Reducer 0.7x 107PHQ, 130PHQ, 151PHQ

CHF 349

Reference CORR-0011

Disponible en stock chez le fournisseur

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Askar 3" 0.7x Full-Frame gearbox - Specifications and features

Visit Askar reducer 3 inches 0.7x is specially designed for 107PHQ and 130PHQ astrographs. This model uses a triplet design with ED glass to minimize chromatic aberrations and improve optical quality. This reducer is compatible with full-frame sensors, offering full image coverage without vignetting. Its 0.7x reduction shortens the focal ratio and maximizes the field of view, ideal for astrophotographers seeking to capture extended celestial objects.

Askar 3" 0.7x Reducer specifications

  • Reduced focal ratio : 4.9 for the 107PHQ, optimizing brightness and enabling shorter exposure times.
  • Reduced focal length : 524 mm for the 107PHQ, ideal for observing large celestial objects and for faster, more precise astrophotography.
  • Lens design : Triplet with ED glass for reduced aberrations and enhanced sharpness right to the edge of the field.
  • Rear focal length : 55 mm, standard for compatibility with many astrophotography accessories.
  • Full-frame compatibility : Ensures vignette-free images, even with large sensors, for uniform, detailed capture.

Dimensions and Additional Specifications

  • Outside diameter : 80 mm, ensuring robust construction for stable configurations.
  • Total length : Adjusted for compact mounting and easy handling in astrophotography setups.
  • Front thread : M77*1, for easy integration with PHQ series optical equipment.
  • Thread adapters : Includes M681, M540.75, and M480.75, for maximum flexibility and extended mounting possibilities. The M480.75 thread also allows installation of 2" filters.

Benefits for users

This reducer is designed to increase the field of view and reduce exposure time, optimizing the efficiency of deep-sky astrophotography sessions. By increasing the field of view and lowering the focal ratio, it offers astrophotographers greater flexibility and convenience in capturing precise, detailed images of large celestial objects. Its compatibility with full-frame sensors maximizes image coverage, eliminating loss of edge-of-field detail.

Reduction factorx0.7
Compatible instruments107PHQ, 130PHQ, 151PHQ
WeightData currently being integrated, estimated availability shortly
Corrected image circleData currently being integrated, estimated availability shortly
BackfocusData 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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