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Low mag success, high mag lens dirty? Help!

| Sun, Feb 08, 2015, 12:53 PM



Main

Human Hair 140X LED/condenser…successful.

I set up the Foldscope with the condenser lens and LED setup, and high mag lens, using a 3 stack of paper slides as supplied. All worked except I couldn’t get a clear focus (lens looked spotty – maybe my inability to focus in/out correctly/or just how a high mag lens looks? Seemed dirty.). Tried the low mag lens with LED/condenser setup and it worked well. Tried the camera on my less than smart phone, but the “shutter” speed was too slow to get a clear shot. Setting up on my school’s iPad worked, creating this photo. Shutter speed was everything as I worked with the Foldscope focus (which is not simple on the iPad – may have to upgrade my phone).

Human Hair



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Categories

Type of Sample
microorganisms
Foldscope Lens Magnification
140x

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