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Recent content by tuberino
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What's the difference between focal length & "focus distance"?
I am building a viewer along the lines of a View Master, and I've been having an issue with various lenses I've been purchasing online. The lenses are essentially for the purpose of being able to focus on images that are too close to the eyes to otherwise focus (as opposed to using them for...- tuberino
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- Replies: 2
- Forum: Optical systems engineering
