RCE Foto

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Diy...

Covid, tra autarchia ed archivi

View gallery (18 photos)

Diy sent on November 10, 2020 (19:07) by Paolo P. 87 comments, 3729 views. [retina]

, 1/100 f/6.3, ISO 1000, tripod.

Costruzione per scansione diapositive 24x36 e negativi 24x36 – 45x60 – 60x60 Fotocamera Nikon D610 – Ottica Sigma 105 mm macro Dimensioni ottimizzate per usare sistema di illuminazione con una normale lampada da tavolo, nonché per avere il mirino all'altezza occhi da seduto alla scrivania. La scatola in legno è montata “a coulisse” su due guide fissate alla base ed è posizionata per avere la distanza più o meno corretta della fotocamera per le riprese di fotogrammi 24x36 con rapporto 1:1 Il fissaggio è ottenuto per mezzo di due viti “maschio/femmina” con filettatura interna (di quelle usate per i mobili) disposte in modo asimmetrico onde non creare asse di rotazione. La cassetta di supporto dispone di due ulteriori fori (non visibili) che consentono di arretrare il sistema sulle guide per le riprese di formati maggiori. Slitta micrometrica con doppi cursori ortogonali. La slitta è fissata con due viti alla base di legno. La distanza dal piano di ripresa è calcolata con approssimazione di circa 2 mm in modo tale che la verticale passante dal baricentro del sistema (fotocamera + ottica) cada in centro alla base di appoggio onde non generare alcun “momento” sull'apparato di fissaggio che risulta praticamente statico. L'ottimizzazione della distanza avviene per mezzo della vite micrometrica come pure la centratura fine in orizzontale. Il telaietto posto davanti all'obiettivo dispone di due viti “a galletto” che ne consentono lo scorrimento in verticale su due “asole” fresate sulla parete frontale. Sulla parte posteriore illuminazione a 4000 °K con diffusore su telaietto di cartoncino nero. Funziona, e con rapidi aggiustamenti mi consente di scansionare anche i negativi di formati diversi prodotti, ai tempi, con Rollei biottica, Zenza Bronica, Hasselblad 500 C. Un piccolo gioco a cu mi sono dedicato senza pretese particolari, certo di essere lontano dai risultati di Carlo (Alfonso), Carlo (Magher3D), Fabio etc…. ben scusandomi con chi non sto menzionando. Al più mi conservo quel che posso scegliendo alcune opportunità fra parecchie decine di migliaia di dia e negativi prodotti nel corso di una vita con una filosofia condivisa, non più tardi di 25 giorni or sono, con Carlo Chierichetti … tristissima storia che stento a credere vera.



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avatarsenior
sent on November 12, 2020 (14:19) | This comment has been automatically translated (show/hide original)

[QUOTAS] The choice to proceed "on my own" however has a strong component of hobby fun: I had thought of motorizing all the movements with some gears, 24v servo control and an electromechanical "quadrettino" (with a small electronic component for signal conversion)

Paolo I fully support this idea of yours too! :-D
There would be a dose of fun to scream :-D
Anzi, I also give you another idea: what do you think about modifying an old slide projector to have the ability to manage the diapo charger automatically, perhaps also equipping it with a suction/blowing system to remove dust too?
Forgive me, I'm a bit "sick" :-)
Ciao,
Carlo

avatarsupporter
sent on November 12, 2020 (14:50) | This comment has been automatically translated (show/hide original)


avatarsenior
sent on November 12, 2020 (15:36) | This comment has been automatically translated (show/hide original)

Paul, I did not know this aspect of you as an ingenious, trained and even stubborn person, a fundamental feature to achieve the goal. In fact, you just had to think that you were climbing mountains and it was almost logical.
om still complimenting Paul!
Ciao,
Carlo

avatarsenior
sent on November 12, 2020 (23:57) | This comment has been automatically translated (show/hide original)

:-o :-o what work Paul!!. Congratulations. I am very curious to see a scan of a negative or half format. Hello

avatarsupporter
sent on November 14, 2020 (11:10) | This comment has been translated

Great shot!

avatarsupporter
sent on November 14, 2020 (11:19) | This comment has been automatically translated (show/hide original)

Carlo ......... we will see,
Alejandro , on the half format I think I will make you wait long enough (I have here a confusion....) but we will get there,
Werner,
I thank you for passing and commenting.
Happy weekend
Paolo

avatarsenior
sent on November 15, 2020 (19:10) | This comment has been automatically translated (show/hide original)

Great handcrafted device, congratulations!
A greeting

avatarsupporter
sent on November 15, 2020 (20:06) | This comment has been automatically translated (show/hide original)

Thanks Alessandro.
Greetings.
Paolo

avatarsenior
sent on November 18, 2020 (11:41) | This comment has been automatically translated (show/hide original)

I am impressed, really a great job congratulations, I am much lazy and I just bought a lunimosa tablet :-) good job, hello

avatarsupporter
sent on November 18, 2020 (14:16) | This comment has been automatically translated (show/hide original)

Magnificent realization... congratulations... 8-)

avatarsupporter
sent on November 18, 2020 (14:23) | This comment has been automatically translated (show/hide original)

But great Paul, congratulations.
A greeting.
--
Mauro

avatarsupporter
sent on November 18, 2020 (15:24) | This comment has been automatically translated (show/hide original)

Alberto,
Luciano,
Mauro,

thankly, very pleased with your comments to this DIY game.
The usual, very cordial greeting.
Paolo

avatarsupporter
sent on November 19, 2020 (16:46) | This comment has been automatically translated (show/hide original)

We're beyond photography. This is an authentic "Recherche".
With admiration
A greeting
Federic

avatarsenior
sent on November 21, 2020 (16:18) | This comment has been translated

Beautiful!

avatarsupporter
sent on November 21, 2020 (18:57) | This comment has been automatically translated (show/hide original)

Federico, I see only now but I fully appreciate your great comment.
Francesco, thank you.
A cordial greeting.
Paolo

avatarsenior
sent on November 23, 2020 (14:28) | This comment has been automatically translated (show/hide original)

Nice work Paolo, I think the design phase was more demanding than the realization phase in this case. Having meticulously revealed the details of your project without 'jealously keeping the secret' honours you.
I'm ing fun now.
Cyo
Marco

avatarsupporter
sent on November 23, 2020 (17:25) | This comment has been automatically translated (show/hide original)

Hi Marco, happy with the meeting. I confirm that the system works excellently and I am scanning so many give a lot of "go" that dad took many decades ago; the result is .... well, I keep the memory.
A dear greeting.
Paolo

avatarjunior
sent on November 28, 2020 (8:38) | This comment has been automatically translated (show/hide original)

Congratulations Paolo for your skills in carpentry and optics. We need a patent.
Aeo.

avatarsupporter
sent on November 28, 2020 (10:42) | This comment has been automatically translated (show/hide original)

Thank you, this is just a game and the product is very basic, but happy with your appreciation.
A greeting.
Paolo

avatarsenior
sent on December 08, 2020 (15:46) | This comment has been automatically translated (show/hide original)

You should patent it :-o great work in every sense.. ;-)


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