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MarathonSeriesFA/FR 11
3.5.2FRModels
3.5.2.1StandardFocus
Figure8:StandardFocusSpotSizeChartsforFRmodels
Distance D to Object [mm]
D:S = 40:1 at focus point
Distance D to Object [mm]
D:S = 20:1 at focus point
Spot ∅
S [mm]
Spot ∅
S [mm]
Spot ∅
S [mm]
Distance D to Object [mm]
D:S = 65:1 at focus point
FR1A SF
FR1B SF
FR1C SF
Spot ∅
S [inch]
Spot ∅
S [inch]
Spot ∅
S [inch]
[inch]
[inch]
[inch]