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Explore Scientific MN-152 David H Levy Comet Hunter Carbon Fiber Maksutov-Newtonian Telescope

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in In stock (2)
Model
ES-4852740
Weight
7.90 kg
Our price:
£847.00
including VAT 20.00 % ( £141.17 )
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Explore Scientific MN-152 David H Levy Comet Hunter Carbon Fiber Maksutov-Newtonian Telescope

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  • Highly corrected Maksutov-Newtonian telescope
  • Aperture 152mm; Focal length 731mm
  • Carbon fiber tube for superior rigidity and low weight
  • Thermal focus shift very close to zero due to carbon tube
  • Excellent performance without additional corrector for visual and astrophotos up to APS-C
  • Handle with camera mounting feature
  • Universal 44mm Dovetail plate with stainless steel rail (fits Vixen SP/GP; Meade LXD75; Skywatcher EQ5; Bresser EXOS I/II)
  • Excellent erect image straight through finder scope with wireless illiminator and adjustable brightness
  • Scope of delivery: Telescope, Manual, Tube rings, Handle, excellent 8x50 erect image straigth through finder scope, 30mm eyepiece, focuser extension, 44mm universal dovetail plate, Reducer 2"/1,25", Carbon fiber dew shield

Highly corrected optic for wide-field observation and astrophotography. Developed in collaboration with the famous "comet hunter" David H. Levy. The Maksutov-Newton system does have some pros and cons respectively to the classical newtonian design. Apart from the higher price the main disadvantage is the higher weight - the thick corrector lens at the front is the cause for this. The main advantage of the Maksutov-Newton compared to the classical newton is the sharpness of the field of view. Classical newtonian telescopes do show a sharp pinpoint star image only at the middle of the field of view - outside the optical axis they have a dominant abberation, the so called coma. This is inherent in the newtonian design, and therefore valid for all newtonian telescopes of all brands and not caused by manufacturing tolerances. Coma distorts the star image - the pinpoint star shows a tail, just like a small comet. This decreases sharpness and contrast considerably. The Maksutov-Newton shows a much sharper star image - for most applications the coma is not visible. This results in a high contrast image all over the field of view - for visual observations and for astrophotography with DSLRs alike. This makes the Maksutov-Newton a ideal all-purpose telescope, that is able to show a sharp field without the need for additional correctors.

SCOPE OF DELIVERY

  • Optical Tube Carbon fiber with 2" focuser and reduction 10:1
  • Carbon dew shield with dust cap
  • Tube rings with dovetail
  • Explore Scientific 70° Eyepiece 30mm (2")
  • 8x50 finder, upright image and illumination
  • Eyepiece Barrel diameter: 2 "and 1.25"
  • Universal 44mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)
  • Instruction manual

SPEZIFICATIONS: 

  • Overall length including dew shield: 825mm 
  • Net weight including tube rings, handle, dew shield and finderscope: 7,9kg
OPTICAL SPECIFICATIONS
Optical design Maksutov-Newton
Magnification from 25
Maximum recommended magnification 300
Primary mirror diameter 152 mm
Secondary mirror diameter 49 mm
Objective diameter 152 mm
Focal length 731 mm
Aperture ratio 4.8
Obstruction (%) 32
Angular resolution 0.77 arc seconds
Visual limiting magnitude (approx., mag) 13.4
Type of coating Enhanced Multilayer Desposition (EMD)
Finderscope 8 x 50 mm DeLuxe Finderscope with Illumination and erect image
Width of image field width 24x36 mm receiver 2.5 degrees
Height of image field width 24x36 mm receiver 1.7 degrees
Mount Type Optics without Mount
GENERAL TECHNICAL DATA
Material OTA Carbon fiber
Focusing system 2" Crayford-Focuser with 10:1 Reducer
Colour Carbon Fiber
Dust protection caps Dust protection caps for front lens and eyepiece holder
DIMENSIONS & WEIGHTS
Net weight OTA (incl. accessories) 7.9 kg
Net weight heaviest part 7 kg
Tube diameter 180 mm
Tube length 696 mm
Eyepiece Barrel Diameter 50.8 mm

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