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Carabo...

Macro In Studio 4

View gallery (13 photos)

Carabo sent on May 20, 2012 (20:30) by Pixelxpixel. 3 comments, 1127 views.

at 100mm, 1/160 f/25.0, ISO 50, tripod.

Canon 55-200 (a 200mm) + lente Rainox - f25-1/125-ISO100 - Flash Bowens da 500W - Tavolo da Still-life.



2 persons like it: Guido G., Paolo Macis


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avatarsenior
sent on May 21, 2012 (11:01) | This comment has been automatically translated (show/hide original)

Hello Walter. I notice that you used your usual standard configuration machine / lenses. Never change a winning horse then? I know you were also fiddling with extension tubes, so I came up with the spontaneous joke.
For the shot, good result, as usual, in relation to optics used. Always amazes me the value f25, as with my lens (f2.8 macro usm canon ef100), and f16 known loss of quality (diffraction).

avatarjunior
sent on May 21, 2012 (13:24) | This comment has been automatically translated (show/hide original)

In hello, is like a resent
I shall quote what I wrote on my blog space here on the forum
"Hello to all
I finally got a little 'time to make the texts between my more than proven solution to the 55-200 with Raynox lens and using extension tubes with transmission contacts as desired and expected.

How Good I used the solution of the extension tubes at various apertures, from fully open to fully closed.
fully closed only works well if you use more than the largest 31mm. With the tubes in spite of having made various tests combined with diaphragms also open all the results were the height.

The texts I made them with lenses that I have are that the plasticotto 18-55 and 55-200 always canon.
But at the same targets the lenyou Raynox despite being a lens positioned forward of the respective objectives does not create aberrations, pictures are razor sharp, and the magnification factor is higher with the advantage of being able to place more distant from the subject than the tubes.

Surely the optical I are not suitable for use with the tubes, but the difference is enormous.
At the moment so I will continue with the pairing 55-200 + Raynox waiting for a new lens for the future. '



In You know give me some explanation?

see you soon
PixelXpixeL

avatarsenior
sent on May 21, 2012 (16:42) | This comment has been automatically translated (show/hide original)

Behold, I have given a look at the blog. I do not have an explanation, although in theory, removing the element of "additional lens" quality would improve and not get worse. To me so far it appears that the macro, there is only a loss of light due to the draw, nothing more. If I have news I'll let you know.
It seems at this point that that particular lens functions also as an element of the corrective optical system


RCE Foto

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Some comments may have been automatically translated with Microsoft Translator.  Microsoft Translator



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