PANASONIC LUMIX S PRO 70-200mm f/4 O.I.S.

JP 2020-086133 A — Ryosuke Sato, Takehisa Koyama

23 ELEMENTS / 17 GROUPS
DESIGN f = 72.50-193.95 mm
MODELED F/4.11-4.15
2ω = 33.12°-12.34°
1 ASPHERICAL SURFACE
PUBLISHED 1.000 m FOCUS STATE

Focus Mechanism

PUBLISHED: G6 (L13-L14) translates objectward between infinity and the patent's 1.000 m object-to-image state; travel is 2.6344 / 6.2169 / 16.7858 mm at wide / middle / tele. The marketed 0.92 m state is not reconstructed.

Optical Elements (23 physical)

ElementTypeGlass
L1Negative Meniscus, convex to object755275 — vendor unresolved
L2Biconvex Positive497816 — vendor unresolved
L3Positive Meniscus, convex to object437951 — vendor unresolved
L4Negative Meniscus, convex to object806333 — vendor unresolved
L5Biconcave Negative487704 — vendor unresolved
L6Positive Meniscus, convex to object847238 — vendor unresolved
L7Negative Meniscus, concave to object773496 — vendor unresolved
L8Biconvex Positive805396 — vendor unresolved
L9Negative Meniscus, convex to object001291 — vendor unresolved
L10Biconvex Positive593686 — vendor unresolved
L11Positive Meniscus, convex to object911353 — vendor unresolved
L12Biconcave Negative800298 — vendor unresolved
L13Biconvex Positive487704 — vendor unresolved
L14Negative Meniscus, concave to object699301 — vendor unresolved
L15Positive Meniscus, concave to object847238 — vendor unresolved
L16Biconcave Negative593670 — vendor unresolved
L17Biconcave Negative801350 — vendor unresolved
L18Biconvex Positive497816 — vendor unresolved
L19Biconvex Positive699301 — vendor unresolved
L20Negative Meniscus, concave to object847238 — vendor unresolved
L21Biconcave Negative729547 — vendor unresolved
L22Negative Meniscus, concave to object835427 — vendor unresolved
L23Positive Meniscus (1× Asph), convex to object589613 — vendor unresolved