With twice the light-collecting area of the ETX-90AT, the ETX-125AT permits a much broader range of astronomical study. Jupiter's cloud belts, for example, are observable at a significantly heightened level of detail, with whirls and festoons and the Great Red Spot readily visible as they transit the planet's disc; the Cassini division in Saturn's rings is routinely seen, as are additional features of the planet's surface, even under less than perfect seeing conditions; microfine lunar detail beyond the reach of smaller telescopes can be resolved in the ETX-125AT. In deep-space the ETX-125AT's larger aperture enables the observation of galaxies and nebulae in much wider extension and permits the resolution of celestial objects as faint as magnitude 12.5. The entire Messier listing of 110 objects is now not only visible, but, in addition, every object takes on a readily discernible structure. The observer who accepts astronomy as a serious field of interest will find the Meade ETX-125AT a deeply satisfying instrument for a lifetime of high-resolution astronomical study.

The ETX-AT's include an internal flip-mirror system for either straight-through or 90º observing, an aluminum fork mount with electric slow-motion controls, setting circles and locks on both axes, electronic control panel, a 4-speed (8x, 32x, 0.75°/sec, 5°/sec) dual-axis motor drive system with sidereal-rate tracking in equatorial mode, and an internal battery compartment accepting eight (user-supplied) AA-size batteries.

• Optical Design: Maksutov-Cassegrain

• Aperture: 127mm (5.0")

• Limiting Visual Magnitude: 12.5

• Focal Ratio: f/15

• Focal Length: 1900mm (74.8")

• Optical Tube Dimensions: 146-361mm (5.75" x 14.2")

• Secondary Obstruction: 1.55" (9.6%)

• Mount Type: Alt-Azimuth

• Drive System: GoTo, Dual-Axis

• Weight - OTA: 6.89 kg. (15.2 lbs.)

• Optical Coatings: UHTC

• Batteries: 8 AA (user supplied)

• Tripod Weight: 5 kg. (11 lbs.)