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Sony FE 85mm F1.4 GM vs Sony FE 85mm F1.8

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

Better figure, where one is clearly better

SonyFE 85mm F1.4 GMSonyFE 85mm F1.8
Overview
ReleasedMarch 2016March 2017
Optics
Lens typePrimePrime
Focal length85 mm85 mm
Maximum aperturef/1.4f/1.8
Minimum aperturef/16f/22
Optical constructionEleven elements in eight groupsNine elements in eight groups
Special elementsOne XA extreme aspherical element and three ED glass elementsED glass
CoatingsSony Nano AR coating–
DiaphragmEleven rounded bladesNine rounded blades
Angle of view29° full frame; 19° APS-C29° full frame; 19° APS-C
Mount and compatibility
MountsSony ESony E
Image circleFull frameFull frame
Image circle detailFull-frame coverage; 127.5 mm equivalent field of view on APS-CFull-frame coverage; 127.5 mm equivalent field of view on APS-C
Teleconverter supportNot compatible with Sony E-mount teleconvertersNot compatible with SEL14TC or SEL20TC
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.8 m (manual focus)0.8 m
Maximum magnification0.12×0.13×
Optical stabilisationNoNo
Autofocus detailRing-drive SSM with two focus-position detection sensorsDouble linear motor system
Focus distance detail0.85 m minimum with autofocus; 0.8 m with manual focus; main minimum uses manual focusMinimum focus 0.8 m; smooth, responsive electronic manual-focus ring
Magnification detail0.12× maximum magnification; maker does not specify a separate focus mode for this figure–
Stabilisation detailNo optical stabilisation; compatible camera body stabilisation can be usedNo lens stabilisation; compatible bodies provide stabilisation
Video featuresAperture click switch permits adjustment without click sound; launch notice qualifies autofocus movie compatibility by camera and firmware–
Design
Dust and moisture resistantYesYes
Filter diameter77 mm67 mm
Maximum diameter89.5 mm78 mm
Length107.5 mm82 mm
Weight820 g371 g
ControlsManual-focus ring, AF/MF switch, focus-hold button and aperture ring with click on/off switchAF/MF switch and one customisable focus-hold button; no aperture ring
Filter detail–67 mm front filter thread
Weather resistanceDust and moisture resistant design with rubber mount seal; not guaranteed to prevent all ingressDust- and moisture-resistant design; not guaranteed completely dust- or moisture-proof
Dimensions detail89.5 mm maximum diameter × 107.5 mm length–
Weight detailApproximately 820 g lens; separate hood and caps excludedApproximately 371 g lens; separate hood and caps excluded
Lens hoodALC-SH142 round bayonet hood with lock button, suppliedALC-SH150 round bayonet hood
In the boxALC-SH142 hood, ALC-F77S front cap, ALC-R1EM rear cap and soft carrying caseALC-SH150 hood, ALC-F67S front cap and ALC-R1EM rear cap; no case listed
Release detailSony Canada announcement dated 3 February 2016 specifies March availability; Sony Japan later confirms 28 April 2016. Main date uses earliest maker-published month; exact first global sale day unconfirmed. Two independently authored full reviews read: Photography Blog Mark Goldstein and Amateur Photographer Richard Sibley, both using Alpha 7R II. Different stopped-down corner assessments and Blog lighting-dependent autofocus findings retained. AP page refreshed in 2023; its 135 mm APS-C equivalent and Blog linear-SSM description conflict with maker 127.5 mm and ring-drive SSM figures. No inferred predecessor linkSony Hong Kong specified late March 2017. Sony Japan brought the initially planned April launch forward to 24 March 2017. Main date retains month precision for regional release. Photography Blog Mark Goldstein tested an Alpha 7R II in 2017; Digital Camera World Matthew Richards published in 2022. Their wide-open edge sharpness judgments differ. Maker AF/MF switch specification supersedes an inconsistent sentence in Photography Blog saying there are no barrel switches

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