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Old May 10, 2015, 7:41 AM   #1
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O.K I realize that digital zoom is equivalent to cropping but with the quality of these I cant see any benefit of cropping, just frame it and off you go.
I was just trying things out , so I zoomed into this house alarm.
The widest one is 200mm eqiuv 1/200th f5
next, 400mm 1/200th f5,
the largest is 1600mm digital zoom 1/640th f4.
the street light fitting is also 1600mm 1/800th f4
All on iso100 hand held.Intelligent zoom Intelligent Dynamic and Intelligent Resolution set to Standard
As usual I'm not sure how good/bad these will look reduced down but on my pc they look amazing.
Straight out of camera by the way.
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Old May 10, 2015, 6:24 PM   #2
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What cropping doesn't offer of course is the correct exposure achieved when using the full digital zoom. In effect- a small bright target taken against a large dark background (if multi-metering was used, or auto shooting) would probably be over exposed when cropped. Whereas the small bright target when zoomed in fully (digital or otherwise...) would be exposed correctly...
For instance- look at the "Orion" writing on the alarm- probably over-exposed in the first image if you were to crop in- but exposed correctly in the final image...
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Old May 10, 2015, 6:46 PM   #3
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Quote:
Originally Posted by SIMON40 View Post
What cropping doesn't offer of course is the correct exposure achieved when using the full digital zoom. In effect- a small bright target taken against a large dark background (if multi-metering was used, or auto shooting) would probably be over exposed when cropped. Whereas the small bright target when zoomed in fully (digital or otherwise...) would be exposed correctly...
For instance- look at the "Orion" writing on the alarm- probably over-exposed in the first image if you were to crop in- but exposed correctly in the final image...
Well noted Simon,I must admit I've never thought of that before
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