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Konus MotorMax 90 Telescope

Konus MotorMax-90 90mm f/13.3 Maksutov-Cassegrain Telescope with RA Motor

₹30,500.00 (Excluding Taxes)

Konus‘s MotorMax-90 90mm f/13.3 Maksutov-Cassegrain Telescope employs a front convex meniscus lens that not only eliminates the need for periodic collimation, but also requires a smaller secondary mirror when compared to a Schmidt-Cassegrain design. The Mak-Cass optical path results in a slower focal ratio and narrower field of view versus a similar Schmidt, but the optical benefits make this an ideal scope for planetary and double-star observation.

  • 3.5″ / 90mm Aperture
  • 1200mm Focal Length, f/13.3 Focal Ratio
  • Internal Primary Mirror Focusing System
  • Internal Flip Mirror
  • 10 and 17mm Plossl Eyepieces
  • 45° Star Diagonal
  • Smartphone Holder
  • Moon Filter
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Description

Konus MotorMax 90 Telescope

The scope is outfitted with a German equatorial mount and features a Right Ascension (RA) motor to track objects during extended observation sessions. To make manual adjustments, there are also RA and declination cables. Utilizing the RA motor not only frees you to concentrate on observation, it also greatly reduces vibration—especially at higher magnifications—for clearer viewing.

An internal flip mirror redirects the light path from the eyepiece holder on top of the optical tube assembly to the visual back, and for more comfortable viewing a 45° star diagonal is also included. The scope comes with two eyepieces that produce 70x and 120x power as well as a Moon filter to safely observe the Moon.

Optical Performance

  • 3.5″ (90mm) aperture
  • f/13.3 focal ratio
  • 1200mm focal length
  • Compact Maksutov-Cassegrain optical design
  • Front convex meniscus lens helps to correct for spherical aberration for reduced distortion at the edges of the field of view
  • Anti-reflection multi-coated optics reduce light loss and increase contrast and image brightness
  • Internal flip mirror directs optical path from visual back to upper 90° eyepiece holder

Mount

  • German equatorial mount
  • RA tracking motor, runs on one 9V battery
  • Manual RA and declination slow-motion cables
  • Bar and counterweight for proper balancing
  • Aluminum two-stage tripod, adjusts from 29 to 48″ high

Included Accessories

  • 10mm focal length, 1.25″-diameter barrel eyepiece: 120x power
  • 17mm focal length, 1.25″-diameter barrel eyepiece: 70x power
  • 45° star diagonal, 1.25″ barrel, for viewing through the visual back
  • Moon filter for safe observation, especially during full phases
  • 8×21 straight-view finderscope
  • Smartphone holder

In the box

  • Konus MotorMax-90 90mm f/13.3 Maksutov-Cassegrain Telescope with RA Motor
  • RA Tracking Motor
  • 9V Battery
  • 8×21 Finderscope
  • 45° Star Diagonal
  • Moon Filter
  • 10mm Plossl Eyepiece
  • 17mm Plossl Eyepiece
  • Aluminum Tripod
  • Smartphone Holder

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