PANASONIC LEICA DC VARIO-SUMMILUX 4.7-17.7mm f/1.4-2.3 (Panasonic Lumix DMC-LX7; Leica D-Lux 6) — Optical Cross-Section & Ray Tracing

Home / Lenses / Panasonic / PANASONIC LEICA DC VARIO-SUMMILUX 4.7-17.7mm f/1.4-2.3 (Panasonic Lumix DMC-LX7; Leica D-Lux 6)PANASONIC LEICA DC VARIO-SUMMILUX 4.7-17.7mm f/1.4-2.3 (Panasonic Lumix DMC-LX7; Leica D-Lux 6)US 2015/0124127 A1↗, Embodiment 1 — Tsutomu Iwashita, Yoshiaki Kurioka, Takehiro Nishioka
11 ELEMENTS / 10 GROUPS
PATENT EFL 4.8862-17.1948 mm
DESIGN f/1.46326-2.37854
9 ASPHERICAL SURFACES / 5 ASPHERICAL ELEMENTS
L8 TRANSVERSE OIS
Focus MechanismNot modeled — G4/L10 moves object-side for close focus; no close-focus spacing is authored.
Optical Elements (11 physical)ElementTypeGlass
L1Biconvex PositiveS-LAH55 (coordinate-compatible spectral proxy; supplier unconfirmed)
L2Negative Meniscus (2× Asph)S-LAH53 (coordinate-compatible spectral proxy; supplier unconfirmed)
L3Biconcave NegativeFCD515 (coordinate-compatible spectral proxy; supplier unconfirmed)
L4Positive MeniscusE-FDS2 (coordinate-compatible spectral proxy; supplier unconfirmed)
L5Biconvex Positive (2× Asph)N-SK2 (coordinate-compatible spectral proxy; supplier unconfirmed)
L6Positive MeniscusJ-LASF016 (coordinate-compatible spectral proxy; supplier unconfirmed)
L7Negative MeniscusE-FD13 (coordinate-compatible spectral proxy; supplier unconfirmed)
L8Negative MeniscusH-ZF4A (coordinate-compatible spectral proxy; supplier unconfirmed)
L9Biconvex Positive (2× Asph)M-FCD500 (coordinate-compatible spectral proxy; supplier unconfirmed)
L10Positive Meniscus (2× Asph)684313 — Unmatched exact public catalog identity
L11Negative Meniscus (1× Asph)636239 — Unmatched exact public catalog identity

Element	Type	Glass
L1	Biconvex Positive	S-LAH55 (coordinate-compatible spectral proxy; supplier unconfirmed)
L2	Negative Meniscus (2× Asph)	S-LAH53 (coordinate-compatible spectral proxy; supplier unconfirmed)
L3	Biconcave Negative	FCD515 (coordinate-compatible spectral proxy; supplier unconfirmed)
L4	Positive Meniscus	E-FDS2 (coordinate-compatible spectral proxy; supplier unconfirmed)
L5	Biconvex Positive (2× Asph)	N-SK2 (coordinate-compatible spectral proxy; supplier unconfirmed)
L6	Positive Meniscus	J-LASF016 (coordinate-compatible spectral proxy; supplier unconfirmed)
L7	Negative Meniscus	E-FD13 (coordinate-compatible spectral proxy; supplier unconfirmed)
L8	Negative Meniscus	H-ZF4A (coordinate-compatible spectral proxy; supplier unconfirmed)
L9	Biconvex Positive (2× Asph)	M-FCD500 (coordinate-compatible spectral proxy; supplier unconfirmed)
L10	Positive Meniscus (2× Asph)	684313 — Unmatched exact public catalog identity
L11	Negative Meniscus (1× Asph)	636239 — Unmatched exact public catalog identity