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Spherometer
Build your own DIY Spherometer

 

This is for calculating a How To DIY Spherometer from Gordon Waite: You Tube Video

     
 
				

Spherometer Radius Ball Diameter:
Distances between the outside of each ball: A: B: C: Spherometer Radius: Mirror Radius/Focal Length Calculation Sagitta: Mirror Focal Radius: Focal Length:
Focal Ratio Calculation
(Do all Previous Calcs first) Mirror Diameter: Focal Ratio:
Sagitta Calculation
(Do Spherometer Calc first) Mirror Diameter: Focal Ratio Desired: Sagitta Needed:

 

 

 

 

 

 

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