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  1. Galleries
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  3. Macro and Flora
  4. » Fluorescent crystals

 
Fluorescent crystals...

Lab

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Fluorescent crystals sent on October 25, 2025 (9:38) by E_pod. 10 comments, 140 views. [retina]

, 0.8 sec f/22.0, ISO 1000, tripod.

Scatto al buio ottenuto irraggiando la fiala con una luce UV (365 nm). I cristalli aghiformi mostrano un'emissione di fluorescenza a circa 550 nm che conferisce l'intenso colore giallo. Prossimamente vorrei provare dei focus shift, eventuali suggerimenti sono ben accetti.



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avatarsenior
sent on October 25, 2025 (9:39) | This comment has been automatically translated (show/hide original)

show , congratulations

avatarjunior
sent on October 25, 2025 (9:43) | This comment has been automatically translated (show/hide original)

Thank you Roberto, I intend to dedicate an entire gallery to shots taken in the laboratory.

avatarsupporter
sent on October 27, 2025 (15:47) | This comment has been automatically translated (show/hide original)

An interesting experiment and it would seem to me to be successful. I don't know how difficult it can be in this imaginative shot.

avatarsenior
sent on October 27, 2025 (19:36)


This comment is too long to be automatically translated, so it will be shown in its original language (Italian)  

Click here to translate the comment in English [en]


Totalmente ignorante in materia non ho capito niente! MrGreen

Giusto per capire, questa è una fiala di vetro (di che dimensioni?) dove dentro ci sono questi cristalli, ma di cosa?

Un focus stacking potrebbe essere interessante, magari impegnandolo principalmente sulla parte frontale lasciando comunque la parte posteriore con i cristalli sfocati altrimenti secondo me risulterebbe troppo "incasinata" (se si può dire!). In ogni caso anche così è molto interessante quindi complimenti!


avatarjunior
sent on October 27, 2025 (22:17)


This comment is too long to be automatically translated, so it will be shown in its original language (Italian)  

Click here to translate the comment in English [en]


Grazie ad entrambi! La fiala è di vetro e ha un diametro di circa 3 cm ed uno spessore delle pareti di circa 3 mm. Si tratta di fiale adatte alla preparazione/crescita di cristalli per metodo solvotermico. Per farla breve, i cristalli si formano (in questo caso) per lento raffreddamento a temperatura ambiente. I cristalli in foto sono immersi in metanolo.
Si, vorrei provare il focus stacking ma ho dei dubbi che si riesca ad ottenere un buon risultato vista la sezione della fiala. Comunque ci proveròCool

Riguardo l'approfondimento più “chimico” suggerisco la lettura del lavoro associato allo sviluppo di guide d'onda innovative: doi.org/10.1021/jacsau.4c00978

I cristalli in foto sono del composto L2 nello Schema 1.


avatarsenior
sent on October 27, 2025 (23:59) | This comment has been automatically translated (show/hide original)

Very interesting experiment, the creation and growth of the crystals is a very interesting and engaging experiment, as far as the photo is concerned, it seems good to me also given the complexity of the whole, I would have only slightly reduced the light that illuminates the background that tends to burn the color of the crystals making you lose the detail!

avatarjunior
sent on October 28, 2025 (9:39) | This comment has been automatically translated (show/hide original)

Thanks Dmo, do you have any suggestions for the FS?

avatarsenior
sent on October 28, 2025 (9:44) | This comment has been automatically translated (show/hide original)

I believe that your machine manages it directly as a setting, try to check and if present I will tell you how I would proceed in your case.

avatarjunior
sent on October 28, 2025 (10:22) | This comment has been automatically translated (show/hide original)

Yes, that's right. I saw Pinopino's tutorial: www.juzaphoto.com/topic2.php?l=it&t=3911088
Among
the various settings, do you suggest turning off VR for FS with the tripod?

avatarsenior
sent on October 29, 2025 (8:45) | This comment has been automatically translated (show/hide original)

I don't think VR can affect shooting to any extent, on my 105 I always leave it active and sometimes freehand something does...


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