Lunt Solar Systems LS60MT Manual


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Manual
LS60MT modulare Multipurpose Telescope
Modular designed multipurpose telescope, both for observing the sun in the H-alpha wavelength, as well as
for night sky observations. Easy conversion between the different applications with a few simple steps.
Included Contents:
- LS60MT telescope with 2-lens ED optics
- H-alpha unit with Pressure-Tuner
- Blocking-filter B600 or B1200. Please note: at the version without blocking-filter is for
solar observing a additional available blocking-filter absolutely needed!
- Tube-ring with 1/4-20 tapped base (standard thread for photo-tripods)
- 6 knurled screws for easy conversion of the telescope
- Protection caps for the H-alpha unit
- Transport case
Congratulations and thank you for purchasing the modular LS60MT telescope from Lunt Solar Systems!
Enjoy observations in different wavelengths with this small and easy to transport telescope. The 2-lens ED
optics guarantee an excellent image in all applications.
Safety Information:
There are inherent dangers when looking at the Sun thru any instrument. Lunt Solar Systems has taken your
safety very seriously in the design of our systems. With safety being the highest priority we ask that you read
and understand the operation of your telescope or filter system prior to use. Never attempt to disassemble
the system in a other way as described in this manual! Do not use your system if it is in someway
compromised due to mishandling or damage. Please contact our customer service with any questions or
concerns regarding the safe use of your instrument.
Never look at the Sun with your naked eye or with a telescope that is not specifically designed to do
so. Permanent and irreversible eye damage may result!
Never leave the solar telescope unsupervised while pointed at the Sun. People who are not familiar
with the correct operating procedures of the system may inadvertently replace the diagonal or
remove the filter itself not being aware of the integrated safety features of each.
The Lunt Solar filter/telescopes are not interchangeable with competitor products.
A Lunt Solar Systems solar telescope houses many optical elements that are all pre-aligned and fixed at the
factory. There are no user serviceable parts inside the scope. The telescope should never be taken apart,
except for the modification as described in this manual! This will not only void your warranty leading to costly
repairs, it can only serve to further damage the instrument and compromise its safety.
Most Lunt Solar Systems filters and telescopes house a delicate optical element referred to as an Etalon.
These Etalons are suspended in the system housing in an effort to both protect it and isolate it from outside
influences, which could de-tune the Etalon filter. Extensive research has been done to assure the best
performance of what is essentially the "heart" of the system while protecting it from the day-to-day bumps,
jarring, and vibrations of normal use. However, the instrument should never be subjected to shock due to
being dropped. Mishandling of the filters system will cause the Etalon to de-contact (not covered under
warranty) and will render the instrument useless until repaired.
The instrument should be stored in its original case. As with any precision optical instrument it should be
kept in as low a humidity area as possible.
With proper handling and care the filter should last a lifetime.
2
Okay let's get started...
Note:
- During shipping some knurled screws at tube or focuser may become loose. Simply tighten the screws.
- Included are 6 knurled screws. The headless screws on the red H-alpha unit can be replaced by these
knurled screws to make it easier to convert the telescope later:
For solar observing in H-alpha:
Safety First!
- Always check any telescope before use for solar observing. Do not use any telescope or filter that
appears to be damaged. Verify that all glass and filters are in place.
- The Blocking Filter diagonal or extension tube must always be used with the Lunt telescope or filter
for solar observing.
For sun observation 60mm of the telescope's aperture is used and the focal length is 420mm. The etalon
with the air pressure tuning provides a bandwidth of <0.7 Angstrom.
Install the LS60MT telescope on a photo tripod or with an additionally available dovetail rail on an
astronomical mount.
Pull the blocking-filter diagonal slide tube out about 50mm. Put the focus tube at about 50% of travel.
Place a ~25mm eyepiece in the focus end so you have the largest field of view to look at. If you do not have
a Sol Searcher you can use the shadow cast by the Sun on the front objective cell against the clamshell.
Center one on the other and you should be close. Look thru the eyepiece. Do you see a fuzzy red ball? If
not, make sure you have removed the dust cap from the front. Try to re-align the Sol Searcher and look
again. After some trial and error the Sun should appear in the eyepiece. Once the Sun is centered now is a
good time to adjust a Sol Searcher.
Focus: It is amazing how many people walk up to a solar telescope and take a quick look thru without ever
focusing. Course focus is achieved by moving the diagonal drawtube in and out (only B1200 or B1800).
Medium focus is achieved using the larger black knobs on either side of the focuser assembly. Fine focus is
achieved with the 10:1 reduction (smaller red knob). The fine focus is often too fine for visual use, but comes
in very handy if you are imaging. Focus so that the edge of the Sun is as sharp as possible.
Tuning: On the side of the scope is a large black cylinder. This cylinder is the tuning system for the H-alpha
filter. Now we will describe how to bring 656.28nm wavelength on band. The black handle of the cylinder
system has a 4 start thread attaching it to the brass cylinder body. Unscrew the black handle completely and
carefully pull the piston from the cylinder. There may be some resistance and a faint pop as the air enters
the cylinder. This is normal. This has reset the system for your altitude. Carefully re-thread the handle onto
the body and engage the threads about one turn. While looking thru the eyepiece gently turn the black
handle onto the cylinder body. There will be little resistance at first, but as the pressure in the cylinder builds
the resistance will increase slightly. As you turn the cylinder you should see features come into view thru the
eyepiece. Continued turning will result in the wavelength shifting thru 656.28nm and detail will begin to
disappear. Fine-tune the cylinder for the best performance.


Produkt Specifikationer

Mærke: Lunt Solar Systems
Kategori: Kikkert
Model: LS60MT

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