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With that large a field of view you might have better luck shopping in the
'machine vision' section of most websites.  A nice telecentric lens might
work for you.  Edmund Optics and Thorlabs are where I buy most of my parts
for such things.  Thor is good for frames (use their cage or rail systems)
and Edmund is good for filters and the like.  Edmund also sells a variety
of cameras and lenses, including tube lenses.  They are also good for
relatively inexpensive filters.

Craig



On Sun, Mar 3, 2013 at 11:36 AM, Knecht, David <[log in to unmask]>wrote:

> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> *****
>
> I built a macroscope by screwing a zoom/macro lens onto a Sony CCD camera.
>  That was a number of years ago, but the camera was a XCD-710 (looks like
> currently Sony’s XCD SX90 at Edmundoptics) and the lens is a Navitar Zoom
> 7010 lens.  I mounted the camera/lens on a track stand from Howard
> Electronics.  I use a fiber optic light source like the Dolan Jenner dual
> fiber optic.  Works great for 1mm to multi-cm sized objects (colonies on
> petri dishes mostly).  Micro-manger controls image acquisition.  Dave
>
> On Mar 3, 2013, at 12:45 PM, Andrew York wrote:
>
> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> *****
>
> Good suggestion! A commercial macro lens might work well. Could you
> recommend a lens, and a monochrome sensor that can stream to a computer?
>
> On Sun, Mar 3, 2013 at 11:20 AM, Mark Cannell <[log in to unmask]
> <mailto:[log in to unmask]>>wrote:
>
> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> *****
>
> 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]<mailto:
> [log in to unmask]>> wrote:
>
> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> *****
>
> 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
>
> [log in to unmask]<mailto:[log in to unmask]>
>
>
> David Knecht, Ph.D.
> Professor and Head of Microscopy Facility
> Department of Molecular and Cell Biology
> U-3125
> 91 N. Eagleville Rd.
> University of Connecticut
> Storrs, CT 06269
> 860-486-2200
> 860-486-4331 (fax)
>