Planet detail in a tube that fits in your backpack!
The Bresser Messier 90/1250 is the smallest Maksutov in the line. The complete setup weighs very little and the short tube fits in a backpack. Yet, with a 1250 mm focal length, you can view the Moon, Saturn, and Jupiter at serious magnification, and during the day, you can also observe nature using the star diagonal.


Maksutov optics: high contrast, no maintenance
The Maksutov design folds a 1250 mm focal length into a short, closed tube. The meniscus lens corrects the mirror almost completely: no chromatic aberrations and a small central obstruction, hence high contrast. The 90 mm aperture gives 48x with the included 26 mm eyepiece; consider approximately 180x as the maximum (f/13.9). Collimation is rarely needed, the optics are virtually maintenance-free. Allow 30 to 45 minutes of cool-down time: the closed tube must reach outdoor temperature for the sharpest image.
EQ-3 mounting with slow motion
The EQ-3 mount tracks objects after a one-twist alignment. The smartphone adapter captures your observations.
Included
- Maksutov optics 90/1250
- EQ-3 equatorial mount with tripod
- 26mm eyepiece (1.25 inch)
- Red dot viewfinder
- 90 degree zenith prism
- Smartphone adapter and slow-motion cable
Featured accessories
The Bresser Plössl 10 mm eyepiece (125x, 29 euros) is the planetary magnification. An Omegon Premium moon filter (19.90 euros) reduces the bright moonlight.
For whom yes, for whom no
Pros: travelers and balcony observers looking for maximum planet detail per kilo. Cons: those who want to see nebulae and galaxies; for that, the aperture is too small and the field of view too narrow. Compare via the Buying guide Whether the page with catadioptric telescopes. Meer Bresser is on the merk page.
Specifications
| Optical design | Maksutov-Cassegrain |
| Opening | 90 mm |
| Focal length | 1250 mm (f/13.9) |
| Focuser | 1.25 inches |
| Mount | EQ-3 equatorial with tripod |
| Seeker | Red dot |





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