FOCAL-PLANE SHUTTER AND OPTICAL APPARATUS

摘要

A focal-plane shutter capable of preventing deterioration of the quality of a captured image is provided. A focal-plane shutter includes a base plate having an opening, a rear curtain that moves between an open position where the opening is open and a closed position where the opening is closed to allow the opening to be open and closed, and a first cushioning member that comes into contact with the rear curtain, and the rear curtain has a first protrusion that is located outside the opening, protrudes in a first direction from the open position toward the closed position, and comes into contact with the first cushioning member when the rear curtain moves from the open position to the closed position.

主权项

1. A focal-plane shutter comprising:
a substrate having an opening; a curtain that moves between an open position where the opening is open and a closed position where the opening is closed to allow the opening to be open and closed; and a cushioning member that comes into contact with the curtain, wherein the curtain has a protrusion that is located outside the opening, protrudes in a first direction from the open position toward the closed position, and comes into contact with the cushioning member when the curtain moves from the open position to the closed position.