FUJIFILM FUJINON XF 50–140mm F2.8 R LM OIS WR — Interactive Lens Diagram

Home / Lenses / Fujifilm / FUJIFILM FUJINON XF 50–140mm F2.8 R LM OIS WRFUJIFILM FUJINON XF 50–140mm F2.8 R LM OIS WRUS 2017/0090163 A1 — Master Lens of Example 1 (T. Ori / Fujifilm)
23 ELEMENTS / 16 GROUPS
f = 50–140 mm (design 51.52–135.96 mm)
F/2.8 CONSTANT
2ω = 30.6°–11.6° (APS-C)
5 ED + 1 SUPER ED
0 ASPHERICAL SURFACES
Focus MechanismInner focus driven by Fujifilm's Triple Linear Motor (three linear motors at 120° around a single focus element). Specific focus element not identifiable from the patent prescription.
Optical Elements (23)ElementTypeGlass
L11Negative MeniscusS-LAM66 / N-LASF45 (801 350)
L12Biconvex Positive (ED)S-FPL51 / N-PK52A / FCD1 (497 815, ED)
L13Plano-Convex Positive (Super ED)S-FPL53 (439 949, Super ED / fluorite-class)
L14Positive Meniscus (ED)S-FPL51 (497 815, ED)
L21Biconvex PositiveS-NBH8 / N-KZFS8 (720 347)
L22Biconcave NegativeBarium-flint class (622 532 — no current-catalog match; specialty or internal Fujifilm melt)
L23Biconcave Negative (ED)S-FPL51 (497 815, ED)
L24Biconvex Positive (heavy flint)S-TIH53 / N-SF57 (847 238/239)
L25Negative Meniscus (high-index)HOYA TAFD35 class (911 352)
L31Positive MeniscusS-LAM66 / N-LASF45 (801 350)
L32Biconvex Positive (anomalous-P_gF crown)S-PHM52 / N-PSK53A (618 634)
L33Plano-Concave Negative (SF6 flint)S-TIH6 / SF6 (805 254)
L41Biconvex Positive (ED)S-FPL51 (497 815, ED)
L42Positive Meniscus (short-flint, anomalous P_gF)S-NBH5 / N-KZFS5 (654 397)
L43Biconcave Negative (very dense flint)S-LAH95 / N-LASF46A (904 313)
L44Biconvex Positive (ED)S-FPL51 (497 815, ED)
L45Biconvex Positive (SF6)S-TIH6 / SF6 (805 254)
L46Biconcave Negative (barium crown)S-BAL35 / N-SK5 (589 611)
L47Biconcave NegativeS-LAM66 / N-LASF45 (801 350)
L48Biconvex Positive (heavy flint, anomalous P_gF)S-NBH55 (800 298)
L49Biconvex Positive (fluor-crown)S-FSL5 / N-FK5 (487 702)
L410Negative Meniscus (SF6)S-TIH6 / SF6 (805 254)
L411Negative Meniscus (high-index)HOYA TAFD35 class (911 352)
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L11	Negative Meniscus	S-LAM66 / N-LASF45 (801 350)
L12	Biconvex Positive (ED)	S-FPL51 / N-PK52A / FCD1 (497 815, ED)
L13	Plano-Convex Positive (Super ED)	S-FPL53 (439 949, Super ED / fluorite-class)
L14	Positive Meniscus (ED)	S-FPL51 (497 815, ED)
L21	Biconvex Positive	S-NBH8 / N-KZFS8 (720 347)
L22	Biconcave Negative	Barium-flint class (622 532 — no current-catalog match; specialty or internal Fujifilm melt)
L23	Biconcave Negative (ED)	S-FPL51 (497 815, ED)
L24	Biconvex Positive (heavy flint)	S-TIH53 / N-SF57 (847 238/239)
L25	Negative Meniscus (high-index)	HOYA TAFD35 class (911 352)
L31	Positive Meniscus	S-LAM66 / N-LASF45 (801 350)
L32	Biconvex Positive (anomalous-P_gF crown)	S-PHM52 / N-PSK53A (618 634)
L33	Plano-Concave Negative (SF6 flint)	S-TIH6 / SF6 (805 254)
L41	Biconvex Positive (ED)	S-FPL51 (497 815, ED)
L42	Positive Meniscus (short-flint, anomalous P_gF)	S-NBH5 / N-KZFS5 (654 397)
L43	Biconcave Negative (very dense flint)	S-LAH95 / N-LASF46A (904 313)
L44	Biconvex Positive (ED)	S-FPL51 (497 815, ED)
L45	Biconvex Positive (SF6)	S-TIH6 / SF6 (805 254)
L46	Biconcave Negative (barium crown)	S-BAL35 / N-SK5 (589 611)
L47	Biconcave Negative	S-LAM66 / N-LASF45 (801 350)
L48	Biconvex Positive (heavy flint, anomalous P_gF)	S-NBH55 (800 298)
L49	Biconvex Positive (fluor-crown)	S-FSL5 / N-FK5 (487 702)
L410	Negative Meniscus (SF6)	S-TIH6 / SF6 (805 254)
L411	Negative Meniscus (high-index)	HOYA TAFD35 class (911 352)