High speed wide angle lens system

Claim 2

A high speed wide angle lens system consisting of components numbered I through IX consecutively from front to rear, grouped as a front member (Vg1) and a rear member (Hg1) with the first two components I and II collectively forming a negative group followed by a positive component III, components I, II, and III forming a Newtonian finder part (NS), followed with an air lens space by a main lens part (O) the first component of which (IV) is a positive meniscus with its front surface convex toward the front, followed by a negative component (V) and another negative component (VI) air spaced from each other and shaped to provide a strongly dispersing air lens space between them, followed by a plurality of positive components (VII, VIII, and IX( air spaced from each other to provide air lenses δ 1 and δ 2 of collecting power, the component III having a surface power (φ III ) which is more than the absolute numerical value of the refractive power (φ V ) of the negative component V, said component V having a paraxial surface power (φ V ) less than the surface power (φ VI ) of the negative component VI, characterized by the fact that the quotient of the sum of the surface powers of said last mentioned air lens δ 1 and δ 2 (φδ 1 + φδ 2 = Σφδ) divided by the refractive power (φ EO + ) of the air lens between the components III and IV is within the limits of 0.96189 and 1.44233, and further characterized by the fact that the paraxial surface power sum (φ VIII ) of said component VIII is within the limits of 0.29949 and 0.47886 times the paraxial surface power sum (φ VII ) of said component VII.

Claim 3

A lens system as defined in claim 1, wherein said component III is divided by splitting into two individual lens elements L 3a and L 3b .

Claim 4

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.0000 f/1.27 2ω.sub.0 = 60° s'.sub.∞ = + 1.02696 Thicknesses and Lens Radii spacings __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.74228 R'.sub.1 = + + 1.03947 d.sub.1 = 0.130003 s.sub.12 = 0.286084 ##STR80## IIL.sub.2 R.sub.2 = + 6.48164 R'.sub.2 = + 1.17691 d.sub.2 = 0.087002 s.sub.23 = 0.420510 ##STR81## ##STR82## R.sub.3.sbsb.a = + 1.80649 R'.sub.3.sbsb.a = - 7.56390 R.sub.3.sbs b.b = + 15.5044 R'.sub.3.sbsb.b = - 2.47289 d.sub.3.sbsb.a = 0.270430 s.sub.3.sbsb.a,b = 0.096156 d.sub.3.sbsb.b .sup.δ 0.172658 ##STR83## s.sub.34 = 0.002039 (β) IVL.sub.4 R.sub.4 = + 0.79945 R'.sub.4 = + 0.93950 d.sub.4 = 0.123465 s.sub.45 = 0.366701 ##STR84## VL.sub.5 R.sub.5 = + 41.9532 R'.sub.5 = + 1.04954 d.sub.5 = 0.066732 CS = s.sub.56 = 0.210505 ##STR85## VIL.sub.6 R.sub.6 = - 1.31336 R'.sub.6 = + 1.05785 d.sub.6 = 0.041809 s.sub.67 = 0 ##STR86## VIIL.sub.7 R.sub.7 = + 1.05785 R'.sub.7 = - 1.38749 d.sub.7 = 0.295507 s.sub.78 = 0.002000 ##STR87## .1) VIIIL.sub.8 R.sub.8 = + 12.9863 R'.sub.8 = - 2.31790 d.sub.8 = 0.132465 s.sub.89 = 0.002308 ##STR88## .2) IXL.sub.9 R.sub.9 = + 4.07109 R'.sub.9 = - 3.72269 d.sub.9 = 0.135926 ##STR89## __________________________________________________________________________ Aspherical surfaces: R.sub.5 with c.sub.1 = (2 · R.sub.5).sup.-1 c.sub.2 = -3.964812 · 10.sup.-1, c.sub.3 = c.sub.4 = c.sub.5 = 0

