Pentax as first DSLR?

Started Jul 17, 2013 | Discussions thread
Ivan Gordeli
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Re: a comprehension question
In reply to kikivrany, Jul 23, 2013

kikivrany wrote:

Hello again Ivan Gordeli

I have a comprehension question:

Would I be able to push a 5D picture, made at ISO 1600 up to ca 10000 ISO,

like I did in this picture, which I made with the K5 at 8000ISO and pushed it up a little ?

I am not the best person to ask, since I have no first-hand experience with the 5D. My guess is it will be quite possible to do. It is just 2.5 stops push. Of course in this picture there is not much details in the shades, so should be even easier.

I would recommend searching the web for specific examples. I've heard reports of successful 4 stops push on 5D, however this must strongly depend on the scene and how you expose originally of course.

Here is an exampe of 5D image at 3200 pushed to ISO 12800 http://photography-on-the.net/forum/showthread.php?p=14155191

Here people discuss pushing ISO with 5D. Their technique is to set EV compensation to -2 and then push by 2 stops then you get correct exposure. This way ISO3200 is the maximum achievable ISO on 5D. Better though IMHo is deliberately underexpose in full manual mode as much as you want, shoot at ISO1600 and then push as much as you want in PP and use NR too. Then there are other techniques of getting the most out of the camera such as stacking several images, or even stacking several images from the same raw file (pushed to different levels).

Bottomline, I'm pretty sure one can achieve usable ISO 12800 equivalent with any (8 year old or newer) dSLR. How hard it will be that is another question. If you are a master of PP, then it shouldn't be too hard.

But then again, other people may tell you they can't push above ISO 3200.

Another example I have found: http://www.flickr.com/photos/andreas_helke/5153077920/

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