image surface

Optimal image surface

sagittal image surface

meridianal image surface

image curvature

surface curvature

curvature of image

curvature of the image

Optimal infrared image surface position

curvature of the image field

mean curvature of surface

surface of constant total curvature

Lp - curvature image

optical surface curvature

division of curvature on surface

surface of constant curvature

surface of positive curvature

Testing of large curvature spherical surface

surface of constant mean curvature