Portable - Grayfield Optical Inc - High Resolution Optical Microscopes

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The Portable Microscope allows you to take a 25-100x microscope with good depth of field with you. To give you an idea of the picture quality obtainable with this portable microscope, we have photographed a few common objects with the 4D and a Nikon Coolpix S4 digital camera.

The 1mm red squares, seen in some of these pictures, provide a scale to judge the size of the objects.

Click on the respective image to enlarge.

Minimum useable zoom, 1mm squares
Full frame minimum useable zoom
Maximum useable zoom, 2mm x 1.5mm
Part of 1 Euro Coin
Part of one cent coin (USA)
Part of Ten Dollar Note (USA)
Corn Flake
Toilet Paper
Part of Ten Dollar Note (USA)
Human Skin
Human Skin
Beard Hairs


© Copyright 1976-2023: Grayfield Optical, Inc.
© 1976-2017: Grayfield Optical, Inc.
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