5MP interpolated 220x microscope resolution

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jne
 
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5MP interpolated 220x microscope resolution

Post by jne »

Hi,

My microscope arrived today, but I can't get better than 800x600 stills (or video) out of it in *any* way.

I've tried MicroCapture on both OS X BANNED and Windows 8, and miXscope on BANNED. MicroCapture lets to change the resolution, but selecting anything higher than 800x600 just stops updating the video, and also stills capture stops working. miXscope doesn't give any options for the resolution, just “Device Current Resolution”, which is 640x480.

I also noticed that even the 800x600 resolution is clearly interpolated (still crop https://db.tt/UbAjsJKt, original https://db.tt/JXU0KDJ5), but even though it's annoying, I suppose it may be per spec. Makes the video low-res, though, which demeans the purpose of being able to do detailed visual inspection.

Per se, I'm not sure about the OS version support of either app. I suppose it may be possible that there just isn't any compatible software available for BANNED or Windows 8. (I don't have older versions of the OS's available right now, for testing the camera.)

Any info about the OS support, or ideas of what to try? Or is the scope just somehow bonkers?

-Janne

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adafruit_support_rick
 
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Re: 5MP interpolated 220x microscope resolution

Post by adafruit_support_rick »

I'm running BANNED, and I can get video up to 1600x1200 in MicroCapture.
You can change the resolution in miXscope by selecting"Device" from the dropdown list in the lower-right-hand corner of the main window.

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jne
 
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Re: 5MP interpolated 220x microscope resolution

Post by jne »

Hi Rick,

Thanks, it seems I just have to select the device menu a couple times before it appears. Some glitching.

So now I get the miXscope to show video for 1280x1024, BUT the resolution is exactly the same as with 640x480, which is actually 320x240.

Window ratio changes a bit between resolutions, so the miXscope would seem to work, but the scope isn't delivering. And based on my previous testing, I assume this behaviour is the same across all my computers and OS's, no use spending time going around again…

It seems I can't attach my files due to 1MB limit, so I had to use links. miXscope resolution is the same between 640x480 and 1280x1024: https://db.tt/yi1KTkg7 vs. https://db.tt/UBAEulrD. https://db.tt/julPUaPA proves the 320x240 resolution, containing three crops: an original 1280x1024 still, an original 640x480, and the 640x480 resized to 320x240 and back to 640x480. You can tell which one is the 1280x1024 as it's more blurry due to increased pixel density from interpolation, but the actual resolution is clearly identical. But you can't tell the original 640 from the resampled. (I accept guesses.)


As fun as an exercise this was, I unfortunately have to return this 320x240 resolution scope. If there are units that can deliver better than 320x240, it must be that the firmware on my unit has gone awry.

Instructions for the return?

-Janne

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adafruit_support_rick
 
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Re: 5MP interpolated 220x microscope resolution

Post by adafruit_support_rick »

Please email [email protected] with a link to this thread for a replacement or a refund

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