Novel optical path deflection camera lens
A camera lens and optical path technology, applied in optics, optical components, instruments, etc., can solve the problems of large on-axis aperture declination, poor spherical aberration correction, difficult camera system, etc. The effect of shortening the optical length
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[0062] Table 1 is a kind of embodiment data (by focal length f '=1 normalization) of optical lens device of the present invention
[0063] Initial conditions: object distance l1=-400, image square back intercept l'=2.0108, total optical length TOTR=12.574 object square aperture angle: u1=-0.000775, image square aperture angle: u'=0.298068, maximum F number=F1 .6, maximum viewing angle: 2ω=66.8° (object height 2y=531.9); maximum paraxial image height: 2y'=1.3198; design main spectral line: d, elimination spectral line range: F, C
[0064] In Table 1: n1, n2, n3...n8 are the refractive index of each lens glass material in turn
[0065] v1, v2, v3...v8 are the Abbe coefficients of each lens glass material in turn
[0066] R1, R2, R3...R19 are the curvature radii of each surface of the lens in turn
[0067] d1, d2, d3...d19 are the thickness of each lens or the air space between lenses in turn
[0068] l' is the image square back intercept of the optical system
[0069] Table ...
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