1 Level
1317 Review
42 Karma
Review on π Enhanced Visibility and Precision with Eisco Double Convex Diameter Length by Bobby Plymell
Ideal for a magnifying glass
This is a great size and focal length/geometry for a magnifying glass. Mine arrived in perfect condition, well polished, no chips or anything. At 36 I used it for the first time in my life to burn paper with sunlight. I think some things are interesting for all ages.
Pros
- Free for educational purposes
Cons
- Not sure
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