Fixing Vertical Flipping in Prismatic Telescopes: A Troubleshooting Guide

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Discussion Overview

The discussion revolves around the issue of vertical flipping in prismatic telescopes, focusing on troubleshooting and understanding the underlying optical principles. Participants seek to explore the reasons for this phenomenon and potential remedies.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant describes their experience with a prismatic telescope that produces a vertically flipped image, expressing a desire for solutions and explanations.
  • Another participant suggests drawing a diagram of the visual path of the telescope to trace rays from the objective, implying that this could help clarify the issue.
  • A different participant expresses confusion over the diagramming advice, noting that their attempts did not clarify why the image is flipped, emphasizing the need for further assistance.
  • One participant points out the variety of prismatic telescopes and indicates that a diagram of the specific telescope is necessary for further help.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the cause of the vertical flipping or how to remedy it, with multiple viewpoints and requests for clarification remaining unresolved.

Contextual Notes

Limitations include the lack of specific diagrams and details about the type of prismatic telescope constructed, which may affect the understanding of the flipping issue.

[AFT]
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I have successfully constructed a prismatic telescope with a fairly sharp, erect image. However, I was disappointed to discover that the image was vertically flipped!

That is, in real life, there would be a car on the left and a man on the right.
When looking through the telescope, the image seen shows the car on the right and the man on the left... its flipped! =o

I would greatly appreciate if someone could tell me how to remedy this problem... if it is even possible to remedy it...

And why does this occur??

Many thanks!
 
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Draw a diagram of the visual path of the telescope, then trace a ray from the right side of the objective, and another from the left side of the objective.

- Warren
 
hmm... i read your advice but i don't really understand what you mean... i tried drawing a finder-ray diagram to illustrate the vertical flipping of the image but i did not manage to attain an asnwer as to why the image is vertically flipped. the finder-ray diagram only showed the side of the object... and its actually the face of the object that is flipped vertically...

please help!
 
There are many different kinds of "prismatic telescopes," and I can't help you without a diagram of the one you made.

- Warren
 

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