In the absence of significant aberrations , the smallest possible blur circle is the Airy disc , which is caused by diffraction from the optical system 's aperture .
The smallest possible blur circle is the Airy disc , which is caused by diffraction from the optical system 's aperture .
The smallest possible blur circle is the Airy disc , which is caused by diffraction from the optical system 's aperture .
استخدم صياغة أبسط: In the absence of significant aberrations , the smallest possible blur circle is the Airy disc , which is caused by diffraction from the optical system 's aperture . خرج: