Askar 151PHQ apochromatic bezel

CHF 4'399

Reference LU-0008

Disponible en stock chez le fournisseur

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Askar 151PHQ Astrographic Telescope

The Askar 151PHQ is the benchmark in long-focus astrographs, specially designed for passionate and demanding astrophotographers. With its unique design, this telescope features an integrated flat field, eliminating the need for additional accessories such as field correctors or backfocus calculators. Simplify your equipment while obtaining outstanding, astrophotography-ready images.

Why choose Askar 151PHQ?

With an aperture of 151mm and a focal length of 1057mm with an f/7 ratio, the 151PHQ is one of the largest and most powerful refractors in the Askar range. It features a quadruplet lens with two ED glass elements, guaranteeing excellent correction of chromatic aberrations and minimal distortion of stars at the edge of the field. The 60mm field of view enables perfectly sharp images to be captured, even on large sensors, with a central RMS radius of less than 2 microns for unrivalled precision.

Highlights

  • Ease of use : Thanks to its integrated flat-field design, there's no need to calculate backfocus distance or make complex connections. Simply plug in your capture equipment and benefit from an optimized optical system for precise shots without additional adjustment.
  • Optical quality : ED glass elements ensure high light transmission and excellent aberration control, for bright, artifact-free images.
  • Versatility : The R&P 3.4" focuser with multiple adapters (M68/M54/M48), 360° rotator and finder base offers great configuration flexibility. Used with a 3" field reducer at 0.7×, the 151PHQ achieves a focal ratio of f/4.9 and a reduced focal length of 740mm, ideal for reducing exposure time.
  • Robustness and design : Made from high-quality CNC aluminum, the 151PHQ is as much a precision tool as a beautiful object. Its rigid, hard-wearing tube is complemented by a telescopic mist guard and meticulous design.

Key Technical Specifications

  • Opening: 151mm
  • Focal length: 1057mm (reducible to 740mm with a reducer)
  • Focal ratio: f/7 (f/4.9 with gearbox)
  • Lens: Quadruplet APO with two ED elements
  • Image circle diameter: 60mm
  • Total length :
    • Observation mode: 930.3mm (mist screen retracted) to 1117.8mm (mist screen extended)
    • Imaging mode: 976.8mm (mist screen retracted) to 1164.3mm (mist screen extended)
  • Weight (OTA): 11.6kg
  • Total weight (with Losmandy rings and plate): 13.7kg
  • Rear thread type: Several options (M86, M68, M54, M48)
  • Photographic end adapter: M48×0.75
  • Standard accessories: 151PHQ OTA tube, pair of rings, handle, 300mm Losmandy plate, photographic adapters, aluminum case, manual.

What you get

  • Askar 151PHQ high-precision OTA tube
  • Pair of rings for secure, stable attachment
  • Multifunctional handle with M6 screw slot
  • 300mm Losmandy plate for optimum frame compatibility
  • Photographic adapters (4 pieces) for maximum flexibility
  • Aluminum case for secure transport
  • Comprehensive user manual for easy start-up
Application areaAstrophotography of galaxies, Astrophotography of planetary nebulae, Planetary astrophotography
Diameter151
Focal length1057
Optical typeApochromatic bezel
Optical packageundefined
F/D7
Separating power0.9271523179
Focusing systemData currently being integrated, estimated availability shortly
TurntableData currently being integrated, estimated availability shortly
Motorization possibleYes, very easily!
BackfocusData currently being integrated, estimated availability shortly
Corrected image circleData currently being integrated, estimated availability shortly
DimensionsData currently being integrated, estimated availability shortly
Instrument weightData currently being integrated, estimated availability shortly
Mechanical interfacesData currently being integrated, estimated availability shortly
Optional accessoriesData currently being integrated, estimated availability shortly
In the boxData currently being integrated, estimated availability shortly
Special featuresData currently being integrated, estimated availability shortly

Why choose Deep Space Astronomy?

Because astronomy is our passion! Our team of experts is here to guide you in your choice of equipment, from beginner telescopes to the most sophisticated astrophotography equipment.

  • Personalized advice: Take advantage of our expertise to choose the ideal instrument for your needs and budget.
  • A wide choice of products: We offer a rigorous selection of quality equipment from the leading brands on the market.
  • Customized training: Expand your knowledge of astronomy with our online and face-to-face training courses.
  • Responsive after-sales service: We're here to help you make the most of your experience.

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