Novel optical path deflection camera lens
A camera lens and optical path technology, which is applied in optics, optical components, instruments, etc., can solve the problems of large aperture deflection angle on the axis, poor spherical aberration correction of the diaphragm, and difficult camera system, etc., and achieves fewer lenses, simple structure, The effect of shortening the optical length
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[0062] Table 1 is a kind of embodiment data of optical lens device of the present invention (by focal length f '=1 normalization)
[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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