OLYMPUS M.ZUIKO DIGITAL ED 40-150mm f/2.8 PRO

US 2015/0168697 A1 EXAMPLE 4 — OLYMPUS / OGATA

16 ELEMENTS / 10 GROUPS
f = 40.81–147.00 mm (3.60×)
F/2.88 (CONSTANT)
2ω = 30.86°–8.30°
4 ASPHERICAL SURFACES

Focus Mechanism

Dual VCM floating focus: G4 (VCM 1) and G5 (VCM 2) move independently.

Optical Elements (16)

ElementTypeGlass
L1Negative MeniscusS-TIH23 (OHARA)
L2Biconvex PositiveFCD1 (HOYA)
L3Positive MeniscusS-FPL53 (OHARA)
L4Positive MeniscusS-NPH1 (OHARA)
L5Biconcave NegativeS-FSL5 (OHARA)
L6Positive MeniscusS-NBH55 (OHARA)
L7Biconcave NegativeS-LAH55V (OHARA)
L8Biconvex Positive (2× Asph)FCD1 (HOYA)
L9Negative MeniscusS-TIH53 (OHARA)
L10Biconvex PositiveFCD515 (HOYA)
L11Biconvex PositiveFCD1 (HOYA)
L12Biconvex PositiveS-NPH2 (OHARA)
L13Biconcave Negative (1× Asph)S-LAM60 (OHARA)
L14Biconcave NegativeS-TIM2 (OHARA)
L15Biconvex Positive (1× Asph)L-LAH53 (OHARA)
L16Concave-Plano NegativeS-TIM22 (OHARA)

Analysis

Detailed analysis available in the interactive viewer above.