CH338976A
(en )
1959-06-15
Spherical, chromatic, comatic, astigmatic and wide-angle lens corrected for field flattening
NL160091B
(en )
DEFLECTION SYSTEM FOR A LIGHT BEAM AND OPTICAL SYSTEM, ADJUSTING THE LOCATION OF THE FOCUS.
CH293178A
(en )
1953-09-15
Microscope lens.
CH289102A
(en )
1953-02-28
Optical, spherical, chromatic, comatic, astigmatic and projection lens corrected for distortion.
CH392918A
(en )
1965-05-31
Spherical, chromatic, comatic, astigmatic and wide-angle lens corrected for field curvature
CH296055A
(en )
1954-01-31
Wide angle lens.
CH296718A
(en )
1954-02-28
Spherical, astigmatic, comatic and lens corrected for field curvature and distortion.
FR1029284A
(en )
1953-06-01
Spherical, chromatic, astigmatic and comatic corrected lens
CH306101A
(en )
1955-03-31
Spherical, comatic, astigmatic, with regard to field curvature and distortion, as well as chromatically corrected photographic lens.
CH307376A
(en )
1955-05-31
Wide angle lens.
NL176496B
(en )
OPTICAL SYSTEM.
FR1041577A
(en )
1953-10-26
Photographic lens with spherical, chromatic, astigmatic and automatic correction
FR1066698A
(en )
1954-06-09
Spherical, chromatic and astigmatic correction lens
CH430257A
(en )
1967-02-15
Fast, spherical, chromatic and four-lens photographic lens of the extended triplet type corrected for astigmatism, field curvature, coma and distortion
FR1032075A
(en )
1953-06-29
Optically, spherically, chromatically, comatically, astigmatically and distortion corrected projection system
CH311284A
(en )
1955-11-30
Bright wide-angle lens.
CA496583A
(en )
1953-10-06
Eye lens
AT219876B
(en )
1962-02-26
Spherical, chromatic, astigmatic and comatic corrected eyepiece
FR995157A
(en )
1951-11-28
Optical system giving an image, corrected against spherical and chromatic aberrations
FR976400A
(en )
1951-03-16
Optical aberration correction blade device
FR1037274A
(en )
1953-09-15
Photographic lens corrected spherically, astigmatically and in coma for one or more colors
FR635867A
(en )
1928-03-27
Spherical, comatic, chromatic and astigmatic corrected photographic lens
CA474319A
(en )
1951-06-12
Ophthalmic lenses
FR929255A
(en )
1947-12-22
Spherical, astigmatic and coma corrected photographic lens for one or more colors
CH294757A
(en )
1953-11-30
Lens.