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Ships within 48 hours · Estimated delivery Sep 19 - Sep 24
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Description
Documentation utilisateur
In the second photo
4-group structure with lanthanum glass for maximum clarity
Type: H-Beta
Full width at half maximum (FWHM): 25 nm ± 2 nm
Objectif Astrograph APO 54mm f/4.5 SV555 pour Photographie Astronomique plein format - SVBONY facebook Documentation utilisateurL'objectif Astrograph APO 54mm f 4. 5 SV555 de SVBONY est conu pour la photographie astronomique plein format, offrant des images claires et prcises grce sa structure optique avance. Caractristiques Avantages Compatibilit lments livrs Type d'objectif : Astrograph APO, design Petzval (5 lments en 3 groupes) Ouverture : 54mm Revtement optique : FMC Longueur focale : 243mm Rapport focal : f 4. 5 f 22 Focuser : Hlicoidal Cercle d'image : 44mm (plein
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