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 Post subject: Crop vs Full Frame
PostPosted: Tue Dec 25, 2007 6:08 pm 
Not sure if this has been discussed before as I am finding hard to define proper search terms looking for particular answers. Also, I am not sure if this is the right place for this post so the admins would like to move it to the appropriate place, pls do :)

It seems that there are a lot of people who want to upgrade from a crop camera to a full frame DSLR. The advantages are well discussed. But what I would like to know is if there are any situation where a photograph would be better recorded using a crop camera rather than full frame.

I apologize if this is a stupid question though. I took up photography not too long ago and absolutely loving it. Learning so much from photography and this forum. Everyone is quite helpful here. Thanks all. Merry Christmas and Happy New Year.

Cheers,
Andrew


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 Post subject:
PostPosted: Tue Dec 25, 2007 6:13 pm 
maybe wildlife or concert photography because the longer focal lengths but a full frame would still handle its ISO better.


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 Post subject:
PostPosted: Tue Dec 25, 2007 8:34 pm 
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Joined: Tue Nov 08, 2005 3:32 pm
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Location: Queenstown, New Zealand
Great question!

I'd say the biggest technical benefit of a compact (apart from stuff like movie modes and live view) is that their tiny actual focal lengths mean you can easily achieve very large depths of fields - ie a lot in focus from close to far.

Unfortunately the flip side of this is that it's very difficult to achieve the opposite effect with a compact where you have, say, a portrait on a blurred background...

Gordon


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 Post subject:
PostPosted: Tue Dec 25, 2007 9:02 pm 
not sure he meant a 'compact' camera, think he might have meant a cropped sensor like what the D80 has?


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 Post subject:
PostPosted: Tue Dec 25, 2007 9:09 pm 
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Joined: Sun Nov 05, 2006 11:08 pm
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If you "crop" enough, you get a compact :D
So what Gordon said depends on sensor-size, not mega-pixels...

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Thomas (beware: Nikon-fanboy and moderator!) My Lens Reviews, My Pictures, My Photography Blog
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 Post subject:
PostPosted: Tue Dec 25, 2007 9:19 pm 
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Sorry, I mis-read that! My mistake!

There are actually still noticeable differences in perspective and DOF between cropped and full frame bodies - and of course full-frame gives you noise and dynamic range benefits. Depeneind on the sensor resolution, full frame can also be less demanding on the resolution of the lens, although they can suffer more from vignetting / light fall off in the corners, especially with wide angle.

Gordon


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 Post subject:
PostPosted: Fri Dec 28, 2007 11:58 am 
Thanks everyone for your input. I see a lot of posts with people looking to upgrade to a FF body and just wondered if there were situations where a crop sensor would be better used. Maybe for those requiring longer focal length would be better on the crop. Though, I guess the wide angle will be the big hassle for most on a crop.

Anyway, thanks again everyone and all the best in the new year :)


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 Post subject:
PostPosted: Fri Dec 28, 2007 8:56 pm 
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Remember that if you have a high res full-frame, you can also crop the image and end up with the same result as the cropped body. So cropped bodies don't really have an advantage by multiplying the focal length - UNLESS of course the total number of pixels in the frame is bigger.

There's an example of what I mean on this page:

http://www.cameralabs.com/features/Cano ... ge3c.shtml


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 Post subject:
PostPosted: Sat Dec 29, 2007 3:25 am 
Ahhhh..... thx Gordon. Should've found / read this article in the first place. A very good read. Thx again. :)
Andrew


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 Post subject:
PostPosted: Mon Dec 31, 2007 7:47 pm 
ac55699 wrote:
Thx again. :) Andrew

Interesting.... My name is Andrew. I was about to point out FF don't have 35mm crop factor, but Gordon beat me to it.


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