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Sony FE 50mm F1.2 GM vs Sony Planar T* FE 50mm F1.4 ZA

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

SonyFE 50mm F1.2 GMSonyPlanar T* FE 50mm F1.4 ZA
Overview
ReleasedApril 2021July 2016
Optics
Lens typePrimePrime
Focal length50 mm50 mm
Maximum aperturef/1.2f/1.4
Minimum aperturef/16f/16
Optical construction14 elements in 10 groupsTwelve elements in nine groups; double-Gauss design combined with a rear internal-focusing group
Special elementsThree XA extreme-aspherical elementsTwo aspherical elements in total including one AA advanced aspherical element; one ED glass element
CoatingsNano AR Coating II; fluorine coating on front elementZeiss T* coating
Diaphragm11 rounded bladesEleven rounded blades
Angle of view47° full frame; 32° APS-C47° full frame; 32° APS-C
Mount and compatibility
MountsSony ESony E
Image circleFull frameFull frame
Image circle detailFull-frame coverage; 75 mm equivalent field of view on APS-CFull-frame coverage; 75 mm equivalent field of view on APS-C
Teleconverter supportNot compatible with SEL14TC or SEL20TCNot compatible with Sony E-mount teleconverters
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.4 m0.45 m
Maximum magnification0.17×0.15×
Optical stabilisationNoNo
Autofocus detailFour XD linear motors and a floating-focus mechanismRing-drive SSM (Super Sonic wave Motor)
Focus distance detailMinimum focus 0.4 m; Linear Response MF0.45 m minimum focus distance
Magnification detailMaximum magnification 0.17×0.15× maximum magnification
Stabilisation detailNo lens stabilisation; compatible bodies provide stabilisationNo optical stabilisation; compatible camera body stabilisation can be used
Video features–Aperture click switch permits continuous adjustment without click sound
Design
Dust and moisture resistantYesYes
Filter diameter72 mm72 mm
Maximum diameter87 mm83.5 mm
Length108 mm108 mm
Weight778 g778 g
ControlsAperture ring with click on/off, AF/MF switch and two customisable focus-hold buttonsManual-focus ring, AF/MF switch and aperture ring with click on/off switch
Weather resistanceDust- and moisture-resistant design; not guaranteed completely dust- or moisture-proofDust and moisture resistant design; not guaranteed to prevent all ingress
Dimensions detail–83.5 mm maximum diameter × 108 mm length
Weight detailApproximately 778 g lens; separate hood and caps excludedApproximately 778 g lens; separate hood and caps excluded
Lens hoodALC-SH163 round bayonet hoodALC-SH143 petal bayonet hood, supplied
In the boxALC-SH163 hood, ALC-F72S front cap, ALC-R1EM rear cap, soft case and case strapALC-SH143 hood, ALC-F72S front cap, ALC-R1EM rear cap and soft case
Release detailSony UK announced on 16 March 2021 and specified April 2021 availability. Photography Blog gives May 2021; the maker's earlier month is retained. UK launch price omitted because the actual Sony UK press page lists only a euro priceSony US announcement dated 11 July 2016 on PRNewswire gives shipping in July; Sony Japan specifies 29 July. Main release retains month precision because exact global first day is not established. Two independent full reviews read: Photography Blog Mark Goldstein and Amateur Photographer Andy Westlake, both using Alpha 7R II. Their wide-open sharpness and focus-speed disagreement retained; AP page refreshed in 2023 includes later GM context. Blog focus paragraph incorrectly says 71 mm filter; maker 72 mm used. No inferred predecessor link

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