BRESSER AR-127S Messier 5" f/5 Achro Refractor Telescope with Exos-1 Manual EQ Mount and Tripod

BRESSER AR-127S Messier 5" f/5 Achro Refractor Telescope with Exos-1 Manual EQ Mount and Tripod

BRESSER AR-127S Messier 5" f/5 Achro Refractor Telescope with Exos-1 Manual EQ Mount and Tripod

B&H # BRAR127EXOS1 MFR # BR-AR127EXOS1
No Longer Available

Product Highlights

  • 5" Aperture Achromatic Refractor
  • 635mm Focal Length, f/5 Focal Ratio
  • 2" Rack-and-Pinion Focuser
  • 26mm Eyepiece with 1.25" Adapter
  • 90° Star Diagonal & 8x50 Finderscope
  • Exos-1 Manual Equatorial Mount
  • Dual-Axis Slow Motion Cables
  • Adjustable Tripod, 1.5" Diameter Legs
  • Integrated Bubble Level
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BRESSER AR-127S overview

  • 1Description

Bresser provides beginner and intermediate astronomers with a complete manual observation kit with this version of their Messier 5" f/5 Achro Refractor Telescope . It comes with the achromatic refractor optical tube, the Exos-1 equatorial mount, a tripod, and an array of optical accessories. This Messier optical tube assembly (OTA) can be used for imaging or viewing near and deep-sky objects such as the Moon and planets, galaxies and nebulae, and anything in between. It features an achromatic lens system to virtually eliminate chromatic and spherical aberrations in order to create an immersive, distortion-free viewing experience with true color rendition across the entire field of view - especially at the edges. The combination of aperture, aberration-free optics and a fast f/5 focal ratio make this telescope ideally suited for astrophotography and astroimaging.

This iteration of the Messier is equipped with the Exos-1 manual equatorial mount and features dual-axis slow motion cables to more easily track objects, and an integrated bubble level to assist in set-up. Built into the mount is an access port for an optional polar alignment scope to aid in faster and more precise set up. The tripod, a step-up from typical "starter" tripods, is adjustable from 25 to 42" to accommodate a wide range of users. Its 1.5" leg diameter has three sections with large thumbscrews for tool-free adjustment in the field. The mounting cradle-ring assembly clamps over the optical tube and lets the user adjust the orientation and position of the scope relative to the mount to optimize viewing comfort and balancing, while avoiding interference with other equipment, and a 1/4"-20 stud on the top of the cradle ring assembly enables a camera to be piggybacked onto the scope for wide-field photography.

The scope is equipped with a 2" rack-and-pinion focuser for over-sized eyepieces and accessories, and comes with a 1.25" reducer adapter and a 1.25" 26mm super Plossl eyepiece that yields 23x power on the OTA. The adapter also has integrated T2 mounting threads to enable the use of a user-supplied DSLR-specific T2 ring for astrophotography through the scope.

Optical Performance
  • Aperture: 5" (127mm)
  • Focal ratio: f/5
  • Focal length: 635mm
  • Refractor-style optical design
  • Anti-reflection multicoated optics
  • Achromatic lenses eliminate chromatic and spherical aberrations for true color rendition and without distortion across the entire field of view, especially at the edges
  • 8x50 non-illuminated straight-view finderscope
Mount
  • Cast aluminum with white powder-coat
  • Flexible dual-axis slow motion cables reduce
  • vibrations while tracking objects
  • Integrated bubble level on mount base
  • 6.6lb (2kg) counterweight with 20mm diameter bar
  • Latitude, Right Ascension, and Declination scales
  • Polar finder scope access port for optional accessory
Optical Accessories
  • 2" rack-and pinion focuser
  • 26mm super Plossl eyepiece, yields 24x power
  • 2"-to-1.25" eyepiece adapter with integrated T2 threads
  • 90° star diagonal
Tripod
  • Three-section adjustable-height
  • 15 pound payload capacity
  • 1.5" stainless steel legs
  • 25 to 42" height range
  • Accessory tray with holes for 1.25" eyepieces
In the Box
BRESSER AR-127S Messier 5" f/5 Achro Refractor Telescope with Exos-1 Manual EQ Mount and Tripod
  • Exos-1 German Equatorial Mount with Tripod
  • 26mm Eyepiece
  • 90° Star Diagonal
  • 2-to-1.25" Eyepiece Adapter
  • Planetarium Software CD-Rom
  • Rotating Star Map
  • Moon Map
  • Limited Ten-Year Warranty
  • Table of Contents
    • 1Description

    BRESSER AR-127S specs

    Optical Design Refractor
    Aperture 5.0" / 12.7 cm
    Focal Length 635
    Focal Ratio f/5
    Eyepiece Barrel Diameter 2", directly into focuser
    1.25" with included adapter
    Diagonal 90° star
    Finderscope 8x50
    Tripod Stainless steel adjustable height
    1.5" / 3.8 cm diameter legs
    Mount Type Manual German equatorial
    Power Source N/A
    Optical Tube Dimensions Diameter: 5.2" / 13.3 cm
    Length: 38.0" / 96.5 cm
    Weight 17.0 lb / 7.7 kg

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