OLYMPUS OM J. ZUIKO AUTO-W 24mm f/2

US 3,830,559 EXAMPLE 1 — OLYMPUS / MATSUBARA

10 ELEMENTS / 8 GROUPS
f ≈ 24.0 mm
F/2.0
2ω ≈ 84°
ALL-SPHERICAL

Focus Mechanism

Helicoid unit focus with floating correction (components IV+V translate together).

Optical Elements (10)

ElementTypeGlass
L1Positive MeniscusJ-LAF04 class (HIKARI), 757479
L2Negative MeniscusN-SK16 class (SCHOTT) / S-BSM16 (OHARA), 620603
L3Negative MeniscusN-SK16 class (SCHOTT) / S-BSM16 (OHARA), 620603
L4Negative MeniscusS-LAL52 class (OHARA) / E-LAK02 (HIKARI), 670573
L5Negative MeniscusS-LAH66 class (OHARA), 773496
L6Biconvex PositiveS-TIM8 class (OHARA), 596392
L7Positive MeniscusS-LAH66 class (OHARA), 773496
L8Biconcave NegativeS-TIM28 class (OHARA), 689311
L9Positive MeniscusS-LAL14 class (OHARA) / N-LAK14 (SCHOTT), 697556
L10Biconvex PositiveS-LAL14 class (OHARA) / N-LAK14 (SCHOTT), 697556

Analysis

Detailed analysis available in the interactive viewer above.