Top 10k strings from Focus (1985)(16-48 Tape Magazine).tzx in <root> / bin / z80 / software / Sinclair Spectrum Collection TOSEC.exe / Sinclair ZX Spectrum - Utilities & Educational / Sinclair ZX Spectrum - Utilities & Educational - [TZX] (TOSEC-v2007-01-01) /

Back to the directory listing

   2 n(hyp,dis)):
   2 f(hyp,dis)):
   1 twy,te;"focus"
   1 twy,on;"of field":
   1 tw;fl;"mm":
   1 to 1000,2000,3000
   1 se;dis;" metres",:
   1 se;;" f/";ap,:
   1 pause=twy:
   1 on;"metres":
   1 on,tw;" Hyperf.dist.= ";
   1 on,tw;" ";fl;"mm lens:";
   1 of confusion
   1 nstructions or 
   1 i(hyp);" metres
   1 hyperfocal distance
   1 hyperf dist
   1 h(cof,fl,ap)
   1 h(cof,fl,a(n)):
   1 h(cof,fl,a(n))):
   1 focussing dist
   1 focal length reasonable?
   1 find farthest focus
   1 find & print hyperf dist for
   1 ext page, or 
   1 each apert
   1 dn+" metres to "+f$+" "
   1 df+" metres"
   1 choice=thy:
   1 array carries aperture values
   1 aperture, this program will give
   1 ame again, or 
   1 UDG        
   1 LET THE TAPE RUN
   1 John Luby, 1985
   1 JOHN LUBY    1985
   1 For any normal focal length  and
   1 Find nearest focus. Set infinity flag
   1 FOCUS     
   1 Establish COF
   1 DEPTH OF FOCUS
   1 COF=";cof;
   1 3333)=(x*y/z)/1e3
   1 , that is acceptable  onthe 
   1 ,   which describes the focussinglatitude   at  the  film  plane,rather than the subject plane.":
   1 )=(x*y)/(x-y)
   1 )=(x*y)/(x+y):
   1 '''"   LOW    sets it to f/1OOO.
   1 "74+80*n",
   1 "7";"       STOP THE TAPE
   1 "35",n/fi:
   1 "23";"COF=";cof,
   1 "21";"LENSES";
   1 "19",te;"point of";
   1 "19",on;"depth";
   1 "18";"PHOTOGRAPHIC";
   1 "18";"DEPTH of FIELD";
   1 "17",ze;d$:
   1 "16";"for";
   1 "16";"and";
   1 "157",thy:
   1 "14";"HYPERFOCAL";
   1 "14";"DISTANCES";
   1 "1","1.4","2","2.8","4","5.6","8","11","16","22":
   1 "1","1.25","1.5","2","2.5","3","4","5","6","7","8","10","12","15","20","30","50","100":
   1 "-150",ze:
   1  of the lens ?     (10 - 1000)
   1  What standard of sharpness?
   1  What is your focussing distance (in metres)? 
   1  What is your aperture? 
   1  What is the  focal length 
   1  TITLE PICTURE
   1  SPECIAL CASES ROUTINE
   1  SET UP UDGs
   1  Press your choice...
   1  PAUSE ROUTINE
   1  INSTRUCTIONS
   1  INITIALISE
   1  HYPERF DIST ROUTINE
   1  Do you wish to:
   1  DEPTH OF FIELD: 
   1  DEPTH OF FIELD ROUTINE
   1  DEFINED FUNCTIONS
   1  CHOICE ROUTINE
   1  Ap:f/";a(n);
   1  ";fl;"mm lens";
   1  ",,"   Focal length = ";fl;" mm",,,"Focussing dist. = ";dis;" metres",,,"       Aperture = f/";ap,,,"            COF = 1/";cof,
   1   suited  to  theneeds of the photographer."
   1   specific distance,  the 
   1   select  your own  standard of   sharpness,it is the COF whichis being established."
   1   points stretching from camera   to infinity, then as the dotson each  side  of the  point  offocus  become  increasingly  un-sharp, their images  on the filmenlarge into tiny blurred discs.The largest disc,measured on the
   1   on the acceptance of a 
   1   of f/1OOO  is adequate.   For   larger prints f/15OO is used,while extremely  large prints ofhigh quality may demand a COF off/2OOO.":
   1   is   the  latitudebetween the nearest and farthestpoints  on  either side  of thatdistance, in which an acceptablysharp image  is produced  in thefinal print."
   1   for your   chosen aperture, the depth offield will extend from half thatdistance to infinity (
   1   confusion  (COF)  is  usually   expressed  as  a fraction  ofthe  focal length  of  the lens.The maximum  acceptable  size ofCOF  is largely subjective,  anddependant on factors such as thefinal size of the print."
   1   confused with 
   1   as a point, gives thesize of the circle of confusion."
   1   any other key to continue...
   1   When a camera is focused on a
   1   When  you are asked  later to
   1   WITH  MODERN  AUTO-FOCUS  AND
   1   The diameter of the circle of
   1   SLR  CAMERAS, FOCUSSING PROB-   LEMS MIGHT  SEEM  A THING  OFTHE PAST. THERE REMAIN OCCASIONSHOWEVER, WHEN THE NEEDS OF HIGH-QUALITY PHOTOGRAPHY STILL DEMANDA DETAILED  FORE-KNOWLEDGE  OF ALENS' FOCUSSING PARAMETERS."
   1   Print hyperfocal distance
   1   Print depth of field tables.
   1   Press C to copy,
   1   ON       FROM      
   1   Medium (f/15OO)
   1   MENU & MAIN ROUTINE
   1   Low    (f/1OOO)
   1   If you focus your lens on the
   1   If the subject  is  a line of
   1   I don't know what you mean. 
   1   High   (f/2OOO)
   1   Go back to instructions.
   1   For normal  snapshots,  a COF
   1   Find depth of field for a
   1   Depth of field  should not be
   1   Depth of field  also  depends
   1    MEDIUM sets it to f/15OO.
   1    HIGH   sets it to f/2OOO."
   1     tables.
   1     specific situation.
   1      HYPERFOCAL DISTANCES",
   1      HYPERFOCAL DISTANCES
   1      COPYING SCREEN
   1       START THE TAPE
   1         DEPTHS of FIELD.
   1              and