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In lugnet.space, Todd Lehman writes:
> For example, suppose you have a 10-bit CCD (common), 10x digital zoom,
> and 5x optical zoom. Now if you take a 24-bit color JPEG photo at 10x
> (digital zoom), download it from the camera, load it into Photoshop, convert
> it to a 16-bit image, and resize the image to 50% (half size), that _should_
^^^^^^
Err, I mean a 48-bit image (16 bits per channel)
> contain more detail than if you had just taken the photo at 5x (optical zoom).
> If they look identical, then the camera has a really poor digital zoom.
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Message is in Reply To:
![](/news/x.gif) | | Re: taking good photos
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| (...) I don't think that's quite correct. If your CCD or CMOS chip has greater than 8 bits of depth on each spectral band (most do), then an on-camera digital zoom should contain more information than a post-processed zoom. For example, suppose you (...) (21 years ago, 21-May-03, to lugnet.space, lugnet.publish.photography)
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22 Messages in This Thread: ![taking good photos -John R. Beck (18-May-03 to lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: taking good photos -David Laswell (18-May-03 to lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: taking good photos -John R. Beck (20-May-03 to lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: taking good photos -Chris Phillips (20-May-03 to lugnet.space)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: taking good photos -Bram Lambrecht (20-May-03 to lugnet.space)](/news/x.gif) ![](/news/246.gif) ![Re: taking good photos -David Laswell (20-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif) ![](/news/46.gif) ![Re: taking good photos -Bram Lambrecht (20-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif) ![](/news/246.gif) ![Re: taking good photos -John R. Beck (21-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif) ![](/news/246.gif) ![Re: taking good photos -David Laswell (21-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: taking good photos -Jonathan Wilson (21-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif) ![](/news/46.gif) ![Re: taking good photos -Todd Lehman (21-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: taking good photos -David Laswell (21-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: taking good photos -Todd Lehman (21-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: taking good photos -Ken Koleda (21-May-03 to lugnet.space)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: taking good photos -Ryan Wilhelm (18-May-03 to lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: taking good photos -David Laswell (18-May-03 to lugnet.space)](/news/x.gif) ![](/news/46.gif) ![Re: taking good photos -Todd Lehman (21-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif) ![](/news/246.gif) ![You are here](/news/here.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: taking good photos -Brian H. Nielsen (22-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif) ![](/news/246.gif) ![Re: taking good photos -David Laswell (22-May-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: taking good photos -Todd Lehman (2-Jun-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif) ![](/news/46.gif) ![Re: taking good photos -Brian H. Nielsen (2-Jun-03 to lugnet.space, lugnet.publish.photography)](/news/x.gif)
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