Claim 5

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.0000 f/1.26 2ω.sub.0 = 60° s'.sub.∞ = + 1.04042 Thicknesses and Lens Radii spacings __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.52595 R'.sub.1 = + 1.09628 d.sub.1 = 0.128446 s.sub.12 = 0.315556 ##STR90## IIL.sub.2 R.sub.2 = + 6.34487 R'.sub.2 = + 1.41026 d.sub.2 = 0.119628 s.sub.23 = 0.488096 ##STR91## ##STR92## R.sub.3.sbsb.a = + 1.98000 R'.sub.3.sbsb.a = - 7.46531 R.sub.3.sbs b.b = - 7.46531 R'.sub.3.sbsb.b = - 2.08006 d.sub.3.sbsb.a = 0.236000 s.sub.3.sbsb.a,b = 0.010000 d.sub.3.sbsb.b = 0.104413 ##STR93## s.sub.34 = 0.003068 (β) IVL.sub.4 R.sub.4 = + 0.88344 R'.sub.4 = + 1.02017 d.sub.4 = 0.195929 s.sub.45 = 0.337795 ##STR94## VL.sub.5 R.sub.5 = + 5.69393 R'.sub.5 = + 0.95622 d.sub.5 = 0.062498 CS = s.sub.56 = 0.233887 ##STR95## VIL.sub.6 R.sub.6 = - 0.90273 R'.sub.6 = + 2.14068 d.sub.6 = 0.047161 s.sub.67 = 0 ##STR96## VIIL.sub.7 R.sub.7 = + 2.14068 R'.sub.7 = - 1.11219 d.sub.7 = 0.253442 s.sub.78 = 0.002301 ##STR97## .1) VIIIL.sub.8 R.sub.8 = + 10.49963 R'.sub.8 = - 1.78824 d.sub.8 = 0.137648 s.sub.89 = 0.002300 ##STR98## .2) IXL.sub.9 R.sub.9 = + 3.34428 R'.sub.9 = - 3.80673 d.sub.9 = 0.134965 ##STR99## __________________________________________________________________________ Aspherical surfaces: R.sub.5 with c.sub.1 = (2 · R.sub.5).sup.-1 c.sub.2 = -3.841760 · 10.sup.-1, c.sub.3 = c.sub.4 = c.sub.5 = 0

Claim 6

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.0000 f/1.26 2ω.sub.0 = 62° s'.sub.∞ = + 1.03465 Thicknesses and Lens Radii spacings __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.35979 R'.sub.1 = + 1.02872 d.sub.1 = 0.076463 s.sub.12 = 0.307508 ##STR100## IIL.sub.2 R.sub.2 = + 4.81446 R'.sub.2 = + 1.55048 d.sub.2 = 0.112234 s.sub.23 = 0.509075 ##STR101## ##STR102## R.sub.3.sbsb.a = + 1.79124 R'.sub.3.sbsb.a = - 7.52983 R.sub.3.sbs b.b = + 10.2924 R'.sub.3.sbsb.b = - 3.28521 d.sub.3.sbsb.a = 0.257776 s.sub.3.sbsb.a,b = 0.077079 d.sub.3.sbsb.b = 0.171235 ##STR103## s.sub.34 = 0.004885 (β) IVL.sub.4 R.sub.4 = + 0.83559 R'.sub.4 = + 0.98843 d.sub.4 = 0.130965 s.sub.45 = 0.318777 ##STR104## VL.sub.5 R.sub.5 = + 5.71180 R'.sub.5 = + 0.85253 d.sub.5 = 0.059117 CS = s.sub.56 = 0.251891 ##STR105## VIL.sub.6 R.sub.6 = - 0.83756 R'.sub.6 = + 1.90424 d.sub.6 = 0.042578 s.sub.67 = 0 ##STR106## VIIL.sub.7 R.sub.7 = + 1.90424 R'.sub.7 = - 1.07201 d.sub.7 = 0.263199 s.sub.78 = 0.002231 ##STR107## .1) VIIIL.sub.8 R.sub.8 = + 8.41147 R'.sub.8 = - 1.53136 d.sub.8 = 0.146619 s.sub.89 = 0.002039 ##STR108## .2) IXL.sub.9 R.sub.9 = + 2.90643 R'.sub.9 = - 11.65312 d.sub.9 = 0.130196 ##STR109## __________________________________________________________________________ Aspherical surfaces: R.sub.5 with c.sub.1 = (2 · R.sub.5).sup.-1 c.sub.2 = -3.995362 · 10.sup.-1, c.sub.3 = c.sub.4 = c.sub.5 = 0

