The king of the Maksutov line: 6 inches of contrast with Hexafoc!
The Bresser Messier 152/1900 Hexafoc EXOS-2 is Bresser's largest Maksutov. The 152 mm aperture collects about 472 times more light than the naked eye, and the relatively fast f/12.5 also keeps bright deep-sky objects within reach. The T2 adapter makes lunar and planetary photography directly possible.


6-inch Maksutov with Hexafoc
The Maksutov design folds a 1900 mm focal length into a short, closed tube. The meniscus lens corrects the mirror almost completely: no chromatic aberrations and a small central obstruction, resulting in high contrast. The 152 mm aperture provides 73x magnification with the included 26 mm eyepiece; consider approximately 300x as the maximum (f/12.5). Collimation is rarely necessary, and the optics are virtually maintenance-free. Allow 30 to 45 minutes for cool-down time: the closed tube must reach ambient temperature for the sharpest image. The 2.5-inch Hexafoc focuser supports heavy 2-inch eyepieces and camera equipment without shifting.
The EXOS-2 mount
The EXOS-2 is a German equatorial mount of the EQ-5 class with a payload capacity of up to 13 kg. With the polar scope you align quickly and with the slow-motion cables you track objects smoothly. Later expandable with a motor set or the StarTracker GoTo system.
Included
- Maksutov optics 152/1900
- 2.5-inch Hexafoc Focuser
- EXOS-2 equatorial mount with tripod
- 26mm eyepiece (1.25 inch)
- 6×30 viewfinder
- Zenith prism
- T2 camera adapter
Featured accessories
The Bresser Plössl 10 mm eyepiece (190x, 29 euro) is the core magnification. The Bresser 1:8 microfocuser for the Hexafoc (99 euro) makes focusing at high magnification velvety smooth. An Omegon Premium 2-inch moon filter (34.90 euro) subdues the moonlight. For transport, the Hard case transport bag for Maksutov 150 telescopes 69 euros.
For whom yes, for whom no
Good for: demanding Moon and planet observers who also want to do astrophotography. Not for: wide deep-sky fields; the field of view remains narrow, choose a fast Newtonian for that instead. Compare via the Buying guide Whether the page with catadioptric telescopes. Meer Bresser is on the merk page.
Specifications
| Optical design | Maksutov-Cassegrain |
| Opening | 152 mm |
| Focal length | 1900 mm (f/12.5) |
| Focuser | 2.5 inch Hexafoc with T2 adapter |
| Mount | EXOS-2 equatorial, load capacity 13 kg |
| Seeker | 6×30 optics |
| Expandable | Motor set for StarTracker GoTo kit |





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