Building a Smartphone Periscope: Tips and Tricks for Optimal Focal Depth

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To build a smartphone periscope, understanding the focal depth of the smartphone camera, approximately 4mm, is crucial to avoid vignette effects. The discussion emphasizes the need for proper lens specifications to achieve optimal performance. A suggested resource is a NASA educational tutorial on constructing a periscope, which can provide valuable insights. Participants are encouraged to conduct further Google searches for additional information and resources. This approach will help in successfully designing a functional periscope for smartphone use.
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Homework Statement


I would like to built a periscope with lenses for a Smartphone. I know that the Smartphone camera has approximatley 4mm of focal depth. I don't want a vignette effect.

Homework Equations


Unfortunatley I do not know how to set the specifications of the lenses. Can someone help me please ??


 
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DoHe said:
View attachment 88087

Homework Statement


I would like to built a periscope with lenses for a Smartphone. I know that the Smartphone camera has approximatley 4mm of focal depth. I don't want a vignette effect.

Homework Equations


Unfortunatley I do not know how to set the specifications of the lenses. Can someone help me please ??


Welcome to the PF.

I did a Google search on how to build a periscope with mirrors and lenses, and got lots of great hits. One of the first on the hit list is a NASA web page with an Educational tutorial on how to build a periscope:

https://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/Making_a_Periscope.html

Check that page out, and do the Google search to find other hits. Let us know what you find! :smile:
 

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