Image-transmitting optical system

Claim 2

An image-transmitting optical system comprising field lenses and relay lenses arranged alternately and glass blocks with parallel planar surfaces, each of said relay lenses being a positive cemented doublet lens consisting of a concave lens and convex lens cemented to each other, each of said glass blocks with parallel planar surfaces being arranged between each field lens and relay lens, equivalent optical length d/n of each of said glass blocks with parallel planar surfaces satisfying the following condition: f.sub.R < d/n<2f.sub.R wherein reference symbol d represents thickness of each glass block with parallel planar surfaces, reference symbol n represents refractive index of each glass block with parallel planar surfaces, and reference symbol f R represents focal length of each relay lens.

Claim 3

An image-transmitting optical system comprising an objective, field lenses and relay lenses arranged alternately, glass blocks with parallel planar surfaces, and an eyepiece, said objective comprising a concave lens and two cemented doublet lenses, each of said relay lenses being a positive cemented doublet lens consisting of a concave lens and convex lens cemented to each other, each of said glass blocks with parallel planar surfaces being arranged between each field lens and relay lens, said eyepiece comprising a concave lens and a positive cemented doublet lens, said image-transmitting optical system having numerical values as given below: ______________________________________ r.sub.1 = ∞ d.sub.1 = 0.5 n.sub.1 = 1.8061 ν.sub.1 = 40.92 r.sub.2 = 0.733 d.sub.2 = 0.5 r.sub.3 = ∞ d.sub.3 = 2.6 n.sub.2 = 1.7859 ν.sub.2 = 44.10 r.sub.4 = ∞ d.sub.4 = 0.83 n.sub.3 = 1.8061 ν.sub.3 = 40.92 r.sub.5 = -1.842 d.sub.5 = 0.2 r.sub.6 = -14.765 d.sub.6 = 1.45 n.sub.4 = 1.6700 ν.sub.4 = 57.33 r.sub.7 = 1.018 d.sub.7 = 0.36 n.sub.5 = 1.7847 ν.sub.5 = 25.71 r.sub.8 = -2.831 d.sub.8 = 1.16 r.sub.9 = 3.856 d.sub.9 = 6.0 n.sub.6 = 1.5163 ν.sub.6 = 64.15 r.sub.10 = -3.856 d.sub.10 = 1.3 r.sub.11 = ∞ d.sub.11 = 24.0 n.sub.7 = 1.5163 ν.sub.7 = 64.15 r.sub.12 = ∞ d.sub.12 = 1.0 n.sub.13 = 8.084 d.sub.13 = 1.0 n.sub.8 = 1.6989 ν.sub.8 = 30.12 r.sub.14 = 3.399 d.sub.14 = 3.0 n.sub.9 = 1.5890 ν.sub.9 = 48.60 r.sub.15 = -13.780 d.sub.15 = 1.0 r.sub.16 = ∞ d.sub.16 = 24.0 n.sub.10 = 1.5163 ν.sub.10 = 64.15 r.sub.17 = ∞ d.sub.17 = 1.05 r.sub.18 = 10.105 d.sub.18 = 6.0 n.sub.11 = 1.5163 ν.sub.11 = 64.15 r.sub.19 = -10.105 d.sub.19 = 1.4 r.sub.20 = ∞ d.sub.20 = 24.0 n.sub.12 = 1.5163 ν.sub.12 = 64.15 r.sub.21 = ∞ d.sub.21 = 1.39 r.sub.22 = 8.084 d.sub.22 = 1.0 n.sub.13 = 1.6989 ν.sub.13 = 30.12 r.sub.23 = 3.399 d.sub.23 = 3.0 