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

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SUMMARY

This discussion focuses on building a smartphone periscope, emphasizing the need for specific lens specifications to avoid vignette effects. The smartphone camera's focal depth is approximately 4mm, which is crucial for lens selection. A recommended resource is a NASA educational tutorial on constructing a periscope, which provides foundational guidance. Participants are encouraged to conduct further Google searches for additional resources and insights.

PREREQUISITES
  • Understanding of optical principles, specifically focal depth
  • Familiarity with lens specifications and their impact on image quality
  • Basic knowledge of periscope construction techniques
  • Experience with smartphone camera capabilities
NEXT STEPS
  • Research lens specifications for smartphone cameras to optimize focal depth
  • Explore optical design principles for periscopes
  • Investigate the effects of lens quality on image clarity and vignette
  • Review additional resources on DIY optical projects, including NASA's tutorial
USEFUL FOR

Hobbyists, optical engineers, and smartphone photography enthusiasts looking to enhance their understanding of periscope design and lens selection.

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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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