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End of DX as we now know it?


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dm1dave

Lowden, US
13750 posts

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"RE: End of DX as we now know it?"

dm1dave Administrator Awarded for high level knowledge and skills in various areas, most notably in Wildlife and Landscape Writer Ribbon awarded for his excellent article contributions to the Nikonians community Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 12th Sep 2006
Fri 08-Jun-12 01:47 AM

“You change to a 600/4. Your exposure is the same because you are still f/4.”

This is the only point I was trying to make. 500mm or 600mm the total amount of light across the frame is the same as long as you are at f/4.

What you seem to be saying is that more of the light that is gathered is on your subject rather than wasted on the background.

You can get that effect by using a longer focal length or getting closer to the subject. Either way you increase the amount of light covering your subject and avoid unnecessary enlargement therefore reducing visible noise.

Dave Summers
Nikonians Photo Contest Director
My Nikonians Gallery | Current Nikonians Contests

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This is a hot topic – It has been locked by a team member End of DX as we now know it? [View all] , NikonMark37814 , Sat 26-May-12 05:09 PM
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