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| sent on May 17, 2019 (0:22) | This comment has been automatically translated (show/hide original)
The greenish dominant that appears in high definition on the upper edge of the moon could be due to diffraction? F18 for the sensor of the 700d is perhaps too closed... Or are there other reasons?
A big thank you to those who will give me some suggestions.
Dear Greetings La dominante verdastra che appare in alta definizione sul bordo superiore della luna potrebbe essere dovuta a diffrazione? F18 per il sensore della 700d è forse troppo chiuso... o ci sono altri motivi?
Un grande grazie a chi mi darà qualche suggerimento.
Cari saluti |
| sent on May 17, 2019 (13:08) | This comment has been automatically translated (show/hide original)
It looks perfect to me!! A me sembra perfetta!! |
| sent on May 17, 2019 (14:51) | This comment has been automatically translated (show/hide original)
Thank you so much Robyf my best wishes
Carlo Grazie di cuore Robyf un caro saluto
Carlo |
| sent on May 18, 2019 (1:01) | This comment has been automatically translated (show/hide original)
It is called chromatic aberration produced of the lenses that are not "apochromatic" but only achromatic, that is that they remove all the spurious reflections that are transmitted between the groups of lenses, it takes super AND low dispersion lenses to avoid this chromaticism; not by chance The lenses for the "apochromatic" telescopes are designed for astronomy because they manage to convey the three RGB colors in a single point, taking away all the chromatic aberrations returning faithful colors, while those for photographic lenses are not Suitable, except for some expensive fixed-focal lens and not zoom, for astronomical shooting, Moon and Sky Depp!!
I hope I was quite exhaustive
a greeting
Riccardo si chiama aberrazione cromatica prodotta delle lenti che non sono "apocromatiche" ma solo acromatiche,cioè che tolgono tutti i riflessi spuri che si trasmettono tra i gruppi di lenti,ci vogliono lenti super ED a bassa dispersione per evitare questo cromatismo;non a caso le lenti per i telescopi "apocromatici" sono ideati per l'astronomia perché appunto riescono a convogliare i tre colori RGB in un unico punto togliendo di fatto tutte le aberrazioni cromatiche restituendo colori fedeli,mentre quelle per obiettivi fotografici non sono idonei,tranne per qualche costoso obiettivo a focale fissa e non zoom,per le riprese astronomiche,Luna e depp sky!!
spero di essere stato abbastanza esaustivo
un saluto
Riccardo |
| sent on May 18, 2019 (6:01) | This comment has been automatically translated (show/hide original)
Thank you very much Riccardo, very kind and exhaustive. I thought I made some mistake setting... I am very comforted by the knowledge that I have reached the technical limit of my equipment.
A dear greeting
Charles Grazie di cuore Riccardo, veramente gentile ed esaustivo. Io pensavo di aver fatto qualche errore di impostazione... mi conforta molto il sapere di aver raggiunto il limite tecnico della mia attrezzatura.
Un caro saluto
Carlo |
| sent on May 18, 2019 (9:18) | This comment has been automatically translated (show/hide original)
A tip If I can is to use fixed focal lenses on the deep sky because, even if not valuable invoice, offer good performance and a few chromatic aberrations that in PP can be eliminated if they are not too invasive, while the moon can be Used the zooms, and even them if you are familiar with Photoshop those pesose aberrations can be resized.... ?? Un cosiglio se posso è quello di usare obiettivi a focale fissa sul deep sky in quanto, anche se di fattura non pregiata, offrono buone prestazioni e poche aberrazioni cromatiche che in PP si possono eliminare ove non siano troppo invasive, mentre per la Luna possono essere utilizzati gli zoom, ed anche li se si ha dimestichezza con Photoshop quelle fastidiose aberrazioni posso essere ridimensionate.... ?? |
| sent on May 18, 2019 (9:36) | This comment has been automatically translated (show/hide original)
Ok, my familiarity with Photoshop and Lightroom is next to absolute zero...
However I made the subscription with Adobe, I will get to study it for good... I have a PC dated (Windows 7) and I could not install the latest version, however...
Thanks again Rasauq, you were really very kind, I will treasure your advice.
Good Weekend
Charles
Ok, la mia dimestichezza con Photoshop e lightroom è prossima allo zero assoluto...
Però ho fatto l'abbonamento con Adobe, mi metterò a studiarlo per benino... ho un PC datato (Windows 7 ) e non ho potuto installare l'ultima versione, comunque...
Grazie ancora Rasauq, sei stato veramente molto gentile, farò tesoro dei tuoi consigli.
Buon fine settimana
Carlo
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