RCE Foto

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Skyline...

Various

View gallery (21 photos)

Skyline sent on April 16, 2013 (22:56) by Xiale. 6 comments, 683 views. [retina]

1/800 f/4.5, ISO 80, hand held.


View High Resolution 12.0 MP  



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avatarsenior
sent on April 17, 2013 (23:18) | This comment has been automatically translated (show/hide original)

I like it, good nice start
hello:-P

avatarsupporter
sent on April 17, 2013 (23:25) | This comment has been automatically translated (show/hide original)

Well done, keep it up.
Hello Paul

avatarsenior
sent on April 19, 2013 (9:31) | This comment has been automatically translated (show/hide original)

I think the most useful criticism of compliments, so I'm a bit 'counter. During shooting saw that the light was not lacking more I closed the aperture to f / 8 for maximum sharpness, and given the sensitivity of native iso, iso 100 probably. In post production then I would correct the exposure by opening a little 'shadows and removed those two or three spots in the sky ;-)

avatarjunior
sent on April 21, 2013 (12:34) | This comment has been automatically translated (show/hide original)

thanks to all
Maurizio: I would explain better the speech to maximize the sharpness? is a question that I often, to decide whether to stay in the middle diaphragm (considering that my range is f2.8-f8) and manage time, open or close more ... But if I close as you say, I have to lengthen the time ... how do I gain clarity? consider also that there was a lot nuvolo at that time .. lights look! Meanwhile, thanks for your help! ;-)

avatarsenior
sent on April 21, 2013 (13:40) | This comment has been automatically translated (show/hide original)

the diaphragm for better sharpness depends on optics, in general with the optical properties of the medium-low you get the highest sharpness around f / 8, but most professional lenses are extremely sharp already at larger openings. There are a lot of tests available on the internet, reviews of lenses that compare the sharpness with several openings ;-) usually with the landscapes using apertures between f / 8 and f/11 also to maximize the depth of field, you should also calculate the hyperfocal distance, tripod, manual focus etc ... in this case by the shooting data is realized that the light was abundant, 1/800 second six well above the safety times also taking freehand. too close the diaphragm, however, has the opposite effect will be billed at an optical phenomenon called diffraction and sharpness decade, apart from special cases (for example numberI macro or to reduce the light without the use of filters) is not recommended to go beyond f/11, especially with wide angles the depth of field is already very extensive. being a physical phenomenon diffraction is unavoidable and occurs also on the objectives of higher end albeit more subdued.

in any case, all this talk goes a bit 'to hell we are talking about optics mounted on a bridge, and the maximum aperture is f / 8 as I say:-D you should find on the internet of the tests already carried out by others, or arm yourself with patience and do some testing at different openings to find the diaphragm sharper ;-)

avatarjunior
sent on April 21, 2013 (15:45) | This comment has been automatically translated (show/hide original)

urca .... I still have work to do ..... taaaaaaaaaaaaaaanto wow: fconfuso: wow!: fconfuso:

So, if I understand, your suggestion to f8 (thinking I had a reflex) meant staying about half .. I held f4.5, then in the middle of my range .. more or less .. maybe I could do f5.6
because even after you say "too close the diaphragm, however, has the opposite effect will be billed at an optical phenomenon called diffraction and sharpness decade"
I will try these tests on the internet ...

the manual focus is still a touchy subject .. I have to work ... I still have to understand so many things in my little car ...
IN ANY CASE THANKS!!!


RCE Foto

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