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Sony FE 50mm F1.4 GM vs Sony FE 50mm F2.5 G

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

Better figure, where one is clearly better

SonyFE 50mm F1.4 GMSonyFE 50mm F2.5 G
Overview
ReleasedMarch 2023April 2021
Optics
Lens typePrimePrime
Focal length50 mm50 mm
Maximum aperturef/1.4f/2.5
Minimum aperturef/16f/22
Optical construction14 elements in 11 groupsNine elements in nine groups
Special elementsTwo XA extreme-aspherical elements and one ED glass elementTwo aspherical elements and ED glass
CoatingsNano AR Coating II; fluorine coating on front element–
Diaphragm11 rounded bladesSeven 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 SEL14TC or SEL20TC
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.38 m (manual focus)0.31 m (manual focus)
Maximum magnification0.18× (manual focus)0.21× (manual focus)
Optical stabilisationNoNo
Autofocus detailXD linear motorsTwo linear motors; internal focusing. Maker does not designate these motors XD
Focus distance detailMinimum focus 0.41 m with autofocus or 0.38 m with manual focus; Linear Response MFMinimum focus 0.35 m in AF or 0.31 m in MF; Linear Response MF
Magnification detailMaximum magnification 0.16× with autofocus or 0.18× with manual focusMaximum magnification 0.18× in AF or 0.21× in MF
Stabilisation detailNo lens stabilisation; compatible bodies provide stabilisationNo lens stabilisation; compatible bodies provide stabilisation
Video featuresFocus-breathing reduction and breathing compensation with compatible cameras; compensation operates in movie mode and may slightly change field of view and image quality–
Design
Dust and moisture resistantYesYes
Filter diameter67 mm49 mm
Maximum diameter80.6 mm68 mm
Length96 mm45 mm
Weight516 g174 g
ControlsAperture ring with click on/off and iris lock, AF/MF switch and two customisable focus-hold buttonsAperture ring with click on/off switch, AF/MF switch and one customisable focus-hold button
Weather resistanceDust- and moisture-resistant design; not guaranteed completely dust- or moisture-proofDust- and moisture-resistant design; not guaranteed completely dust- or moisture-proof
Dimensions detail–Aluminium exterior and hood; internal focusing preserves lens length
Weight detailApproximately 516 g lens; separate hood and caps excludedApproximately 174 g lens; separate hood and caps excluded
Lens hoodALC-SH173 round bayonet hoodALC-SH166 cap-type hood
In the boxALC-SH173 hood, ALC-F67S front cap, ALC-R1EM rear cap and soft caseALC-SH166 hood, ALC-F49S front cap and ALC-R1EM rear cap; no case listed
Release detailSony UK announced on 21 February 2023 and specified March 2023 availability. Photography Blog gives April 2023; the maker's earlier month is retained. UK launch price omitted because the actual Sony UK press page lists only a euro priceSony Europe specified April 2021 availability, separately from the 23 March announcement. Photography Blog Mark Goldstein and Digital Camera World Rod Lawton independently reviewed this exact model. Sony specifies two linear motors and two aspherical elements, correcting Photography Blog’s XD and three-aspherical descriptions. Maker 0.35 m AF / 0.31 m MF corrects Photography Blog’s swapped macro-section distances. No unconfirmed fluorine coating is imported

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