Manufacturer: Skywatcher
Product number: BKM150OTA

EUR 855,00


incl. 19 % VAT (DE)  
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  • On stock
  • Only 1 pcs left in stock





rating: 5.0 of 5
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Skywatcher Skymax-150 Maksutov-Cassegrain Telescope - optical tube assembly
The powerful and modern Skywatcher Maksutov-Cassegrain with 150 mm aperture is a very good basis for deep sky and planetary observation. No chromatic aberration disturbs the outstanding contrast and the stars are pin-point dots.

Astrophotographic results obtained with this telescope on Astrobin
Here you can find some astrophotographs made with this telescope model: Link to Astrobin

A wider field with 2"
Especially for deep-sky observation, 2" eyepieces are very useful, especially with this focal length. This Maksutov alreadily has a 2" connection. With the included 2" eyepiece 28 mm for example, the complete full moon fits into the field of view.

Astrophotography with the Skymax 150
This Maksutov is the right instrument for the enthusiastic planetary photographer. The focal length of 1800 mm is ideal for imaging large areals of the moon. With a 2.5x Barlow lens you can achieve optimal resolution for fine detail on planets and the lunar surface.

Useful information by Teleskop-Service: The Maksutov-Cassegrain System


A Maksutov-Cassegrain combines compact design with an image quality that´s close to a classical refractor. Compared with fast refractors of the same aperture, the quality is even better because a Maksutov-Cassegrain has no disturbing false colour.

Thus the Maksutov-Cassegrain is an interesting alternative for astronomers who pay pay attention on high-contrast imaging but need a compact system.



On the other hand, a Maksutov-Cassegrain is not a very "fast" system. Compared with the aperture, the focal length is relatively long. This is ideal for lunar and planetary observation, but wide field objects like the Pleiades or the Andromeda Galaxy cannot be viewed in their full dimension.

The optical design (see picture above):
Light passes through the meniscus corrector, is reflected by the spherical main mirror and is then directed by the spherical secondary mirror to the focal plane. The abberations of the spherical main mirror are corrected by the Maksutov lens. This causes a good quality either on the optical axis and also off-axis. A further advantage: The Maksutov corrector keeps the OTA closed and makes it less sensitive against tube seeing caused by temperature differences.

The secondary mirror transforms the main mirror´s focal ratio to the full value of f/10 to f/15 (depending on the individual design).

Focusing:
The image is not focused by an external drawtube but by moving the main mirror by a fine thread. This kind of focusing hat the advantage of a very wide focus range - nearly any accessories can be mounted.
Aperture:150 mm / Focal length 1800 mm
Focal ratio:f/12
Limiting visual magnitude:13m2
Resolution:0.77"
Central obstruction:approx. 45 mm
OTA length:40 cm
OTA diameter:18.3 cm
Front ring diameter:190/191 mm
OTA weight:5.3 kg
Focusing:trouble-free internal focusing without annoying shifting
Connection to mount:photo tripod connection and GP level dovetail bar (fits EQ3, HEQ5, EQ5, ...)
Eyepiece side connection:2" and 1.25"
Thread on the backside of the tube:2" SC thread
Baffle tube:30 mm clear aperture
Black Line Maksutov 150/1800mm
9x50 finder (straight view) with bracket
2" star diagonal with reduction to 1.25"
2" overview eyepiece APEX 28

Astrophotographic results obtained with this telescope on Astrobin
Here you can find some astrophotographs made with this telescope model: Link to Astrobin

Jupiter - Silvia Kowollik
... Nov. 2013

Jupiter - Skywatcher 150mm Maksutov

Made through the Skywatcher Skymax 150 Maksutov Cassegrain
Camera ... ALCCDL-IIc



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Reviews

Written by Dirk Jordans
on 2023-09-12

Großartiges Teil mit einem kleinen Nachteil. Der Fokus!
Die Einstellung ist am Planeten und Mond bei Fotos ehr schwierig. Eine 1:10 Untersetzung wäre wirklich wünschenswert. Es gäbe hier einen Nachrüstsatz, aber der ist nicht wirklich lieferbar.
Mit der Skywatcher GTiX ideal für den Balkon.

Written by Ralf Schäfer
on 2016-03-25

"Dieser 6"" Mak ist erstaunlich gut. Mit knapp 6kg und 40cm Baulänge auch noch sehr handlich. Super für die Beobachtung von Mond und Planeten geeignet."

Written by Christian Schönig
on 2016-03-20

"Die Baugröße ist richtig klein. Das Maksutov ist leicht und gut zu Handhaben. Das Shifting des Fokus ist ab förderlicher Vergrößerung merkbar aber nicht problematisch. Die Halterung des Suchers war locker, diese kann man aber wieder festschrauben."

Written by Alberto Squillante
on 2015-12-31

"Good item"