The software might be nice, but the Canon has higher resolution, lower noise, higher video speeds, and a larger sensor.
That won't matter if all you need is 50 micron (or even 1 micron) resolution. But I've been getting close to 0.2 micron resolution using a Canon T3i (a fairly old camera) and a homemade microscope (I also use an excellent phase-contrast research microscope and get similar resolution but with much less aberration).
When controlled by my computer, I find the Canon to be quite suited to microphotography. You look at the computer monitor, and click on the shutter icon to take the picture. It's pretty friendly.
On Sat, Jan 31, 2015 at 5:42 AM, John Griessen <john@industromatic.com> wrote:
I was telling Nathan how flex circuits like are used in LCD screens for desktops of a few years ago
are a commodity process of making layers with 50 micron width and space between and might be
repurposed to fabbing microfluidics inexpensively. I took a flatbed scanner photo of the flex circuit
that could not get down to its resolution, and emailed that, and
offered to send him a piece to look at under a microscope,
since I did not have any good digital camera for microscope photos.
I was saying how I'd take the lens off of a Canon powershot for that, but it still has a crummy user interface
for microphotography, which triggered him telling me about this:
https://www.kickstarter.com/projects/botthoughts/openmv-cam-embedded-machine-vision
It's got a perfect user interface for microphotography -- python programmed machine vision
programs that can recognize features in a scene. Just add a little problem-specific
development and you have a cell counter program. Well, add that not-yet-existing, accurate and inexpensive
plastic molded microgrid to drop on your samples then top with a cover slip, *then*
hit the go button of the counting program...
John
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