Sony FE 400mm F4.5 GM OSS vs Sony FE 600mm F4 GM OSS

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FE 400mm F4.5 GM OSS compared with FE 600mm F4 GM OSS

	SonyFE 400mm F4.5 GM OSS	SonyFE 600mm F4 GM OSS
Overview
Released
Released	September 2026	July 2019
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	400 mm	600 mm
Maximum aperture
Maximum aperture	f/4.5	f/4
Minimum aperture
Minimum aperture	f/32	f/22
Optical construction
Optical construction	22 elements in 16 groups	Twenty-four elements in eighteen groups, including one filter
Special elements
Special elements	Three Super ED elements and one ED element	Three fluorite elements and a large XA extreme aspherical element
Coatings
Coatings	Nano AR Coating II; fluorine front-element coating	Sony Nano AR coating and front fluorine coating; flocked internal barrel
Diaphragm
Diaphragm	11 rounded blades	Eleven rounded blades
Angle of view
Angle of view	6°10′ full frame; 4°10′ APS-C	4°10′ full frame; 2°40′ APS-C
Mount and compatibility
Mounts
Mounts	Sony E	Sony E
Image circle
Image circle	Full frame	Full frame
Image circle detail
Image circle detail	Full-frame coverage; 600 mm equivalent field of view on APS-C	Full-frame coverage; 900 mm equivalent field of view on APS-C
Teleconverter support
Teleconverter support	Compatible with SEL14TC and SEL20TC; Sony confirms up to 800 mm with 2×. Amateur Photographer gives 840 mm in one paragraph; the physical 400 mm focal length and 2× factor give 800 mm.	Compatible with Sony SEL14TC 1.4× and SEL20TC 2×; 840 mm F5.6 or 1200 mm F8 respectively
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	2.5 m	4.5 m
Maximum magnification
Maximum magnification	0.18×	0.14×
Optical stabilisation
Optical stabilisation	Yes	Yes
Autofocus detail
Autofocus detail	Two XD linear motors; up to 120 fps AF/AE tracking with Alpha 9 III under Sony test conditions, not a universal camera limit	Two XD linear motors; some AF functions limited on NEX, Alpha3000/3500/5000/5100 and original Alpha7/7R/7S per Sony support qualification
Focus distance detail
Focus distance detail	–	4.5 m minimum focus distance; linear-response manual focus and full-time DMF including AF-C
Magnification detail
Magnification detail	–	0.14× maximum magnification
Stabilisation detail
Stabilisation detail	Built-in Optical SteadyShot; coordinated stabilisation and Active Mode require compatible cameras. Sony publishes no stop rating.	Optical 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 features
Video features	Breathing compensation with compatible cameras	Quiet low-vibration autofocus; function ring can provide power focus with adjustable speed
Design
Dust and moisture resistant
Dust and moisture resistant	Yes	Yes
Filter diameter
Filter diameter	95 mm	40.5 mm
Maximum diameter
Maximum diameter	108 mm	163.6 mm
Length
Length	242 mm	449 mm
Weight
Weight	994 g (better)	3,040 g
Controls
Controls	Four customisable focus-hold buttons, function ring, focus-range limiter, full-time DMF, AF/MF and stabilisation mode switches	Manual-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 detail
Filter detail	95 mm front filter; Amateur Photographer’s table gives 85 mm, but maker specification is used	40.5 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 resistance
Weather resistance	Dust- and moisture-resistant design; not guaranteed completely dust- or moisture-proof	Dust and moisture resistant design with magnesium-alloy exterior, internal barrel and tripod mount; not guaranteed to prevent all ingress
Dimensions detail
Dimensions detail	–	163.6 mm maximum diameter × 449 mm length
Weight detail
Weight detail	Approximately 994 g excluding tripod mount; separately supplied hood, caps, straps and case excluded	Approximately 3040 g, including fixed non-detachable tripod mount; separate hood and caps excluded
Tripod mount
Tripod mount	Supplied tripod mount; reviews note the foot has no integrated Arca-Swiss plate	Fixed rotating tripod mount, explicitly non-detachable; switchable90° click stops and ball-bearing rotation
Lens hood
Lens hood	ALC-SH189 round bayonet hood	ALC-SH158 round slip-on carbon-fibre hood with flocked interior, supplied
In the box
In the box	ALC-SH189 hood, ALC-F95S front cap, ALC-R1EM rear cap, soft case, lens strap, case strap and tripod mount	ALC-SH158 hood, front cover, ALC-R1EM rear cap, hard case, lens strap and case strap; normal drop-in filter initially installed
Release detail
Release detail	Sony UK announced on 15 September 2026 with availability from the end of September 2026; exact first-sale day is not published. Sony Japan gives 9 October 2026 for that market. UK approximate launch price is £2400.	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.