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Sony FE 400mm F2.8 GM OSS vs Sony FE 600mm F4 GM OSS

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

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SonyFE 400mm F2.8 GM OSSSonyFE 600mm F4 GM OSS
Overview
ReleasedSeptember 2018July 2019
Optics
Lens typePrimePrime
Focal length400 mm600 mm
Maximum aperturef/2.8f/4
Minimum aperturef/22f/22
Optical constructionTwenty-three elements in seventeen groups, including one filterTwenty-four elements in eighteen groups, including one filter
Special elementsThree fluorite elementsThree fluorite elements and a large XA extreme aspherical element
CoatingsSony Nano AR coating and front fluorine coating; flocked internal barrelSony Nano AR coating and front fluorine coating; flocked internal barrel
DiaphragmEleven rounded bladesEleven rounded blades
Angle of view6°10′ full frame; 4°10′ APS-C4°10′ full frame; 2°40′ APS-C
Mount and compatibility
MountsSony ESony E
Image circleFull frameFull frame
Image circle detailFull-frame coverage; 600 mm equivalent field of view on APS-CFull-frame coverage; 900 mm equivalent field of view on APS-C
Teleconverter supportCompatible with Sony SEL14TC 1.4× and SEL20TC 2×; 560 mm F4 or 800 mm F5.6 respectivelyCompatible with Sony SEL14TC 1.4× and SEL20TC 2×; 840 mm F5.6 or 1200 mm F8 respectively
Focus and stabilisation
AutofocusYesYes
Minimum focus distance2.7 m4.5 m
Maximum magnification0.16×0.14×
Optical stabilisationYesYes
Autofocus detailTwo XD linear motors; original Alpha9 can track through F22 with current firmware, maximum20fps throughF11 and10fps atF13 or smaller under Sony specified settingsTwo XD linear motors; some AF functions limited on NEX, Alpha3000/3500/5000/5100 and original Alpha7/7R/7S per Sony support qualification
Focus distance detail2.7 m minimum focus distance; linear-response manual focus and full-time DMF including AF-C4.5 m minimum focus distance; linear-response manual focus and full-time DMF including AF-C
Magnification detail0.16× maximum magnification0.14× maximum magnification
Stabilisation detailOptical SteadyShot with normal, panning mode2 and dynamic-framing mode3; original Alpha9 mode3 requires current firmware. Compatible body combines for five-axis correction. No maker stop rating in read pagesOptical SteadyShot with normal, panning mode2 and dynamic-framing mode3; Alpha9/7RIII/7III mode3 requires compatible current firmware. Compatible body combines for five-axis correction. No maker stop rating in read pages
Video featuresQuiet low-vibration autofocus; function ring can provide power focus with adjustable speedQuiet low-vibration autofocus; function ring can provide power focus with adjustable speed
Design
Dust and moisture resistantYesYes
Filter diameter40.5 mm40.5 mm
Maximum diameter158.1 mm163.6 mm
Length359 mm449 mm
Weight2,895 g3,040 g
ControlsManual-focus ring, preset/function ring and focus-memory button, four customisable focus-hold buttons, AF/MF and full-time DMF switches, full/2.7–7m/7m–infinity focus limiter and stabilisation controlsManual-focus ring, preset/function ring and focus-memory button, four customisable focus-hold buttons, AF/MF and full-time DMF switches, full/4.5–15m/15m–infinity focus limiter and stabilisation controls
Filter detail40.5 mm drop-in filter; no front filter thread. Supplied normal filter forms part of optical design and must be installed unless replaced by supported filter; optional VF-DCPL1 polariser40.5 mm drop-in filter; no front filter thread. Supplied normal filter forms part of optical design and must be installed unless replaced by supported filter; optional VF-DCPL1 polariser
Weather resistanceDust and moisture resistant design with magnesium-alloy exterior, internal barrel and tripod mount; not guaranteed to prevent all ingressDust and moisture resistant design with magnesium-alloy exterior, internal barrel and tripod mount; not guaranteed to prevent all ingress
Dimensions detail158.1 mm maximum diameter × 359 mm length163.6 mm maximum diameter × 449 mm length
Weight detailApproximately 2895 g, including fixed non-detachable tripod mount; separate hood and caps excludedApproximately 3040 g, including fixed non-detachable tripod mount; separate hood and caps excluded
Tripod mountFixed rotating tripod mount, explicitly non-detachable; switchable90° click stops and ball-bearing rotationFixed rotating tripod mount, explicitly non-detachable; switchable90° click stops and ball-bearing rotation
Lens hoodALC-SH155 round slip-on carbon-fibre hood with flocked interior, suppliedALC-SH158 round slip-on carbon-fibre hood with flocked interior, supplied
In the boxALC-SH155 hood, front cover, ALC-R1EM rear cap, hard case, lens strap and case strap; normal drop-in filter initially installedALC-SH158 hood, front cover, ALC-R1EM rear cap, hard case, lens strap and case strap; normal drop-in filter initially installed
Release detailSony USA final announcement27June2018 specifies September shipping; Japan28June specifies shipments from earlySeptember, made to order. MainSeptember, exact first global sale day unconfirmed.Sony Japan announcement12June2019 specifies shipments from lateJuly, made to order with order-dependent later delivery; Sony USA11June specifies August regional shipping. MainJuly earliest maker-confirmed month, exact first sale day unconfirmed.

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