Claim 7

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.0000 f/1.25 2ω.sub.o = 60° s'.sub.∞ = + 1.04042 Thicknesses and Lens Radii spacings __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.52595 R'.sub.1 = + + 1.09628 d.sub.1 = 0.128446 s.sub.12 = 0.315556 ##STR110## IIL.sub.2 R.sub.2 = + 6.34487 R'.sub.2 = + 1.41026 d.sub.2 = 0.119628 s.sub.23 = 0.488096 ##STR111## IIIL.sub.3 R.sub.3 = + 1.98000 R'.sub.3 = - 2.08006 d.sub.3 = 0.340413 s.sub.34 = 0.003068 ##STR112## IVL.sub.4 R.sub.4 = + 0.88344 R'.sub.4 = + 1.02017 d.sub.4 = 0.195929 s.sub.45 = 0.337795 ##STR113## VL.sub.5 R.sub.5 = + 5.69393 R'.sub.5 = + 0.95622 d.sub.5 = 0.062498 CS = s.sub.56 = 0.233887 ##STR114## VIL.sub.6 R.sub.6 = - 0.90273 R'.sub.6 = + 2.14068 d.sub.6 = 0.047161 s.sub.67 = 0 ##STR115## VIIL.sub.7 R.sub.7 = + 2.14068 R'.sub.7 = - 1.11219 d.sub.7 = 0.253442 s.sub.78 = 0.002301 ##STR116## .1) VIIIL.sub.8 R.sub.8 = + 10.4996 R'.sub.8 = - 1.78824 d.sub.8 = 0.137648 s.sub.89 = 0.002300 ##STR117## .2) IXL.sub.9 R.sub.9 = + 3.34428 R'.sub.9 = - 3.80673 d.sub.9 = 0.134965 ##STR118## __________________________________________________________________________ Aspherical surfaces: R.sub.5 with c.sub.1 = (2 · R.sub.5).sup.-1 c.sub.2 = -2.1655465 · 10.sup.-5, c.sub.3 = c.sub.4 = c.sub. 5 = 0.

Claim 8

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.00000 f/1.24 2ω.sub.o = 60° s'.sub.∞ = + 1.02698 Thicknesses and Lens Radii spacings n.sub.d /ν.sub.d __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.28038 R'.sub.1 = + 1.03603 d.sub.1 = 0.075649 s.sub.12 = 0.309443 ##STR119## IIL.sub.2 R.sub.2 = + 5.64519 R'.sub.2 = + 1.33972 d.sub.2 = 0.101032 s.sub.23 = 0.445243 ##STR120## ##STR121## R.sub.3.sbsb.a = + 1.75286 R'.sub.3.sbsb.a = - 5.54731 R.sub.3.sbs b.b = + 15.1975 R'.sub.3.sbsb.b = - 2.90250 d.sub.3.sbsb.a = 0.272561 s.sub.3.sbsb.a,b = 0.070650 d.sub.3.sbsb.b = 0.170567 ##STR122## s.sub.34 = 0.002231 (β) IVL.sub.4 R.sub.4 = + 0.81191 R'.sub.4 = + 0.99154 d.sub.4 = 0.131338 s.sub.45 = 0.317020 ##STR123## VL.sub.5 R.sub.5 = + 8.48566 R'.sub.5 = + 0.90007 d.sub.5 = 0.061919 CS = s.sub.56 = 0.249562 ##STR124## VIL.sub.6 R.sub.6 = - 0.97119 R'.sub.6 = + 1.68540 d.sub.6 = 0.041959 s.sub.67 = 0 ##STR125## VIIL.sub.7 R.sub.7 = + 1.68540 R'.sub.7 = - 1.16566 d.sub.7 = 0.264753 s.sub.78 = 0.002000 ##STR126## .1) VIIIL.sub.8 R.sub.8 = - 52.9668 R'.sub.8 = - 1.47025 d.sub.8 = 0.138453 s.sub.89 = 0.002654 ##STR127## .2) IXL.sub.9 R.sub.9 = + 2.09194 R'.sub.9 = + 109.081 d.sub.9 = 0.131108 ##STR128## __________________________________________________________________________ Aspherical surfaces: R.sub.5 with c.sub.1 = (2 · R.sub.5).sup.-1 c.sub.2 = -3.7736161 · 10.sup.-1, c.sub.3 = c.sub.4 = c.sub.5 = 0.

