What are the sensing position characteristics of Slot-type Photomicro Sensors?

See the following diagrams.

EE-SX77

EE-SX47[]/SX67[]

EE-SPX74[]

EE-SPX740/742/743

EE-SPX741

EE-SPX-W

EE-SPX302-W2A
EE-SPX304-W2A
EE-SPX306-W2A

EE-SPX305-W2A

EE-SPX303

EE-SPX301