Pollen – A first attempt at using FoldScope
Nov 26, 2014 • 11:26 AM UTC
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140x Magnification
Plants
CakeGrenade
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Pollen from an unidentified flower, as seen under FoldScope’s high-mag lens. Uh it also appears that I forgot to install the condenser in front of the LED unit.
It was very difficult to juggle cameraphone + FoldScope + flexing + toushscreen shutter release, so the above is a crop from the very edge of the field of view. I dusted some pollen onto the included adhesive coverslips, which actually work really well as long as you methodically squeeze out the air to avoid air bubbles. I haven’t gotten around to working out the magnification factor, but suffice to say I can’t get that close with my 80x stereo-microscope.
It may be better to clamp the camera in a vise so that my hands are free to translate and flex the FoldScope, using an intervalometer to take photos for me. For web use, one can also leave the camera on video mode and just go back and grab single frames where everything is in focus.
It was very difficult to juggle cameraphone + FoldScope + flexing + toushscreen shutter release, so the above is a crop from the very edge of the field of view. I dusted some pollen onto the included adhesive coverslips, which actually work really well as long as you methodically squeeze out the air to avoid air bubbles. I haven’t gotten around to working out the magnification factor, but suffice to say I can’t get that close with my 80x stereo-microscope.
It may be better to clamp the camera in a vise so that my hands are free to translate and flex the FoldScope, using an intervalometer to take photos for me. For web use, one can also leave the camera on video mode and just go back and grab single frames where everything is in focus.
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