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Manual: Baader Planetarium TriBand-SCT
Example Configuration for SolarSpectrum H-alpha-Filter –
visual use, T-2-System
For smaller H-alpha-filters with a diameter of 42 mm or less, an adaptation with the T-
2-System and a 1¼" or 2" eyepiece clamp can be used.
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TriBand Schmidt-Cassegrain with SC-thread
2
# 2958243
Baader Ultrashort 2"/ 2" Thread-Inverter-Ring, included with the TZ-3
3
# 2459257
2" Research Grade TZ-3 Telecentric System (3-times extension of the
focal length),
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# 2958244
Baader Reducing-Ring 2"i / T-2a, with 1.5 mm optical length, included
with the TZ-3 – to attach SolarSpectrum-Filters with T-2-thread. Not needed for
SolarSpectrum-filters with female SC-thread.
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SolarSpectrum-Filter with female SC-thread on both sides.
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SolarSpectrum-Filter with T-2-threads. Filter with SC-thread can be attached
directly to the telecentric system, without
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6
# 1508035
Baader Adapter 2" (male) / T-2 (male) – only for SolarSpectrum-filters
with female SC-thread, included with the SolarSpectrum-filters
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Recommended: 3x
# 1508153
Baader T-2 / 40 mm Extension Tube
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# 2456322
Baader TQC/TCR Heavy duty T-2 Quick Changing System
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T-2 prism diagonal, e.g.
# 2456095
Baader T-2 Star Diagonal (Zeiss) Prism with
BBHS
®
coating
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T-2 eyepiece clamp, e.g. Baader Focusing Eyepiece Holder 1¼" / T-2
# 2458125
,
Baader 2" to 1¼" ClickLock Reducer (T-2 part #15B)
# 2956214
or Baader 2" ClickLock T-2 (M42i x 0.75) clamp
# 2956242
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Eyepiece, e.g.
# 2454636
36 mm Hyperion Aspheric 2" eyepiece – can be used as
2"-eyepiece as well as 1¼"-eyepiece
Please note:
The perfect working distance of the TZ-3 is 250±10 mm, but in practice
the system is very good-natured, so that one or more the three 40 mm extensions
# 1508153
may also be omitted if desired.
In principle, smaller magnifications (but not a larger field of view!) are possible with a
reducer, so that the telescope can also be used with highly visible air turbulence. How-
ever, if the exit pupil becomes larger than the pupil of your eye (which is only about
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