[Leica] Re:M8 DNG vs DMR DNG

[len-1 at comcast.net (Leonard Taupier)]

Henning,

Now that makes a lot of sense. Thanks. I do have some problematic  
scans that might benefit from rescanning to 16 bit.

Regards,
Len

On Nov 5, 2006, at 1:40 PM, Henning Wulff wrote:

> At 1:14 PM -0500 11/4/06, Leonard Taupier wrote:
>> Steve. I've got some slides to scan today. I'll try both 8 and 16  
>> bit of the same slide. I've tried 16 bit in the past when I wanted  
>> ultimate quality for a very large print. As I recall the original  
>> tiffs looked pretty much identical and of course the 16 bit files  
>> are now getting really big. I'll play with both files to see if  
>> the 16 bit holds up longer.
>>
>> Len
>>
>
> Hi Len,
>
> If you make only small adjustments to a well exposed photo, 8 bit  
> and 16 bit will be essentially the same. On the other hand, if you  
> are struggling to pull detail out of the shadows that you think you  
> saw in the original slide, only 16bit will do. One of the most  
> powerful tool in Photoshop, Curves, really shows the benefits of 16  
> bits, especially if you use it on individual channels. If you have  
> a slide or digital image that is very flat, and almost everything  
> is medium gray, the Curves tool lets you expand that with very good  
> control, but you'll easily get banding with 8 bit files. 16 bits  
> gives you a chance to rescue these types of shots.
>
> -- 
>    *            Henning J. Wulff
>   /|\      Wulff Photography & Design
>  /###\   mailto:henningw@archiphoto.com
>  |[ ]|     http://www.archiphoto.com
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information