Skip to content
New summer mock series is live Attempt timed papers for SSC, banking, and engineering entrances with updated syllabi for this season. View exams

Practice question

Question

Loss of field at edges (vignetting) often occurs due to:

Options

Choose one · Correct answer highlighted

Explanation

Vignetting = dark edges. Raise condenser, center it, ensure objective is fully clicked, open field diaphragm.