The fast all-rounder on an equatorial mount!
The Bresser Messier 150/750 Hexafoc EXOS-1 combines Bresser's most popular Newtonian optics with an equatorial mount on a steel tripod. Plenty of light, a wide field of view, and smooth tracking with the slow-motion cables: the complete foundation for visual deep-sky observation.

Parabolic optics with Hexafoc
The parabolic 150 mm mirror captures about 459 times more light than the naked eye. With a 750 mm focal length (f/5) you get a wide field of view for nebulae and star clusters and enough magnification for planets; keep about 300x as the maximum. The 2.5-inch Hexafoc focuser supports heavy 2-inch eyepieces without sagging; adapters for 1.25 and 2 inches are included. With the included 26 mm Super Plössl eyepiece you view at 29x.
The EXOS-1 mount
The EXOS-1 is an equatorial mount of the EQ-4 class. After alignment with the North Star, you track objects with the slow-motion cables. If you want automatic tracking later, an RA motor is available as an upgrade.
Included
- Newtonian optics 150/750 with parabolic primary mirror
- 2.5 inch Hexafoc focuser with 1.25 and 2 inch adapters
- EXOS-1 equatorial mount with steel tripod
- 26 mm Super Plössl eyepiece (1.25 inch)
- 6×30 viewfinder
- Slow-motion cables
Featured accessories
The Bresser Plössl 10 mm eyepiece (75x, 29 euro) is the first extension. A Bresser laser collimator (74.90 euro) keeps the f/5 optics sharp. The Bresser RA motor for EXOS-1 (155 euro) allows the mount to track automatically. An Omegon Premium 2-inch moon filter (34.90 euro) dims the moonlight. For transport, the Armored padded transport bag 150/750 (99 euros).
For whom yes, for whom no
Good for: advanced observers who want to do serious visual astronomy on a solid equatorial mount. Not for: those who want to do long-exposure astrophotography; choose the EXOS-2 or GoTo version instead. Compare via the Buying guide or view the reflector page. Meer Bresser is on the merk page.
Specifications
| Optical design | Newtonian reflector, parabolic |
| Opening | 150 mm |
| Focal length | 750 mm (f/5) |
| Focuser | 2.5 inch Hexafoc with 1.25 and 2 inch adapters |
| Mount | EXOS-1 equatorial with steel tripod |
| Seeker | 6×30 optics |












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