As a geomorphologist, I need to travel to remote areas around the world in both hemispheres. This compass handle well anywhere. Still it will precisely help me to characterize and quantify the angles of forms, faults and stratigraphy in the field.
Pros: Handle well anywhere in the globe
Cons: Case more heavy than M2 model
This review was written in the old system and had content requirements that are different than reviews written today.