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Reducer / Corrector 0.77x for Esprit 120ED

Reducer / Corrector 0.77x for Esprit 120ED

SKU:skywatcher-SW0461

Prix habituel €355,00 EUR
Prix habituel Prix promotionnel €355,00 EUR
En promotion Épuisé
Taxes incluses. Frais d'expédition calculés à l'étape de paiement.

Kas leidsite kusagil odavamalt? Võtke meiega ühendust!

Apochromatic refractor telescope owners Espirit 120ED can now image with a reduced focal length. Although the nominal f/7 focal length is not excessive, it is still appreciable to be able to reduce exposure times or increase signal-to-noise ratio (the focal length ratio then becomes f/5.4).

Characteristics

  • Resulting focal length ratio (with Espirit 120ED): f/5.4
  • Number of lenses: 3 (FMC - Fully Multi Coated multilayer treatment)
  • Backfocus: 55mm
  • Image circle corrected (for APS-C): 34mm
  • Female thread for 2" filter: Included
  • Thread (camera side): M48x0.75
  • Thread (telescope side): M74x1
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