Sony FE 100–400mm F4.5 GM OSS vs Sony FE 400–800mm F6.3–8 G OSS

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FE 100–400mm F4.5 GM OSS compared with FE 400–800mm F6.3–8 G OSS

	SonyFE 100–400mm F4.5 GM OSS	SonyFE 400–800mm F6.3–8 G OSS
Overview
Released
Released	June 2026	March 2025
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	100–400 mm	400–800 mm
Maximum aperture
Maximum aperture	f/4.5	f/6.3–8
Minimum aperture
Minimum aperture	f/32	f/36–45
Optical construction
Optical construction	28 elements in 20 groups, including one filter	27 elements in 19 groups
Special elements
Special elements	One ED XA and one XA aspherical element, two Super ED and three ED elements	Six ED elements
Coatings
Coatings	Nano AR Coating II; fluorine coating on front element	Fluorine coating on front element
Diaphragm
Diaphragm	11 rounded blades	11 rounded blades
Angle of view
Angle of view	24°–6°10′ full frame; 16°–4°10′ APS-C	6°10′–3°10′ full frame; 4°10′–2° 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; 150–600 mm equivalent field of view on APS-C	Full-frame coverage; 600–1,200 mm equivalent field of view on APS-C
Teleconverter support
Teleconverter support	Compatible with Sony SEL14TC and SEL20TC	Compatible with SEL14TC and SEL20TC; 2× converter extends maximum physical focal length to 1,600 mm
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.64 m	1.7 m
Maximum magnification
Maximum magnification	0.25×	0.23×
Optical stabilisation
Optical stabilisation	Yes	Yes
Autofocus detail
Autofocus detail	Four XD linear motors and floating focus; full-time direct manual focus and Linear Response MF	Two linear motors; full-time DMF
Focus distance detail
Focus distance detail	Minimum focus 0.64 m at 100 mm or 1.5 m at 400 mm	Minimum focus 1.7 m at 400 mm and 3.5 m at 800 mm; PetaPixel rounds the long-end distance to 3 m, so the maker value is used
Magnification detail
Magnification detail	Sony specifies maximum magnification 0.25×; PetaPixel reports 1:3, which is not used for the main specification	–
Stabilisation detail
Stabilisation detail	Optical SteadyShot with standard, panning and irregular-motion modes; camera-body coordination and mode 3 depend on body compatibility and firmware	Optical SteadyShot; compatible stabilised bodies provide coordinated stabilisation; no maker stop rating published here
Video features
Video features	Design reduces focus breathing; breathing compensation on compatible bodies changes the field of view slightly	Optical design suppresses focus breathing
Design
Dust and moisture resistant
Dust and moisture resistant	Yes	Yes
Filter diameter
Filter diameter	95 mm	105 mm
Maximum diameter
Maximum diameter	119.8 mm	119.8 mm
Length
Length	328 mm	346 mm
Weight
Weight	1,840 g (better)	2,475 g
Controls
Controls	Four customisable focus-hold buttons, AF/MF and full-time DMF switches, focus limiter, OSS switches, zoom torque switch, tripod-ring click switch and function ring for preset focus, power focus or full-frame/APS-C switching	Three customisable focus-hold buttons, full-time DMF switch and focus-range limiter
Zoom design
Zoom design	Internal zoom; barrel length remains unchanged	Internal zoom maintains lens length and keeps the centre of gravity within a small range
Filter detail
Filter detail	95 mm front thread and 40.5 mm drop-in filter; Sony requires the supplied normal filter or optional polarising filter to remain installed when shooting	–
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
Weight detail
Weight detail	Approximately 1840 g lens; separate hood and caps excluded. