SONY VARIO-TESSAR T* FE 16-35mm f/4 ZA OSS — Optical Cross-Section & Ray Tracing

Home / Lenses / Sony / SONY VARIO-TESSAR T* FE 16-35mm f/4 ZA OSSSONY VARIO-TESSAR T* FE 16-35mm f/4 ZA OSSJP 2015-166834 A↗ — Masaharu Hosoi
12 ELEMENTS / 10 GROUPS
PATENT f = 16.48 / 24.07 / 33.95 mm
DESIGN FNO = 4.07 / 4.08 / 4.09
PATENT 2ω = 108.08° / 83.10° / 63.60°
8 ASPHERICAL SURFACES
Focus MechanismCONSTRAINED_RECONSTRUCTION: the patent moves GR3 alone for focus. Close-focus D15/D17 pairs were solved at Sony's 0.28 m subject-to-image-plane MFD while conserving D15+D17; these close states are model-derived, not patent-published.
Optical Elements (12 physical; 13 modeled media)ElementTypeGlass
L11Negative Meniscus (2× Asph)M-TAF101 (HOYA; catalog ne 1.77173, vd 49.24, printed 49.2; supplier unconfirmed)
L12gNegative Meniscus SubstrateTAFD5F (HOYA; catalog ne 1.83945, vd 42.72, printed 42.7; supplier unconfirmed)
L12rBonded Aspheric Resin LayerUnmatched (aspheric resin; printed coordinates, no vendor row at either the d or the e line)
L13Negative MeniscusTAF3 (HOYA; catalog ne 1.80831, vd 46.50 as printed; supplier unconfirmed)
L14Biconvex PositiveTAFD55 (HOYA; catalog ne 2.00912, vd 29.13, printed 29.1; supplier unconfirmed)
L21Positive MeniscusBAC4 (HOYA; catalog ne 1.57125, vd 56.04, printed 1.57124 / 56.0; supplier unconfirmed)
L22Negative Meniscus (1× Asph)M-NBF1 (HOYA; catalog ne 1.74689, vd 49.33, printed 1.74688 / 49.3; supplier unconfirmed)
L23Positive MeniscusS-FPL51 (OHARA; catalog ne 1.49845, vd 81.546, printed 81.5; supplier unconfirmed)
L31Biconvex Positive (2× Asph)J-FK5 (HIKARI; catalog ne 1.489145, vd 70.31, printed 1.48914 / 70.3; supplier unconfirmed)
L41Negative MeniscusTAF3 (HOYA; catalog ne 1.80831, vd 46.50 as printed; supplier unconfirmed)
L42Positive MeniscusFCD1 (HOYA; catalog ne 1.49845, vd 81.61, printed 81.6; supplier unconfirmed)
L43Biconvex PositiveFCD1 (HOYA; catalog ne 1.49845, vd 81.61, printed 81.6; supplier unconfirmed)
L44Biconcave Negative (2× Asph)M-TAF401 (HOYA; catalog ne 1.77767 as printed, vd 47.17 printed as 47.1; supplier unconfirmed)

Element	Type	Glass
L11	Negative Meniscus (2× Asph)	M-TAF101 (HOYA; catalog ne 1.77173, vd 49.24, printed 49.2; supplier unconfirmed)
L12g	Negative Meniscus Substrate	TAFD5F (HOYA; catalog ne 1.83945, vd 42.72, printed 42.7; supplier unconfirmed)
L12r	Bonded Aspheric Resin Layer	Unmatched (aspheric resin; printed coordinates, no vendor row at either the d or the e line)
L13	Negative Meniscus	TAF3 (HOYA; catalog ne 1.80831, vd 46.50 as printed; supplier unconfirmed)
L14	Biconvex Positive	TAFD55 (HOYA; catalog ne 2.00912, vd 29.13, printed 29.1; supplier unconfirmed)
L21	Positive Meniscus	BAC4 (HOYA; catalog ne 1.57125, vd 56.04, printed 1.57124 / 56.0; supplier unconfirmed)
L22	Negative Meniscus (1× Asph)	M-NBF1 (HOYA; catalog ne 1.74689, vd 49.33, printed 1.74688 / 49.3; supplier unconfirmed)
L23	Positive Meniscus	S-FPL51 (OHARA; catalog ne 1.49845, vd 81.546, printed 81.5; supplier unconfirmed)
L31	Biconvex Positive (2× Asph)	J-FK5 (HIKARI; catalog ne 1.489145, vd 70.31, printed 1.48914 / 70.3; supplier unconfirmed)
L41	Negative Meniscus	TAF3 (HOYA; catalog ne 1.80831, vd 46.50 as printed; supplier unconfirmed)
L42	Positive Meniscus	FCD1 (HOYA; catalog ne 1.49845, vd 81.61, printed 81.6; supplier unconfirmed)
L43	Biconvex Positive	FCD1 (HOYA; catalog ne 1.49845, vd 81.61, printed 81.6; supplier unconfirmed)
L44	Biconcave Negative (2× Asph)	M-TAF401 (HOYA; catalog ne 1.77767 as printed, vd 47.17 printed as 47.1; supplier unconfirmed)