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Topics - Frage

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Lenses / Canon APS-C<Speedbooster<EF Lens. Possible?
« on: September 23, 2014, 09:32:25 PM »
Hi people!

I am sorry if this a stupid question but I have to ask in order to learn.

Is possible such a combination?: A Canon crop camera with a (I think not existing)speedbooster and any EF lens in order to gather the "extra" light the lens is providing and the sensor, due to its smaller surface, is not able to use. Would it improve APS-C sensor ISO performance?

Thanks in advance and sorry if it is a completly dumb question.

Technical Support / Strange artifact in my picture
« on: October 24, 2013, 09:21:13 AM »
Hi people, I just realized in an old picture there is a strange artifact I never saw again in any other picture taken with the same gear. Should I worry?
Do you have any idea what it could be?
Thanks for your advices.

IMG1293 por Basta!!!, en Flickr

Software & Accessories / Lightroom film look presets
« on: May 20, 2013, 01:07:51 AM »
Hi everybody!

I would like to have some Film look presets for LR 4 and I do not want to spend any money for it. I am a 600d/t3i user in case it were relevant.
Do you have some recomendation?


EOS Bodies / 6D AF and Focal Plane issues by recomposing
« on: January 13, 2013, 10:52:22 AM »

I would like to know your thoughts on this topic.
How difficult could be to work with a 6D and a fast lens if you have to recompose (focal plane distance changes) and want to achieve a shallow DOF ?

Lenses / Sigma 50 1.4 or canon 85 1.8
« on: December 21, 2012, 09:13:41 AM »

I would like to know your thoughts on aquiring a new lens for my 600d.
With the lens I would like to do some low light and strob photos, also but not that much street. It should be also useful for video (manual focus capability).
I would like to have some nice sharp images and a nice oof background. What would you recomend?
I also considered the Samyang 85mm 1.4 but I really do not know how is it to focus on a 600d with the stock focus screening, which I am not willing to replace.
I know 50 and 85 are quite different focal lenghts and actually I already have the sigma 17 50, which makes me quite happy, but sometime the f 2,8 does not deliver the oof I wish.

Thank you for your advices.

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