar telescope ST 70/420 LS60MT Ha B1200 Allround OTA
Allrounder

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