Technical Data
3.5 Optical Specifications
The sensor comes as a standard focus model or one of two close focus models, see following overview for available options. For one‐color temperature measurements make sure the target completely fills the measurement spot.
3.5.1 FA Models
3.5.1.1 Standard Focus
S [inch]
Spot ∅
S [mm]
Spot ∅
Distancse D to Object [mm]
D:S = 20:1 at focus point
S [inch]
Spot ∅
S [mm]
Spot ∅
[inch]
FA1A/FA2A SF
S [inch]
Spot ∅
S [mm]
Spot ∅
Distance D to Object [mm]
D:S = 100:1 at focus point
[inch]
FA2B SF
[inch]
FA1B/FA1C/FA1G SF
Distance D to Object [mm]
D:S = 40:1 at focus point
Figure 6: Standard Focus Spot Size Charts for FA models
Marathon Series FA/FR | 9 |