n.sub.14 = 1.5890 ν.sub.14 = 48.60 r.sub.24 = -13.780 d.sub.24 = 1.0 r.sub.25 = ∞ d.sub.25 = 24.0 n.sub.15 = 1.5163 ν.sub.15 = 64.15 r.sub.26 = ∞ d.sub.26 = 1.05 r.sub.27 = 10.105 d.sub.27 = 6.0 n.sub.16 = 1.5163 ν.sub.16 = 64.15 r.sub.28 = -10.105 d.sub.28 = 1.4 r.sub. 9 = ∞ d.sub.29 = 24.0 n.sub.17 = 1.5163 ν.sub.17 = 64.15 r.sub.30 = ∞ d.sub.30 = 1.39 r.sub.31 = 8.084 d.sub.31 = 1.0 n.sub.18 = 1.6989 ν.sub.18 = 30.12 r.sub.32 = 3.399 d.sub.32 = 3.0 n.sub.19 = 1.5890 ν.sub.19 = 48.60 r.sub.33 = -13.780 d.sub.33 = 1.0 r.sub.34 = ∞ d.sub.34 = 24.0 n.sub.20 = 1.5163 ν.sub.20 = 64.15 r.sub.35 = ∞ D.sub.35 = 1.05 R.sub.36 = 10.105 d.sub.36 = 6.0 n.sub.21 = 1.5163 ν.sub.21 = 64.15 r.sub.37 = -10.105 d.sub.37 = 1.4 r.sub.38 = ∞ d.sub.38 = 24.0 n.sub.22 = 1.5163 ν.sub.22 = 64.15 r.sub.39 = ∞ d.sub.39 = 1.39 r.sub.40 = 8.084 d.sub.40 = 1.0 n.sub.23 = 1.6989 ν.sub.23 = 30.12 r.sub.41 = 3.399 d.sub.41 = 3.0 n.sub.24 = 1.5890 ν.sub.24 = 48.60 r.sub.42 = -13.780 d.sub.42 = 1.0 r.sub.43 = ∞ d.sub.43 = 24.0 n.sub.25 = 1.5163 ν.sub.25 = 64.15 r.sub.44 = ∞ d.sub.44 = 1.05 r.sub.45 = 10.105 d.sub.45 = 6.0 n.sub.26 = 1.5163 ν.sub.26 = 64.15 r.sub.46 = -10.105 d.sub.46 = 1.4 r.sub.47 = ∞ d.sub.47 = 24.0 n.sub.27 = 1.5163 ν.sub.27 = 64.15 r.sub.48 = ∞ d.sub.48 = 1.39 r.sub.49 = 8.084 d.sub.49 = 1.0 n.sub.28 = 1.6989 ν.sub.28 = 30.12 r.sub.50 = 3.399 d.sub.50 = 3.0 n.sub.29 = 1.5890 ν.sub.29 = 48.60 r.sub.51 = -13.780 d.sub.51 = 1.0 r.sub.52 = ∞ d.sub.52 = 16.18 n.sub.30 = 1.5163 ν.sub.30 = 64.15 r.sub.53 = ∞ d.sub.53 = 3.58 r.sub.54 = -67.722 d.sub.54 = 1.0 n.sub.31 = 1.51633 ν.sub.31 = 64.1 r.sub.55 = 12.798 d.sub.55 = 15.33 r.sub.56 = 8.701 d.sub.56 = 0.8 n.sub.32 = 1.78472 ν.sub.32 = 25.7 r.sub.57 = 4.339 d.sub.57 = 2.6 n.sub.33 = 1.58904 ν.sub.33 = 53.3 r.sub.58 = -12.162 f = 1.155 f.sub.e = 8.918 ______________________________________ wherein, reference symbols r 1 through r 58 respectively represent represent radii of curvature of respective lenses including glass blocks with parallel planar surfaces, reference symbols d 1 through d 57 respectively represent thicknesses of respective lenses and glass blocks and airspaces between respective lenses and glass blocks with parallel planar surfaces, reference symbols n 1 through n 33 respectively represent refractive indices of respective lenses and glass blocks with parallel planar surfaces, reference symbols ν 1 through ν 33 respectively represent Abbe's numbers of respective lenses and glass blocks with parallel planar surfaces, reference symbol f represents the focal length of the image transmitting optical system inclusive of the objective, and reference symbol f e represents the focal length of the eyepiece.

