Pleiades | JuzaPhoto

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Galleries
Astrophotography

30.7 MEGAPIXEL

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Pleiades sent on January 16, 2023 (15:12) by Davide Pica. 1 comments, 243 views.

, Posa B f/5.6,

Primo test del mio nuovo obiettivo. Il leggendario Jupiter 21M, 200mm di focale. Devo dire che per 30 euro la resa è al pari di un piccolo acromatico che costerebbe 10 volte tanto. Ho dovuto abbassare di uno stop, quindi da f/4 a f/5.6 per ridurre (quasi eliminare) le aberrazioni ottiche ai bordi. Poi ho la fortuna di avere un sensore dedicato con una diagonale piuttosto contenuta, 16mm formato quadrato, che ovviamente fa notare ancor di meno le aberrazioni. Scatti da 180 secondi per un totale di un'ora, con autoguida. Camera Zwo ASI 533MC Pro, montatura Skywatcher Az-Eq6.

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6 persons like it: AstroC, Dargiu, Fabio F77, Leopoldo Lusa, Politiz29, Salvatopo

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AstroC

sent on January 16, 2023 (18:30) | This comment has been automatically translated (show/hide original)

Great beautiful grenade the 21M. Little expense and a lot of yield.

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Some comments may have been automatically translated with Microsoft Translator.