FUJIFILM FUJINON GF 30mm f/5.6 T/S

WO 2024/195273 A1 Example 4 — Fujifilm

16 elements / 11 groups
30.90 mm design EFL
F5.6 nominal / F5.76 design
109.2° patent full field
3 aspherical elements / 6 aspherical surfaces
±15 mm shift / ±8.5° tilt

Focus Mechanism

Inner focus: Group 2, including the aperture stop, translates objectward from infinity to 0.3 m; Groups 1 and 3 remain stationary and the DD[12]+DD[23] sum is conserved.

Optical Elements (16)

ElementTypeGlass
L11Neg. Meniscus (2× Asph)585587 — moldable aspherical glass (patent-listed; no exact public catalog match)
L12Negative MeniscusS-LAL14 (OHARA)
L13Negative Meniscus (ED)FCD1 / M-FCD1 (HOYA, ED fluorophosphate)
L14Biconvex PositiveS-NBH5 (OHARA)
L15Negative MeniscusS-TIH53 class (OHARA; patent νd = 23.84)
L16Biconcave Negative487/704 low-dispersion crown (S-FSL5 class; patent-listed)
L17Biconvex PositiveTAFD37 / TAFD37A (HOYA)
L21Negative Meniscus729/545 lanthanum crown class (S-LAL18/N-LAK34 class; patent-listed)
L22Biconvex Positive487/704 low-dispersion crown (S-FSL5 class; patent-listed)
L23Biconcave NegativeTAFD32 (HOYA)
L24Biconvex Positive (Super ED)FCD100 (HOYA, Super ED)
L25Neg. Meniscus (2× Asph)585587 — moldable aspherical glass (patent-listed; no exact public catalog match)
L26Biconvex Positive (ED)FCD1 / M-FCD1 (HOYA, ED fluorophosphate)
L31Weak Biconcave Negative (2× Asph)585587 — moldable aspherical glass (patent-listed; no exact public catalog match)
L32Biconcave NegativeN-LASF44 (Schott)
L33Biconvex PositiveS-TIL26 / E-FL6 / H-QF56 class (567/428)

Analysis

Detailed analysis available in the interactive viewer above.