Claim 4

An image-transmitting optical system comprising an objective, field lenses and relay lenses arranged alternately, glass blocks with parallel planar surfaces, and an eyepiece, said objective comprising a concave lens and two cemented doublet lenses, each of said relay lenses being a positive cemented doublet lens consisting of a concave lens and convex lens cemented to each other, each of said glass blocks with parallel planar surfaces being arranged between each field lens and relay lens, said eyepiece comprising a concave lens and a positive cemented doublet lens, said image-transmitting optical system having numerical values as given below: ______________________________________ r.sub.1 = ∞ d.sub.1 = 0.5 n.sub.1 = 1.8061 ν.sub.1 = 40.92 r.sub.2 = 0.733 d.sub.2 = 0.5 r.sub.3 = ∞ d.sub.3 = 2.6 n.sub.2 = 1.7859 ν.sub.2 = 44.10 r.sub.4 = ∞ d.sub.4 = 0.83 n.sub.3 = 1.8061 ν.sub.3 = 40.92 r.sub.5 = -1.842 d.sub.5 = 0.2 r.sub.6 = -14.765 d.sub.6 = 1.45 n.sub.4 = 1.6700 ν.sub.4 = 57.33 r.sub.7 = 1.018 d.sub.7 = 0.36 n.sub.5 = 1.7847 ν.sub.5 = 25.71 r.sub.8 = -2.831 d.sub.8 = 1.16 r.sub.9 = 3.856 d.sub.9 = 6.0 n.sub.6 = 1.5163 ν.sub.6 = 64.15 r.sub.10 = -3.856 d.sub.10 = 1.3 r.sub.11 = ∞ d.sub.11 = 24.0 n.sub.7 = 1.5163 ν.sub.7 = 64.15 r.sub.12 = ∞ d.sub.12 = 1.0 n.sub.13 = 8.084 d.sub.13 = 1.0 n.sub.8 = 1.6989 ν.sub.8 = 30.12 r.sub.14 = 3.399 d.sub.14 = 3.0 n.sub.9 = 1.5890 ν.sub.9 = 48.60 r.sub.15 = -13.780 d.sub.15 = 1.0 r.sub.16 = ∞ d.sub.16 = 24.0 n.sub.10 = 1.5163 ν.sub.10 = 64.15 r.sub.17 = ∞ d.sub.17 = 1.05 r.sub.18 = 10.105 d.sub.18 = 6.0 n.sub.11 = 1.5163 ν.sub.11 = 64.15 r.sub.19 = -10.105 d.sub.19 = 1.4 r.sub.20 = ∞ d.sub.20 = 24.0 n.sub.12 = 1.5163 ν.sub.12 = 64.15 r.sub.21 = ∞ d.sub.21 = 1.39 r.sub.22 = 8.084 d.sub.22 = 1.0 n.sub.13 = 1.6989 ν.sub.13 = 30.12 r.sub.23 = 3.399 d.sub.23 = 3.0 n.sub.14 = 1.5890 ν.sub.14 = 48.60 r.sub.24 = -13.780 d.sub.24 = 1.0 r.sub.25 = ∞ d.sub.25 = 24.0 n.sub.15 = 1.5163 ν.sub.15 = 64.15 r.sub.26 = ∞ d.sub.26 = 1.05 r.sub.27 = 10.105 d.sub.27 = 6.0 n.sub.16 = 1.5163 ν.sub.16 = 64.15 r.sub.28 = -10.105 d.sub.28 = 1.4 r.sub. 9 = ∞ d.sub.29 = 24.0 n.sub.17 = 1.5163 ν.sub.17 = 64.15 r.sub.30 = ∞ d.sub.30 = 1.39 r.sub.31 = 8.084 d.sub.31 = 1.0 n.sub.18 = 1.6989 ν.sub.18 = 30.12 r.sub.32 = 3.399 d.sub.32 = 3.0 n.sub.19 = 1.5890 ν.sub.19 = 48.60 r.sub.33 = -13.780 d.sub.33 = 1.0 r.sub.34 = ∞ d.sub.34 = 24.0 n.sub.20 = 1.5163 ν.sub.20 = 64.15 r.sub.35 = ∞ D.sub.35 = 1.05 R.sub.36 = 10.105 d.sub.36 = 6.0 n.sub.21 = 1.5163 ν.sub.21 = 64.15 r.sub.37 = -10.105 d.sub.37 = 1.4 r.sub.38 = ∞ d.sub.38 = 24.0 n.sub.22 = 1.5163 ν.sub.22 = 64.15 r.sub.39 = ∞ d.sub.39 = 1.39 r.sub.40 = 8.084 d.sub.40 = 1.0 n.sub.23 = 1.6989 ν.sub.23 = 30.12 r.sub.41 = 3.399 d.sub.41 = 3.0 n.sub.24 = 1.5890 ν.sub.24 = 48.60 r.sub.42 = -13.780 d.sub.42 = 1.0 r.sub.43 = ∞ d.sub.43 = 24.0 n.sub.25 = 1.5163 ν.sub.25 = 64.15 r.sub.44 = ∞ d.sub.44 = 1.05 r.sub.45 = 10.105 d.sub.45 = 6.0 n.sub.26 = 1.5163 ν.sub.26 = 64.15 r.sub.46 = -10.105 d.sub.46 = 1.4 r.sub.47 = ∞ d.sub.47 = 24.0 n.sub.27 = 1.5163 ν.sub.27 = 64.15 r.sub.48 = ∞ d.sub.48 = 1.39 r.sub.49 = 8.084 d.sub.49 = 1.0 n.sub.28 = 1.6989 ν.sub.28 = 30.12 r.sub.50 = 3.399 d.sub.50 = 3.0 n.sub.29 = 1.5890 ν.sub.29 = 48.60 r.sub.51 = -13.780 d.sub.51 = 1.0 r.sub.52 = ∞ d.sub.52 = 16.18 n.sub.30 = 1.5163 ν.sub.30 = 64.15 r.sub.53 = ∞ d.sub.53 = 3.58 r.sub.54 = -67.722 d.sub.54 = 1.0 n.sub.31 = 1.51633 ν.sub.31 = 64.1 r.sub.55 = 12.798 d.sub.55 = 15.33 r.sub.56 = 8.701 d.sub.56 = 0.8 n.sub.32 = 1.78472 ν.sub.32 = 25.7 r.sub.57 = 4.339 d.sub.57 = 2.6 n.sub.33 = 1.58904 ν.sub.33 = 53.3 r.sub.58 = -12.162 f = 1.155 f.sub.e = 8.918 ______________________________________ wherein, reference symbols r 1 through r 58 respectively represent represent radii of curvature of respective lenses including glass blocks with parallel planar surfaces, reference symbols d 1 through d 57 respectively represent thicknesses of respective lenses and glass blocks and airspaces between respective lenses and glass blocks with parallel planar surfaces, reference symbols n 1 through n 33 respectively represent refractive indices of respective lenses and glass blocks with parallel planar surfaces, reference symbols ν 1 through ν 33 respectively represent Abbe's numbers of respective lenses and glass blocks with parallel planar surfaces, reference symbol f represents the focal length of the image transmitting optical system inclusive of the objective, and reference symbol f e represents the focal length of the eyepiece.