SONY FE 90 mm F2.8 Macro G OSS

WO 2016/136352 A1 Example 2 — Sony / Uehara, Kanetaka, Uno

15 ELEMENTS / 11 GROUPS
f ≈ 92.6 mm
F/2.8
2ω ≈ 26.3°
1 ASPHERICAL SURFACE

Focus Mechanism

Floating dual-group inner focus (Dual DDSSM). GR2 retreats toward image; GR4 advances toward object. 1:1 macro capable.

Optical Elements (15)

ElementTypeGlass
G1Biconvex PositiveS-LAL18 (OHARA)
G2Biconvex PositiveS-FPL51 (OHARA)
G3Biconcave NegativeS-TIH53 (OHARA)
G4Positive Meniscus (1× Asph)S-LAM61 (OHARA)
G5Negative MeniscusM-TAC60 (HOYA)
G6Biconcave NegativeS-LAL18 (OHARA)
G7Positive MeniscusS-NPH2 (OHARA)
G8Negative MeniscusHigh-index Nb dense flint (806333)
G9Biconvex PositiveS-FSL5 (OHARA)
G10Biconvex PositiveS-LAL18 (OHARA)
G11Biconvex PositiveFCD100 (HOYA)
G12Negative MeniscusS-TIM35 (OHARA)
G13Positive MeniscusS-NBH55 (OHARA)
G14Biconcave NegativeS-BAH27 (OHARA)
G15Negative MeniscusS-LAL14 (OHARA)

Analysis

Detailed analysis available in the interactive viewer above.