aangeboden: Lunt aanbieding van 50 mm B400 met PR tuner, 325,-goedkoper

LUNT LS50THa/B400PT H-alpha solar telescope
Van 1325, voor 999,-
Beste amateurs dit kwam als donderslag bij heldere hemel binnen bij ons binnen van Lunt, en op is op. ,

325 ,- goedkoper als normaal Dat is dik de moeite waard.

A very compact, complete telescope for observing the sun in H-alpha light.

The LS50THa solar telescope offers 50 mm free aperture, 350 mm focal length, and provides a bandwidth of [0.75 Angstrom. The telescope is fitted as standard with the air-pressure tuning system "Pressure-Tuner", the Etalon is safely installed inside the telescope. Prominences and surface detail can quickly be viewed spontaneously. This very portable system is an ideal travel companion for wherever you go.

A B400 blocking filter is installed inside the star diagonal. The B400 is good for visual observing. Focusing is achieved by a non-roting Helical focuser.

Please note that there is only a small back-focus at this telescope, therefore solar-imaging is very difficult. The LS50THa is designed for visual solar observing. We recommend for imaging the 60mm telescopes LS60THa.

Also double-stacking with a bandwidth of only [0.5 Angstrom is possible by using the additional available LS50C filter (0550210). This filter threads directly onto the LS50THa telescope. Double-stacking will provide much more contrast, and more details on the sun will become visible.

Aperture: 50 mm
Focal Length: 350 mm
Bandwidth: [0.75 Angstrom
Tuning: air-pressure tuning system "Pressure-Tuner"
Blocking Filter: B400
non-rotating Helical focuser
Tube-ring with 1/4-20 tapped base (standard thread for photo-tripods)
Length: 37cm
Weight: 2.1kg
LS50THa H-alpha Solar Telescope
B400 Blocking Filter in star-diagonal
Tube ring with 1/4-20 connection for mounting on photo-tripods
non-rotating Helical focuser
Instruction manual

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