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Accessory Lens Kit (Contains 20 units of 50x lenses + 20 units 340x lenses)

The Accessory Lens Kit (ALK) provides twenty 50x lenses and twenty 340x lenses (total of 40 lenses). This kit is designed to complement the Basic Classroom Kit 2.0.


  • twenty 50x lenses
  • twenty 340x lenses

Why choose the Accessory Lens Kit?

Enjoy all the magnifications the Foldscope 2.0 has to offer in bulk!

Foldscope 2.0 is compatible with 3 magnifications: 50x, 140x, 340x. In the Basic Classroom Kit 2.0, twenty Foldscope 2.0s are provided with a single 140x lens per microscope. The Accessory Lens Kit (ALK) provides twenty 50x lenses and 340x lenses so that every Foldscope in a BCK2.0 can each have the full set of 3 magnifications. Making it the perfect pairing for the Basic Classroom Kit 2.0 (BCK2.0), enabling you to save on cost and get the full exploration experience!

Do you run a makerspace or enjoy tinkering? You may also consider purchasing this kit to have a handful of high-quality lenses on hand for experimentation! Hack the Foldscope design, run multiple experiments in parallel - with more lenses, the possibilities are endless! 

Why choose the Basic Classroom Kit?

You get all the functionality of Foldscope 2.0 in the most economical kit. In under 10 minutes, build your own fully functional microscope. This kit is the perfect gift for any group – from a classroom to a scientific conference, or a birthday party to a bioblitz. With the Basic Classroom Kit 2.0, you can give the gift of discovery. Share 20 Foldscope 2.0s with your friends, or have a stash of your own for endless exploration!


  • Ultra-Simplified Assembly – Assemble in under 10 minutes with our simple and highly-visual 6-step instruction booklet.
  • Multi-Viewing Options – Observe your samples by Eye, Phone, or Projection
  • Advanced Focus and Panning – Easily explore samples with precision controls. Foldscope 2.0 has improved functionality throughout its design: from focusing, to slide insertion, to panning.

    Shipping Dimension & Weight:  4.37 x 3.54 x .59 Inches, .09lbs.

    Please be advised that for any orders shipping outside of the US, additional custom/import fee may be levied by the destination country's customs office at the time of custom clearance. Custom/import fee is not included in the shipping cost.
    It is the recipient’s responsibility to follow up with the courier/customs office to proceed with the custom clearance.