rearCameraTelephotoAperture

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: rearCameraTelephotoAperture

Indicates the aperture value (light-opening size) of the telephoto lens in the device’s rear camera system.