Claim 9

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.00000 f/1.24 2ω.sub.o = 60° s'.sub.∞ = + 1.04162 Thicknesses and Lens Radii spacings n.sub.d /ν.sub.d __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.37259 R'.sub.1 = + 1.05220 d.sub.1 = 0.082227 s.sub.12 = 0.323144 ##STR129## IIL.sub.2 R.sub.2 = + 5.42735 R'.sub.2 = + 1.49703 d.sub.2 = 0.115655 s.sub.23 = 0.478375 ##STR130## ##STR131## R.sub.3.sbsb.a = + 1.96776 R'.sub.3.sbsb.a = - 9.79152 R.sub.3.sbs b.b = + 7.89031 R'.sub.3.sbsb.b = - 2.90218 d.sub.3.sbsb.a = 0.266661 s.sub.3.sbsb.a,b = 0.096059 d.sub.3.sbsb.b = 0.190582 ##STR132## s.sub.34 = 0.003074 (β) IVL.sub.4 R.sub.4 = + 0.86642 R'.sub.4 = + 1.00774 d.sub.4 = 0.161764 s.sub.45 = 0.330828 ##STR133## VL.sub.5 R.sub.5 = + 5.70604 R'.sub.5 = + 0.90465 d.sub.5 = 0.059557 CS = s.sub.56 = 0.249370 ##STR134## VIL.sub.6 R.sub.6 = - 0.82980 R'.sub.6 = + 2.54792 d.sub.6 = 0.041498 s.sub.67 = 0 ##STR135## VIIL.sub.7 R.sub.7 = + 2.54792 R'.sub.7 = - 1.03717 d.sub.7 = 0.255134 s.sub.78 = 0.003842 ##STR136## .1) VIIIL.sub.8 R.sub.8 = + 9.51371 R'.sub.8 = - 1.77821 d.sub.8 = 0.139478 s.sub.89 = 0.003074 ##STR137## .2) IXL.sub.9 R.sub.9 = + 3.05211 R'.sub.9 = - 4.40528 d.sub.9 = 0.139862 ##STR138## __________________________________________________________________________ Aspherical surfaces: R.sub.5 with c.sub.1 = (2 · R.sub.5).sup.-1 c.sub.2 = -3.4253170 · 10.sup.-1, c.sub.3 = c.sub.4 = c.sub.5 = 0.

