SONY PLANAR T* 50mm f/1.4 ZA SSM — Optical Cross-Section & Ray Tracing

Home / Lenses / Sony / SONY PLANAR T* 50mm f/1.4 ZA SSMSONY PLANAR T* 50mm f/1.4 ZA SSMUS 2014/0071331 A1 EXAMPLE 4 — SONY / KATOU
8 ELEMENTS / 5 GROUPS
f = 51.5 mm
F/1.45
2ω ≈ 46.8°
2 ASPHERICAL SURFACES
Focus MechanismRear focus — G1 fixed, aperture stop + G2 move as a unit (SSM drive).
Optical Elements (8)ElementTypeGlass
L1Biconvex PositiveS-LAH55V (OHARA)
L2Biconcave NegativeS-FTM16 (OHARA)
L3Biconvex Positive (1× Asph)E-LASFH13 (HIKARI)
L4Biconcave NegativeE-FD7 class (HOYA/HIKARI equivalent, 613/370)
L5Biconcave NegativeS-TIF4 (OHARA)
L6Biconvex PositiveS-LAH58 (OHARA)
L7Negative MeniscusE-FD15 (HIKARI)
L8Biconvex Positive (1× Asph)E-LASKH2 (HIKARI)
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L1	Biconvex Positive	S-LAH55V (OHARA)
L2	Biconcave Negative	S-FTM16 (OHARA)
L3	Biconvex Positive (1× Asph)	E-LASFH13 (HIKARI)
L4	Biconcave Negative	E-FD7 class (HOYA/HIKARI equivalent, 613/370)
L5	Biconcave Negative	S-TIF4 (OHARA)
L6	Biconvex Positive	S-LAH58 (OHARA)
L7	Negative Meniscus	E-FD15 (HIKARI)
L8	Biconvex Positive (1× Asph)	E-LASKH2 (HIKARI)