SONY FE 70-200mm f/4 G OSS — Optical Cross-Section & Ray Tracing

Home / Lenses / Sony / SONY FE 70-200mm f/4 G OSSSONY FE 70-200mm f/4 G OSSUS 2015/0226945 A1 Example 1 — Sony / Matsui & Kaifu
21 elements / 15 groups
70–200mm f/4 marketed
72.10–193.97mm patent EFL
3 aspherical surfaces
G42 internal focus; G43A OSS group
Focus MechanismInternal focusing by G42, a compact cemented positive/negative doublet. Close-focus values approximate Sony's published AF close-focus range across the zoom.
Optical Elements (21)ElementTypeGlass
L11Negative MeniscusN-SF66 / E-FDS1 class (923209; corrected from non-matching S-NPH2)
L12Biconvex PositiveS-FPL51 / FCD1 class (ED fluorophosphate; 497816)
L13Positive MeniscusFCD100 / S-FPL53 class (Super ED fluorophosphate; 437951)
L21Biconcave NegativeTAFD35 / H-ZLaF4L class (911353)
L22Biconcave NegativeN-FK5 / FC5 / S-FSL5 class (487704)
L23Biconvex PositiveN-SF66 / E-FDS1 class (923209)
L24Negative MeniscusN-LASF46A / S-LAH95 / TAFD25 class (904313)
L31Biconvex PositiveS-TIH13 / E-FD13 class (741278)
L32Negative MeniscusN-SF66 / E-FDS1 class (923209)
L33Biconvex PositiveS-BSM14 / N-SK14 / BACD14 class (603607)
L411Biconvex Positive (front asphere)S-LAL13 / L-LAL13 / M-LAC130 class (694532)
L412Positive MeniscusS-FPL51 / FCD1 class (ED fluorophosphate; 497816)
L413Negative MeniscusNBFD15 (Hoya) dense barium flint (806333)
L414Biconvex PositiveN-FK5 / FC5 / S-FSL5 class (487704)
L421Biconvex PositiveS-TIH53 / FDS90 class (847238)
L422Biconcave Negative (rear asphere)M-TAF101 / LAM55-class moldable glass (768492)
L431Biconvex Positive (front asphere; IS group)S-BSL7 / BK7-class borosilicate crown (516641)
L432Negative Meniscus (IS group)N-SF66 / E-FDS1 class (923209)
L433Negative MeniscusS-PHM52 / PCD4 / N-PSK53A class (618634)
L434Positive MeniscusS-TIH11 / FD110 / N-SF11 class (785257)
L435Negative MeniscusS-LAH58 / N-LASF31A / TAFD30 class (883408)
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L11	Negative Meniscus	N-SF66 / E-FDS1 class (923209; corrected from non-matching S-NPH2)
L12	Biconvex Positive	S-FPL51 / FCD1 class (ED fluorophosphate; 497816)
L13	Positive Meniscus	FCD100 / S-FPL53 class (Super ED fluorophosphate; 437951)
L21	Biconcave Negative	TAFD35 / H-ZLaF4L class (911353)
L22	Biconcave Negative	N-FK5 / FC5 / S-FSL5 class (487704)
L23	Biconvex Positive	N-SF66 / E-FDS1 class (923209)
L24	Negative Meniscus	N-LASF46A / S-LAH95 / TAFD25 class (904313)
L31	Biconvex Positive	S-TIH13 / E-FD13 class (741278)
L32	Negative Meniscus	N-SF66 / E-FDS1 class (923209)
L33	Biconvex Positive	S-BSM14 / N-SK14 / BACD14 class (603607)
L411	Biconvex Positive (front asphere)	S-LAL13 / L-LAL13 / M-LAC130 class (694532)
L412	Positive Meniscus	S-FPL51 / FCD1 class (ED fluorophosphate; 497816)
L413	Negative Meniscus	NBFD15 (Hoya) dense barium flint (806333)
L414	Biconvex Positive	N-FK5 / FC5 / S-FSL5 class (487704)
L421	Biconvex Positive	S-TIH53 / FDS90 class (847238)
L422	Biconcave Negative (rear asphere)	M-TAF101 / LAM55-class moldable glass (768492)
L431	Biconvex Positive (front asphere; IS group)	S-BSL7 / BK7-class borosilicate crown (516641)
L432	Negative Meniscus (IS group)	N-SF66 / E-FDS1 class (923209)
L433	Negative Meniscus	S-PHM52 / PCD4 / N-PSK53A class (618634)
L434	Positive Meniscus	S-TIH11 / FD110 / N-SF11 class (785257)
L435	Negative Meniscus	S-LAH58 / N-LASF31A / TAFD30 class (883408)