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Black Newtonian reflector telescope on German equatorial mount with motor drive

Celestron

Celestron 31051 AstroMaster 130EQ MD 130mm f/5.0 Telescope

SKU CH-RVDS-DMMWF

A 130 mm Newtonian reflector on a German equatorial mount with motor-drive tracking and 307× maximum magnification

  • ColorBlack
  • Size/Dimensions48.5" x 156.5" x 10"
  • 130 mm aperture gathers ample light for deep-sky views
  • Motor drive tracks objects automatically across the night sky
  • 307× maximum magnification reveals planetary detail
  • f/5.0 focal ratio delivers wide-field, bright images
  • German equatorial mount with setting circles simplifies celestial navigation

Telescope for novice astronomers

The AstroMaster 130EQ MD is a 130mm f/5 Newtonian reflector built for beginners who want a portable instrument for spontaneous stargazing. Its German equatorial mount with a right-ascension motor drive provides automatic tracking of celestial objects. The package includes The Sky Level 1 software to help locate thousands of targets. It also serves as a dual-purpose scope for terrestrial viewing.

Equatorial mount tracking limits

The German equatorial mount requires polar alignment before the motor drive can track objects accurately across the sky. Without proper alignment the drive cannot compensate for Earth rotation effectively. The built-in setting circles assist with manual location but do not replace the need for accurate polar setup. Vibration from the lightweight tripod can also limit high-magnification stability during long exposures.

307x maximum magnification

The optical system reaches a stated maximum useful magnification of 307x with the 130mm aperture and 6500mm focal length. This figure defines the practical upper limit for resolving planetary detail such as Jupiter's moons or Saturn's rings. Pushing beyond this limit produces dimmer, softer images regardless of eyepiece choice. Buyers who need higher planetary resolution should consider instruments with larger apertures.

Highlights

  • 130 mm aperture gathers ample light for deep-sky views
  • Motor drive tracks objects automatically across the night sky
  • 307× maximum magnification reveals planetary detail
  • f/5.0 focal ratio delivers wide-field, bright images
  • German equatorial mount with setting circles simplifies celestial navigation

Specifications

BrandCELESTRON
ModelAstroMaster 130EQ MD
ColorBlack
Size/Dimensions48.5" x 156.5" x 10"

Questions about this item

Which Celestron AstroMaster 130EQ MD configuration should I choose?

The 31051 model is offered as a single 130 mm f/5.0 Newtonian reflector with motor-drive equatorial mount; no alternative apertures or mount variants are listed.

What does the 307× maximum magnification deliver in actual use?

307× is the theoretical ceiling with the 6500 mm focal length; usable high-power views of planets or lunar detail will typically stay lower, limited by seeing and the 130 mm aperture.

How does the German equatorial mount with R.A. motor drive affect tracking?

The motor drive turns the right-ascension axis to match Earth’s rotation, keeping objects centred without manual adjustment during visual or terrestrial sessions.

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