Four-lens wide-field with fully automatic control!
The Bresser Messier 127S/635 GoTo combines the four-lens f/5 design with fully automatic searching and tracking. Minor color aberration despite the fast focal length, five-inch aperture for rich star fields, and safe solar viewing with the included objective solar filter.
Four-lens fast achromat
Bresser builds the AR-127S as a four-element achromat: smaller chromatic aberration than two-element designs and better photographic correction. The 127 mm lens gathers about 329 times more light than the naked eye; with the 26 mm SP eyepiece, you view at 24x with a wide field of view. Only use the solar filters if they are undamaged and never look at the sun without certified protection.
StarTracker GoTo System
The StarTracker hand controller knows over 100,000 objects and automatically positions the telescope. Servo motors on both axes then track accurately, and via the ST-4 port you can later connect an autoguider. The EXOS-2 GoTo carries up to 13 kg. Together with the ST-4 port and the color-pure fast optics, this is the most photo-ready refractor set in the line.
Included
- Four-element achromatic optics 127/635
- 2.5-inch Hexafoc Focuser
- EXOS-2 GoTo Mount with StarTracker Hand Controller
- Counterweight tripod
- 26 mm SP eyepiece (1.25 inch)
- 8×50 viewfinder
- Objective solar filter
- Smartphone adapter
Featured accessories
The Bresser Plössl 10 mm eyepiece (64x, 29 euro) zooms in on star clusters. The Bresser universal power supply 230V/12V (39 euro) powers the mount at home; the Bresser Mobile Power Station 155 Wh (169 euro) keeps it running all night in the field. A nebula filter gets the maximum out of gaseous nebulae; ask us for advice.
For whom yes, for whom no
Who: wide-field observers and astrophotographers who want color purity, comfort, and an optical path in one set. Not: planetary specialists; the 127L/1200 GoTo delivers calmer detail at high magnification. Compare via the Buying guide. Meer Bresser is on the merk page.
Specifications
| Optical design | Achromatic refractor (four-lens) |
| Opening | 127 mm |
| Focal length | 635 mm (f/5) |
| Focuser | 2.5 inch Hexafoc |
| Mount | EXOS-2 GoTo, over 100,000 objects |
| Autoguiding | ST-4 compatible port |
| Special feature | Including objective-solar filter |
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