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Solar Observation > Solar telescopes > Lunt Solar Systems > Lunt Solar Systems Solar telescope Lunt ST 60/500 LS60T Ha C OTA
Product no.: 15900

Solar telescope Lunt ST 60/500 LS60T Ha C OTA

$ 1,690.00 incl. VAT, plus shipping costs
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Product description

Important:

please note that there is NO blocking filter with this telescope. To ensure a completely safe use of that telescope, you need to add an optional filter. You may either choose an upright filter for astrophotography (like model 15928.) Or a visual filter in a diagonal such as 15936 for example. Please note that the filter has to be chosen in accordance to the telescope you have! You have to choose it according to the focal length of the telescope.

The refractor based system has a precision aligned singlet chromatical lens with a 60mm aperture. The front singlet lens reduce half the straylight of an achromat , fully eleminate the possibility for on axis coma, astigmatism, decentering aberrations and provides with the matched collimation lens set a full spherical corrected flat-field Solar-Telescope. The focal length is 500mm providing a ~4.5 mm image thru a optional 6mm blocking filter.

Specifications:

  • Optical Aperture: 60mm
  • Focal Length: 500mm
  • Etalon: Internal <0.7 Angstrom
  • 2 "Crayford Focuser with 1:10 reduction

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.
  • We also provide an edition of the exciting astronomy magazine, “Sterne und Weltraum” with each telescope.

Our expert comment:

At Lunt telescopes, there are a number of variants with different options. It is possible to find out which model is being offered by looking at the designation.

An important criterion, also reflected in the price, is the size of the blocking filter. There are 3 different blocking filter sizes: 6mm, 12mm and 18mm in diameter. The designations for these are B600, B1200 and B1800 respectively. If there is nothing in the title, then it is an OTA without a blocking filter!

CaK or Ha mean that the instrument has been optimized for the blue calcium line or the red H-alpha line. Over 90% of instruments sold are H-alpha instruments, with the designation Ha.

C or FT refer to the two different focuser versions. C means the standard focuser and FT means an improved model from FeatherTouch.

PT is the designation for instruments with fine tuning that uses air pressure. Non-PT filters have fine tuning that works by tilting. The air pressure version usually provides a somewhat more homogeneous field.

DS or DS50 is the term for a 'double stack'. These instruments have two Etalon filters. This achieves a tighter bandwidth and therefore better contrast.

In addition, you can find 2 numbers in the title separated by a slash. The first number indicates the diameter of the front lens. The second number is the focal length. So a 60/500 telescope would have a 60mm aperture and a focal length of 500mm. The lens diameter is usually also the diameter of the Etalon supplied.

Specifications

Optics


Type
Refractor
Type of build
Solar H-Alpha
Aperture (mm)
60
Focal length (mm)
500
Aperture ratio (f/)
8,3
Resolving capacity
1,92
Light gathering capacity
73
Max. useful magnification
120
Double Stack
no
Tube construction
Full tube

Focuser


Connection ( to eyepiece)
1,25"

Mount


Mounting type
no mount
Type of build
OTA
GoTo control
no

Area of application


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

Recommended for


Beginners
yes
Advanced
yes
Observatories
no

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*All prices include VAT plus shipping costs.

Lunt Solar Systems Solar telescope Lunt ST 60/500 LS60T Ha C OTA

A comparison of the Sun in the blue light of the LS60T CaK and the red light of the LS60T Ha.

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