What is a significant advantage of a transit compared to a theodolite?

A transit is a surveying instrument that typically offers the advantage of being lighter and more portable than a theodolite. This is particularly beneficial for fieldwork, where ease of transport can facilitate ongoing measurements and observations in various locations. The design of a transit often focuses on a balance between functionality and weight, making it a practical choice for surveyors who need to move around frequently or cover large areas.

The other choices highlight features of surveying instruments that do not specifically distinguish a transit as a superior option. While it may be true that some transits measure angles accurately, a theodolite is generally known for its superior angular measurement precision. Aerial data collection typically involves other specialized equipment, rather than a transit. Additionally, while some modern instruments might have automatic features, a standard transit primarily relies on manual operation. Thus, the unique affordance of portability distinctly favoring the transit illustrates its significant advantage in practical field applications.