• exit pupil point

निर्गम:    egress door going out going forth clearance

निर्गम द् वा रक:    exit aperture eye ring

द् वा रक:    aperture

वा:    Waugh OR and fumarole vaporescent vaporimeter

रक:    ruck

बिंदु:    dot drop speckle blob DOT node point whit pixel