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Cassegrain CFF 250 f/20 ?

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Si c'est question de prix, je me suis déjà servie chez eux, j'ai pris un 12,5mm que je trouve très bien et qui me fait double usage (objectif C-Mount comme 2eme emploi)

Surplus-Shed_80mm plössl

Surplus-Shed_51mm plössl

... Erflé 60° 38mm, etc
La poste aux USA est assez chère (+25-30€) et le délai de livraison en basse vitesse : compter 1 mois.

[Ce message a été modifié par lyl (Édité le 10-02-2017).]

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