Sony 50mm F2.8 Macro vs Sony FE 90mm F2.8 Macro G OSS

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

Better figure, where one is clearly better

50mm F2.8 Macro compared with FE 90mm F2.8 Macro G OSS
Sony50mm F2.8 MacroSonyFE 90mm F2.8 Macro G OSS
Overview
ReleasedJuly 2006June 2015
Optics
Lens typePrimePrime
Focal length50 mm90 mm
Maximum aperturef/2.8f/2.8
Minimum aperturef/32f/22
Macro lensYesYes
Optical constructionSeven elements in six groups; double-floating focus design15 elements in 11 groups
Special elements–Super ED glass
Coatings–Nano AR Coating
DiaphragmSeven rounded bladesNine rounded blades
Angle of view47° full-frame; 32° APS-C27° full frame; 17° APS-C
Mount and compatibility
MountsSony ASony E
Image circleFull frameFull frame
Image circle detailFull-frame A-mount coverage; 75 mm equivalent field of view on APS-CFull-frame coverage; 135 mm equivalent field of view on APS-C
Teleconverter supportSony 1.4× and 2× teleconverters unsupportedNot compatible with SEL14TC or SEL20TC
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.2 m0.28 m
Maximum magnification1×1×
Optical stabilisation–Yes
Autofocus detailCamera-driven screw autofocus (OpticalLimits); auto-clutch keeps focus ring stationary during AFDirect Drive SSM drives two floating-focus groups; internal focusing keeps the barrel length constant
Focus distance detail0.2 m minimum focus; double-floating mechanism maintains close-focus correctionMinimum focus 0.28 m; sliding focus ring switches between autofocus and manual focus, with distance and magnification scales
Magnification detailLife-size 1.0× maximum magnificationMaximum magnification 1.0× at minimum focus
Stabilisation detailNo lens stabilisation specification published in read maker pages; body stabilisation compatibility is camera-dependentOptical SteadyShot; no maker stop rating published
Design
Dust and moisture resistant–Yes
Filter diameter55 mm62 mm
Maximum diameter71.5 mm79 mm
Length60 mm130.5 mm
Weight295 g (better)602 g
ControlsFocus-hold button and focus-range limiterFocus-hold button, focus-range limiter and optical stabilisation switch; some focus-hold functions require a compatible body
Weather resistance–Dust- and moisture-resistant design; not guaranteed completely dust- or moisture-proof
Weight detail–Approximately 602 g lens; separate hood and caps excluded
Filter detail55 mm front filter thread–
Lens hoodMaker lists no separate hood; front element is recessedALC-SH138 round bayonet hood
In the box–ALC-SH138 hood, front cap, rear cap and soft case
Release detailSony 6 June 2006 Alpha lens announcement, revised 12 July, specifies 21 July sale in Japan. Sony Store currently does not handle this historical lens.Sony Hong Kong specified 25 June 2015 availability, with pre-orders separately identified from 10–21 June; Sony Japan specified 26 June 2015. Earliest accessible exact maker sale date is retained. Photography Blog sharpness-test introduction mistakenly names the 28–70mm zoom; its displayed 90mm tests and exact-model review remain identified, and no numeric sharpness measurements are imported

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