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billD80

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"RE: Sharpness - and MP."

billD80 Silver Member Nikonian since 22nd Jan 2007
Wed 16-Feb-11 12:03 PM

>Unsharpness due to camera shake increases with
>magnification.
>The "rule of thumb" seems to go back to the 1950's
>and seems to be based on a 1/100 edge blur being acceptable in
>a 10x8 inch print taken with a standard lens for the format of
>a 1 foot wide format.
>Half a century ago few people had anything other than a
>standard lens, zoom lenses hardly existed, and film was not
>good by modern standards.
>Modern equipment is much better and can be enlarged much more
>- and the 1/100 blur OK in a 10x8 print can easily become 1/15
>of an inch from 16 MP viewed at 200% on a monitor.
>If your technique is reasonable you get sharp images from any
>camera in a 10x8 inch print.
>If you want to make a print after cropping a lot, or to view
>at 200% (as you can from 16 MP) your technique needs to be
>very good for camera shake not to show at large
>magnifications.

This kind of clearly stated info is priceless. The paradigms have changed (I think, for the better). Looking at a box of Velvia with a 10x loupe was always exciting, but perhaps not as revealing as 100% of a 16mp sensor on a large monitor.

Interesting that the camera/lens often gets blamed for simply better recording what's actually been done by the photographer.

www.billkeane.zenfolio.com

A general, generic topic On the fence [View all] , browntdb Silver Member , Thu 10-Feb-11 05:06 PM
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