OIII filter 7nm Pegasus - 2″ Mounted

CHF 209

Référence FILTER-0016

Disponible en stock chez le fournisseur

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Filtre Pegasus Astro OIII

The filter Pegasus Astro OIII is a high-quality narrow-band filter designed for astrophotography. Here are its detailed features:

Technical specifications

  • Diameter : 50.8 mm (2 inches)
  • Thread : M48 x 0.75 mm
  • Total thickness : 7.5 mm (5 mm filter body + 2.5 mm thread)
  • Bandwidth : 7 nm
  • Central wavelength : 500 nm
  • Transmission : Tave > 80% à 500 nm
  • Polishing : 1/4 wavelength
  • Coating : Anti-reflective multilayer
  • Type : Narrow-band interference filter

Features and benefits

  • Optimum transmission : Le filtre offre une transmission supérieure à 80% à la longueur d’onde centrale de 500 nm, correspondant aux raies d’émission de l’oxygène doublement ionisé (OIII).
  • Narrow bandwidth : Avec une bande passante de seulement 7 nm, ce filtre isole efficacement les raies d’émission OIII, permettant une excellente séparation des détails spectraux.
  • Parafocality: Comme tous les filtres Pegasus Astro, le filtre OIII est parafocal avec les autres filtres de la série, simplifiant le processus d’acquisition d’images.
  • Superior optical quality : The 1/4-wavelength polish guarantees excellent image quality and optimum sharpness.
  • Anti-reflective coating : Multi-layer anti-reflective coating eliminates halos, ghosting and unwanted reflections.
  • Durability: The filter is designed to withstand scratches and temperature changes.

Astrophotography applications

  • Nebula imaging : Idéal pour capturer les détails des nébuleuses riches en oxygène ionisé.
  • Reducing light pollution : Its narrow bandwidth enables effective imaging even in areas of high light pollution or under a full moon.
  • False color imaging : Used in the Hubble palette technique (SHO) to create spectacular false-color images.
  • High-resolution imaging : The narrow bandwidth enables high-contrast images to be obtained, revealing fine details in nebular structures.

Conclusion

In conclusion, the filter OIII Pegasus Astro est un outil de haute qualité pour l’astrophotographie spécialisée, offrant une excellente transmission dans une bande étroite centrée sur les raies d’émission de l’oxygène doublement ionisé.

Filter typeSHO (narrow bands)
Bandwidth7 nm
ParafocusingYes
Wavelength500nm
WeightN/A
In the boxFilter only
Special featuresNarrow-band filter, high transmittance >80%

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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