Question

according to your answer in question 4, why should you use this objective first? state at least 2 reasons. the scanning objective lens is used because it has the most field of view

Explanation:

The scanning objective lens is often used first in microscopy as it offers a wide - angle view of the specimen, allowing the user to locate areas of interest easily. It also helps in getting an overall impression of the specimen's structure before using higher - magnification lenses which have a narrower field of view.

Answer:

The scanning objective lens is used first because: 1. It has a wide field of view, enabling easy location of areas of interest. 2. It provides an overall view of the specimen's structure prior to using higher - magnification lenses with a narrower field of view.