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2x2 cm -have you thought about a commercial macro lens?
Cheers
On 3/03/2013, at 3:59 PM, Andrew York <[log in to unmask]> wrote:

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> 
> I'm looking for some advice about buying or building my own low-mag
> brightfield microscope. I want the following capabilities:
> 
> * Brightfield illumination
> * Cheap ccd or cmos camera with as many pixels as possible (>10 MP
> ideally), no eyepieces required, acquiring to a computer.
> * Large field of view, ~2x2 cm
> * Adjustable zoom would be nice, over a moderate range (maybe a factor of 4)
> * Resolution limited by camera pixel size rather than aberrations or
> diffraction (if possible)
> * Manual controls, no automation required in the optics
> * Room between the objective and the tube lens for a dichroic, which I
> might want to insert later, for free-space coupling of illumination beams.
> 
> Is there an obvious commercial solution that is good and cheap? If not, any
> advice on where to buy the components is appreciated.

Mark  B. Cannell Ph.D. FRSNZ
Professor of Cardiac Cell Biology
School of Physiology&  Pharmacology
Medical Sciences Building
University of Bristol
Bristol
BS8 1TD UK

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