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980mm...

Paesaggi & Astrofotografia

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980mm sent on July 05, 2012 (0:13) by Formha. 26 comments, 3668 views.

con Kenko MC4 DGX 1.4x, 1/125 f/11.0, ISO 320, tripod.

Lo scatto nasce per un test dell'obbiettivo in condizioni limite, ossia con 2 moltiplicatori in cascata: il Kenko TC1.4x DGX + Sigma TC1.4x EX, ...ovviamente in MF. Lunghezza Focale risultante 980mm e angolo di campo paragonabile a quello di un 1.568mm su FF. E' stato emozionante vedere a occhio nudo in Live View quanto velocemente la luna uscisse dall'inquadratura! Si tratta di un singolo scatto croppato per renderlo quadrato. #Luna





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avatarsenior
sent on July 05, 2012 (0:41) | This comment has been automatically translated (show/hide original)

excellent! considering the two multipliers must say that the result is' really, really good!

avatarjunior
sent on July 05, 2012 (10:02) | This comment has been automatically translated (show/hide original)

the result has nothing to envy to a telescope. I really like the clean image that retains detail. Maybe you can improve it further pushing some highlights and a pizzoco increasing the contrast around the gray seas. But it is only an optimization.
hello

avatarsenior
sent on July 05, 2012 (11:35) | This comment has been automatically translated (show/hide original)

The development of RAW in fact I made on my monitor that calibrai time ago, but actually viewing the same image loaded from a different location on the forum seems a little less contrast than appeared on my desk ... we are at the usual by the discrepancy adjustment: fconfuso:. I have further to understand better who says the truth ... :-)

Thanks for the ride guys. ;-)
Fabio

avatarjunior
sent on July 05, 2012 (13:57) | This comment has been automatically translated (show/hide original)

I suggest if you want approndire the course color correction of teacher in the box and its color correction campus group on facebook.
I also recommend an article by Marco Olivotto management point of shadow and light point.

To be concrete, usually if you place a color sampler 3x3 on the darkest and lightest point containing detail, you need to adjust the brightness so that you have in the first case a 10 10 10 and in the second case a 245 245 245 in three colors RGB color space. In this way you care calibration of the monitor. Simply passes grayscale and set on a single value. And if you like the initial color copy of the original file on the old BN unregulated and fondilo in brightness mode. The values ??will change a bit, but in principle you are using the maximum dynamic range. Be careful not to touch 255 or 0 in one of the three channels.
hello

avatarsenior
sent on July 06, 2012 (12:12) | This comment has been automatically translated (show/hide original)

Well made.

avatarsenior
sent on July 06, 2012 (19:29) | This comment has been automatically translated (show/hide original)

@ Sunblack: Thank you, very kind.

@ Ildiora ... a special thanks to you for the tips that will experience as soon as possible! ;-)

Fabio

avatarsenior
sent on July 08, 2012 (20:08) | This comment has been automatically translated (show/hide original)

Eh. look at all these details with mm ... Beautiful.

avatarsenior
sent on July 14, 2012 (17:07) | This comment has been automatically translated (show/hide original)

Although late, thanks Mizzorughi! ;-)

Fabio

avatarjunior
sent on April 27, 2013 (11:47) | This comment has been automatically translated (show/hide original)

wow, looks in 3 d! I do not know if it's the quality of the sigma or coupled in cascade very successful,
I'd like to see what comes out in daylight ...

avatarsenior
sent on May 13, 2013 (0:46) | This comment has been automatically translated (show/hide original)

Sorry if I read late Roberto, I have only now noticed your feedback! As soon as I get the chance I will also test in daylight. Meanwhile, thanks for the ride and welcome comment! ;-)

Fabio

avatarsenior
sent on May 13, 2013 (1:16) | This comment has been automatically translated (show/hide original)

Sharpness monstrous really excellent yield even under conditions beyond the limit ;-)

avatarsenior
sent on May 13, 2013 (14:12) | This comment has been automatically translated (show/hide original)

Thank you, very kind, in fact with two TC worse than I thought, too ;-)

Fabio

avatarsenior
sent on November 11, 2013 (22:51) | This comment has been automatically translated (show/hide original)

a little closer there you could?? wow! (Joke:-D)

great shot! ;-)

avatarsenior
sent on January 08, 2014 (22:59) | This comment has been automatically translated (show/hide original)

Hello, sorry for the delay but I do not know why, I is not got the notification ... Shooting understood only by chance!
Thanks for passing through and the nice comment! :-) ;-)

Fabio

user28347
avatar
sent on January 09, 2014 (20:56) | This comment has been automatically translated (show/hide original)

as you can see with my focal 1260di with sky clean, never been able to do better, I can see that yours is similar if not the most crisp, congratulations, hello

avatarsenior
sent on March 29, 2014 (0:57) | This comment has been automatically translated (show/hide original)

Sergio Sorry ... I do not know why, but I did not get more notifications so I always reply late! Thank you, your shot is great, sure, "the crock" of the two TC cascade is not the greatest, but it allowed me to go further and anyway ... considering multiplication, in fact worse than I thought. ;-)

Fabio

avatarsupporter
sent on January 30, 2015 (17:21) | This comment has been automatically translated (show/hide original)

but how the heck did you do that? I Have done a 560 and, knowing that I would have fallen in with kenko chromatic aberrations, I underexposed a bit 'before recovering PP .. but how the heck you can keep that sharpness with TC 2 of which one (sigma) of which I have not heard very flattering notes ?? wow!

avatarsenior
sent on January 30, 2015 (18:48) | This comment has been automatically translated (show/hide original)

Hello Alberto, actually I also sott'esposto a while, however, I think the majority of the estate is about 500 upstream, but as I said I expected worse with two TC. TC Sigma actually does not say good, but to me it is not that ever went wrong,:-) Indeed, as the rest of the Kenko. I think now with 7DMarkII could also improve the quality a little, to try as soon as possible.

However even your shooting I find it really good, so ... good!
Thanks for passing and welcome feedback;-)

Fabio

avatarsupporter
sent on January 31, 2015 (12:05) | This comment has been automatically translated (show/hide original)

Many thanks Fabio !! I'm happy !! :) :)

avatarsenior
sent on January 31, 2015 (12:12) | This comment has been automatically translated (show/hide original)

I make you many compliments, for the technical part I leave to the experts. The feel fabulous.

Claudio c


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