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Text File  |  1994-07-20  |  2KB  |  16 lines

  1. "AST3CAL3 EQUATION VARIABLE","07-20-1994","20:55:12"
  2. "TRANSVERSE_MAGNIFICATION=M[T]+(1-SIGN(ABS(M[T])))*-S[I]/NZE(S[O]) IMAGE_DISTANCE=S[I]+(1-SIGN(ABS(S[I])))*-S[O]*M[T] OBJECT_DISTANCE=S[O]+(1-SIGN(ABS(S[O])))*-S[I]/NZE(M[T]) FOCAL_LENGTH=1/NZE(1/NZE(OBJECT_DISTANCE)+1/NZE(IMAGE_DISTANCE)) RADIUS_OF_CURVATURE=2*FOCAL_LENGTH"
  3. "THIN LENS IMAGERY, CHARACTERISTICS for REAL OBJECTS, GAUSSIAN. A summary of object/image properties for concave and convex lenses follows.           (enter 2 of 3 values and leave unknown as 0, program will calculate.)     Lens   OBJECT         <-------------------- IMAGE ------------------->                 Location       Type       Location         Orient.   rel. size                                                                                           CNCV   anywhere       virtual    |S[I]<|F|        erect     minfied                                                                                             CNVX   ∞>S[O]>2*F     real       F<S[I]<2*F       invert.   minified            CNVX   S[O]=2*F       real       S[I]=2*F         invert.   same size           CNVX   F<S[O]<2*F     real       ∞>S[I]>2*f       invert.   magnified           CNVX   S[O]=F                      ±∞                                           CNVX   S[O]<F         virtual    |S[I]|>S[O]      erect     magnified                                      F = focal length                                                 Transverse magnification: M[T] < 0 inverted |M[T]| < 1 minified     *** Answer(s) to problem ***                              (c) PCSCC, Inc., 1993 This problem is solved by approximation. Image height is not required. Set  M[T]=0, S[I]=0 and S[O]=100. Move cursor to S[I], type S and type (end esc) FOCAL_LENGTH (enter). For value type (end esc) 30 (enter). Use default for range, type  (enter). Trans_mag=-.43, image at 42.9. Curly is inverted and minified.                        ||A 10 cm tall statue of Curly Howard is sitting 100 cm from a   positive (converging) lens of 30 cm focal length. (a) Describe Curly's image.         Type comma key to see answer. Type (F2) to return to application file."
  4. 8
  5. -.4285714285714285,0,""
  6. 42.85714285714285,0,""
  7. 100,0,""
  8. 29.99999999999999,0,""
  9. 59.99999999999999,0,""
  10. 0,0,""
  11. 100,0,""
  12. 42.85714285714285,0,""
  13. 1
  14. 0
  15. 0
  16.