Sony FE 400mm F4.5 GM OSS vs Sony FE 600mm F6.3 GM OSS

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FE 400mm F4.5 GM OSS compared with FE 600mm F6.3 GM OSS

	SonyFE 400mm F4.5 GM OSS	SonyFE 600mm F6.3 GM OSS
Overview
Released
Released	September 2026	September 2026
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	400 mm	600 mm
Maximum aperture
Maximum aperture	f/4.5	f/6.3
Minimum aperture
Minimum aperture	f/32	f/32
Optical construction
Optical construction	22 elements in 16 groups	24 elements in 17 groups
Special elements
Special elements	Three Super ED elements and one ED element	Three Super ED elements and one ED element
Coatings
Coatings	Nano AR Coating II; fluorine front-element coating	Nano AR Coating II; fluorine front-element coating
Aperture detail
Aperture detail	–	F6.3–F32; Digital Camera World’s table gives F22 minimum, so maker value is used
Diaphragm
Diaphragm	11 rounded blades	11 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 SEL14TC and SEL20TC; Sony confirms up to 1200 mm with 2×
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	2.5 m	2.5 m
Maximum magnification
Maximum magnification	0.18×	0.25×
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; up to 120 fps AF/AE tracking with Alpha 9 III under Sony test conditions, not a universal camera limit
Focus distance detail
Focus distance detail	–	Minimum focus 2.5 m; Digital Camera World’s table gives 0.25 m, so maker value is used
Stabilisation detail
Stabilisation detail	Built-in Optical SteadyShot; coordinated stabilisation and Active Mode require compatible cameras. Sony publishes no stop rating.	Built-in Optical SteadyShot; coordinated stabilisation and Active Mode require compatible cameras. Sony publishes no stop rating.
Video features
Video features	Breathing compensation with compatible cameras	Breathing compensation with compatible cameras
Design
Dust and moisture resistant
Dust and moisture resistant	Yes	Yes
Filter diameter
Filter diameter	95 mm	95 mm
Maximum diameter
Maximum diameter	108 mm	108 mm
Length
Length	242 mm	263 mm
Weight
Weight	994 g (better)	995 g
Controls
Controls	Four customisable focus-hold buttons, function ring, focus-range limiter, full-time DMF, AF/MF and stabilisation mode switches	Four customisable focus-hold buttons, function ring, focus-range limiter, full-time DMF, AF/MF and stabilisation mode switches
Filter detail
Filter detail	95 mm front filter; Amateur Photographer’s table gives 85 mm, but maker specification is used	–
Weather resistance
Weather resistance	Dust- and moisture-resistant design; not guaranteed completely dust- or moisture-proof	Dust- and moisture-resistant design; not guaranteed completely dust- or moisture-proof
Dimensions detail
Dimensions detail	–	108 mm maximum diameter × 263 mm length; Digital Camera World gives 265 mm, so maker dimensions are used
Weight detail
Weight detail	Approximately 994 g excluding tripod mount; separately supplied hood, caps, straps and case excluded	Approximately 995 g excluding tripod mount; separately supplied hood, caps, straps and case excluded
Tripod mount
Tripod mount	Supplied tripod mount; reviews note the foot has no integrated Arca-Swiss plate	Supplied tripod mount; Amateur Photographer notes no integrated Arca-Swiss plate
Lens hood
Lens hood	ALC-SH189 round bayonet hood	ALC-SH189 round bayonet hood
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-SH189 hood, ALC-F95S front cap, ALC-R1EM rear cap, soft case, lens strap, case strap and tripod mount
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 UK announced on 15 September 2026 with availability from the end of September 2026; exact first-sale day is not published. UK approximate launch price £3300.