SONY FE 70-200mm f/2.8 GM OSS II

JP 2023-039817 A — Naoki Miyagawa, Shugo Takahashi

17 ELEMENTS / 14 GROUPS
f = 72.1–194.0 mm
F/2.88
2ω = 33.4°–12.7°
5 ASPHERICAL SURFACES (3 ELEMENTS)

Focus Mechanism

Floating inner focus — GR6 (neg.) moves image-ward, GR7 (pos.) moves object-ward. 4× XD Linear Motors.

Optical Elements (17 physical)

ElementTypeGlass
L11Negative MeniscusNBFD29 (HOYA; catalog ne 1.77660 as printed, vd 29.74 printed as 29.7; supplier unconfirmed)
L12Biconvex PositiveFCD100 (HOYA; catalog ne 1.43810 as printed, vd 95.10 printed as 95.1; supplier unconfirmed)
L13Positive MeniscusFCD100 (HOYA; catalog ne 1.43810 as printed, vd 95.10 printed as 95.1; supplier unconfirmed)
L21Negative MeniscusS-LAH66 (OHARA; catalog ne 1.77621 as printed, vd 49.60 printed as 49.6; supplier unconfirmed)
L31Biconcave NegativeFCD1 (HOYA; catalog ne 1.49845 as printed, vd 81.61 printed as 81.6; supplier unconfirmed)
L32Positive MeniscusS-NBH56 (OHARA; catalog ne 1.86290 as printed, vd 24.80 printed as 24.8; supplier unconfirmed)
L41Positive MeniscusFD110 (HOYA; catalog ne 1.79191 as printed, vd 25.72 printed as 25.7; supplier unconfirmed)
L51Biconvex Positive (2× Asph)M-FCD1 (HOYA; catalog ne 1.49856 as printed, vd 81.56 printed as 81.6; supplier unconfirmed)
L52Biconcave NegativeS-NBH56 (OHARA; catalog ne 1.86290 as printed, vd 24.80 printed as 24.8; supplier unconfirmed)
L53Negative MeniscusS-NBH56 (OHARA; catalog ne 1.86290 as printed, vd 24.80 printed as 24.8; supplier unconfirmed)
L54Biconvex Positive (1× Asph)L-BAL42 (OHARA; catalog ne 1.58547 as printed, vd 59.39 printed as 59.4; supplier unconfirmed)
L55Biconvex Positive (2× Asph)L-BAL42 (OHARA; catalog ne 1.58547 as printed, vd 59.39 printed as 59.4; supplier unconfirmed)
L61Plano-ConvexE-FDS1 (HOYA; catalog ne 1.93323 as printed, vd 20.88 printed as 20.9; supplier unconfirmed)
L62Biconcave NegativeS-NBH5 (OHARA; catalog ne 1.65803 as printed, vd 39.68 printed as 39.7; supplier unconfirmed)
L71Biconvex PositiveS-NBM51 (OHARA; catalog ne 1.61669 as printed, vd 44.27 printed as 44.3; supplier unconfirmed)
L81Biconcave NegativeFCD1 (HOYA; catalog ne 1.49845 as printed, vd 81.61 printed as 81.6; supplier unconfirmed)
L82Neg. Meniscus (convex to image)TAFD55 (HOYA; catalog ne 2.00912 as printed, vd 29.13 printed as 29.1; supplier unconfirmed)

Teleconverters

SONY 1.4x TELECONVERTER SEL14TC, SONY 2x TELECONVERTER SEL20TC