Planeetspecialist: 150 mm Maksutov with 1800 mm focal length
The iOptron 150/1800 Maksutov-Cassegrain is designed for those who are ready to take the next step in lunar and planetary observation. The 150 mm aperture and long focal length of 1800 mm (f/12) deliver steady, high-contrast images with a large magnification: crater detail, Jupiter’s cloud bands, and Saturn’s rings at their best.


Sealed, collimation-stable design
The Maksutov design is closed and holds its collimation: less air current in the tube, less maintenance, and a sharp image, night after night. The dual-speed focuser focuses precisely at high magnification, the 8×50 finder scope quickly locates objects, and the T2 adapter allows you to connect a planetary camera directly. Realistically useful magnification is up to about 300x, twice the aperture in millimeters.
In the box
- Optical tube Maksutov-Cassegrain 150/1800
- Removable range hood
- Dual-speed focuser
- T2 camera adapter
- 8×50 viewfinder
Featured accessories
With the iOptron 462C iCam Planet Camera (379 euros) you directly use the long focal length for high-resolution Moon and planetary photography via lucky imaging.
For whom yes, for whom no
Ideal for advanced observers and planetary imagers seeking maximum image scale and contrast in a compact, low-maintenance tube. Not for those wanting wide deep-sky fields; f/12 with a 1800mm focal length is not suited for that.
Specifications
| Optical design | Maksutov-Cassegrain |
| Opening | 150 mm |
| Focal length | 1800 mm |
| Opening ratio | f/12 |
| Focuser | Dual-speed |
| Seeker | 8×50 |
| Camera connection | T2 |
| Execution | OTA (loose tube) |
Unsure about the right tube for your camera and mount? The telescope selection aid helps you choose. Also view all Refracting telescopes and the full range of iOptron.





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