Re: camera selection

From:Gordon Couger

RE: camera selection
In side by side trials I did  a Nikon Coolpix 950 does better than Coolpix 995 or later camera. As the Zoom lens gets more complex more artifacts appear in the final photograph.
The rings and blobs in the center show up in light back grounds and are not a problem if they are in the images area. The artifacts can be minimizes retouched or cropped out. There is possibly a digital solution for them.
I have done extensive testing trying to minimize the artifacts with limited results.
I have not completed the work an published it yet. I am still examining the effects of lighting on the arifiacts but they are not easy to minimise.
Several people have been totaly disgusted with the later model CoolPix for microscope work.
In all other respects it is a great camera but for microscope work I would choose a used 950 while it has slightly less resolution it produces a lot more trouble free images.
Gordon Couger
I collect links on information related to light microscopes.
Please forward any links or information you think might be useful to others.
----- Original Message -----
From: Tony Henwood
To: 'Sylvia Poulos' ;
Sent: Thursday, February 13, 2003 4:16 PM
Subject: RE: camera selection

We use the Nikon  Coolpix995 for both macro and microphotography. I also works well with our Immunofluorescence cases.

Tony Henwood JP, BappSc, GradDipSysAnalys, CT(ASC)
Laboratory Manager
The Children's Hospital at  Westmead,
Locked Bag 4001, Westmead, 2145, AUSTRALIA.
Tel: (02) 9845 3306
Fax: (02) 9845 3318

-----Original Message-----
From: Sylvia Poulos []
Sent: Friday, 14 February 2003 4:21
Subject: camera selection

Hi all,
It seems my trusty 35mm camera is calling it quits.  I'd like to get some feedback from those of you who have digital cameras on your microscopes for imaging.  I'm debating on the extra cost of a cooled camera for fluorescent stains.  Also, any advice as to particular cameras (positive and negative) would be wonderful. 

Thanks a bunch!

Sylvia Poulos
USDA-ARS-Animal Physiology Research Unit
Athens, GA 30605

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