Re: [APML] Cocoon nebula on Provia 400F - corrected link

[Ray Butler <ray.butler@nuigalway.ie>]

Hi Nicola & Eder,

Thanks for your advice and opinions on this scanner. They are very 
useful to the prospective buyer. The 4990 should be slightly better 
again - DMAX 4.0 compared to 3.8.

Cheers,
Ray


Nicola Montecchiari wrote:

> Éder Iván ha detto: in data 11/07/2005 23:46:
>
>> The 4870 has very good value for the money. The 3.8 density is well 
>> enough. What I don't like: A bit soft image. The 4800 dpi optical 
>> resolution is not true, a 2400 dpi scan gets almost the same 
>> resolution. I miss the resampling function from the softwares, 
>> because there is some noise of the scanner. Silverfast software has 
>> no 16 bit/channel output function, therefore i don't use it. There is 
>> also some "color shift" problem, but not always.
>> But i think it is a very good choice, look Wei-Hao's pictures!
>
>
>
> My 4870 works very well, too! I didn't find any scanner noise up to 
> now, apart from the fact that I always scan the slide twice and then 
> everage them. The problem with the colour shift usually might arise if 
> you leave some place of the flatbed transparent to light. Try to put a 
> black cartoon around the slide you scan and I believe you'll see your 
> problems disappear.
> Only my 2 cents...
>
> Nicola
> http://astrofoto.laza.it
>
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-- 
Dr. Ray Butler
Lecturer, Physics Department & Computational Astrophysics Laboratory,
National University of Ireland - Galway, 
University Road, Galway, Ireland. 
Web: www.nuigalway.ie/physics/ 	Email: ray.butler-AT-nuigalway.ie 
Tel: +353-91-493788 		FAX: +353-91-494584


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