SONY E 35mm f/1.8 OSS — Optical Cross-Section & Ray Tracing

Home / Lenses / Sony / SONY E 35mm f/1.8 OSSSONY E 35mm f/1.8 OSSJP 2014-89352 A Example 1 — Tamron / Sakai
8 elements / 6 groups
f = 34.914 mm
F1.861 design
2ω = 44.664°
3 aspherical surfaces
Focus MechanismSingle-element inner focus: G12 / L121 moves image-ward; G11 and G13 remain fixed.
Optical Elements (9)ElementTypeGlass
L111Biconcave NegativeFD140 / S-TIH14 class (762/266 heavy flint)
L112Biconvex PositiveTAFD5G / TAFD5F / S-LAH55VS class (835/427)
L113rComposite Aspheric Resin LayerUV-curable optical resin (patent nd=1.540, νd=41.200)
L113gBiconvex PositiveTAFD35L / TAFD35 class (HOYA 911/353)
L121Negative MeniscusFCD1 / S-FPL51 class (ED fluorocrown, 497/816)
L131Positive MeniscusTAFD35L / TAFD35 class (HOYA 911/353)
L132Biconvex PositiveTAFD35L / TAFD35 class (HOYA 911/353)
L133Biconcave NegativeFD140 / S-TIH14 class (762/266 heavy flint)
L134Positive Meniscus (2× Asph)M-TAFD305 / M-TAFD315 class (moldable 851/401)
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L111	Biconcave Negative	FD140 / S-TIH14 class (762/266 heavy flint)
L112	Biconvex Positive	TAFD5G / TAFD5F / S-LAH55VS class (835/427)
L113r	Composite Aspheric Resin Layer	UV-curable optical resin (patent nd=1.540, νd=41.200)
L113g	Biconvex Positive	TAFD35L / TAFD35 class (HOYA 911/353)
L121	Negative Meniscus	FCD1 / S-FPL51 class (ED fluorocrown, 497/816)
L131	Positive Meniscus	TAFD35L / TAFD35 class (HOYA 911/353)
L132	Biconvex Positive	TAFD35L / TAFD35 class (HOYA 911/353)
L133	Biconcave Negative	FD140 / S-TIH14 class (762/266 heavy flint)
L134	Positive Meniscus (2× Asph)	M-TAFD305 / M-TAFD315 class (moldable 851/401)