Claim 10

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.00000 f/1.24 2ω.sub.o = 60° s'.sub.∞ = + 1.02697 Thicknesses and Lens Radii spacings n.sub.d /ν.sub.d __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.25420 R'.sub.1 = + 1.01132 d.sub.1 = 0.075309 s.sub.12 = 0.314043 ##STR139## IIL.sub.2 R.sub.2 = + 4.58177 R'.sub.2 = + 1.38713 d.sub.2 = 0.122848 s.sub.23 = 0.491084 ##STR140## ##STR141## R.sub.3.sbsb.a = + 1.79457 R'.sub.3.sbsb.a = - 6.95357 R.sub.3.sbs b.b = + 12.9780 R'.sub.3.sbsb.b = - 2.78172 d.sub.3.sbsb.a = 0.257427 s.sub.3.sbsb.a,b = 0.087963 d.sub.3.sbsb.b = 0.173580 ##STR142## s.sub.34 = 0.002769 (β) IVL.sub.4 R.sub.4 = + 0.81634 R'.sub.4 = + 0.94692 d.sub.4 = 0.139656 s.sub.45 = 0.317428 ##STR143## VL.sub.5 R.sub.5 = + 5.71174 R'.sub.5 = + 0.90726 d.sub.5 = 0.059347 CS = s.sub.56 = 0.264389 ##STR144## VIL.sub.6 R.sub.6 = - 0.89844 R'.sub.6 = + 1.92688 d.sub.6 = 0.042808 s.sub.67 = 0 ##STR145## VIIL.sub.7 R.sub.7 = + 1.92688 R'.sub.7 = - 1.08960 d.sub.7 = 0.265119 s.sub.78 = 0.003269 ##STR146## .1) VIIIL.sub.8 R.sub.8 = + 20.6329 R'.sub.8 = - 1.51790 d.sub.8 = 0.150656 s.sub.89 = 0.005000 ##STR147## .2) IXL.sub.9 R.sub.9 = + 2.13877 R'.sub.9 = - 20.7200 d.sub.9 = 0.136848 ##STR148## __________________________________________________________________________ Aspherical surfaces: R.sub. 5 with c.sub.1 = (2 · R.sub.5).sup.-1, c.sub.2 = -3.8265852 · 10.sup.-1, c.sub.3 = -5.9537649 · 10.sup.-2, c.sub.4 = c.sub.5 = 0.

Claim 11

A lens system as defined in claim 1, wherein the characteristics of the components of the system and their spatial relationship to each other are substantially in the proportions indicated by the data in the following table, all linear dimensions of radii, thicknesses, and spacings being expressed in proportion to the equivalent focal length of the entire system, which is considered as unity: __________________________________________________________________________ F = 1.00000 f/1.23 2ω.sub.o = 60° s'.sub.∞ = + 1.02697 Thicknesses and Lens Radii spacings n.sub.d /v.sub.d __________________________________________________________________________ IL.sub.1 R.sub.1 = + 2.52595 R'.sub.1 = + 1.09628 d.sub.1 = 0.128446 s.sub.12 = 0.315556 ##STR149## IIL.sub.2 R.sub.2 = + 6.34487 R'.sub.2 = + 1.41026 d.sub.2 = 0.119628 s.sub.23 = 0.488096 ##STR150## ##STR151## R.sub.3.sbsb.a = + 2.00645 R'.sub.3.sbsb.a = - 10.0560 R.sub.3.sbs b.b = + 9.35780 R'.sub.3.sbsb.b = - 2.81386 d.sub.3.sbsb.a = 0.230053 s.sub.3.sbsb.a,b = 0.084353 d.sub.3.sbsb.b = 0.173307 ##STR152## s.sub.34 = 0.003068 (β) IVL.sub.4 R.sub.4 = + 0.88344 R'.sub.4 = + 1.02017 d.sub.4 = 0.195929 s.sub.45 = 0.337795 ##STR153## VL.sub.5 R.sub.5 = + 5.69393 R'.sub.5 = + 0.95622 d.sub.5 = 0.062498 CS = s.sub.56 = 0.233887 ##STR154## VIL.sub.6 R.sub.6 = - 0.90273 R'.sub.6 = + 1.84666 d.sub.6 = 0.047161 s.sub.67 = 0 ##STR155## VIIL.sub.7 R.sub.7 = + 2.14068 R'.sub.7 = - 1.11219 d.sub.7 = 0.253442 s.sub.78 = 0.002301 ##STR156## .1) VIIIL.sub.8 R.sub.8 = + 10.4996 R'.sub.8 = - 1.78824 d.sub.8 = 0.137648 s.sub.89 = 0.002300 ##STR157## .2) IXL.sub.9 R.sub.9 = + 3.34428 R'.sub.9 = - 3.80673 d.sub.9 = 0.134965 ##STR158## __________________________________________________________________________ Aspherical surfaces: R.sub.5 with c.sub.1 = (2 · R.sub.5).sup.-1 c.sub.2 = -3.8418157 · 10.sup.-1, c.sub.3 = c.sub.4 = c.sub.5 = 0.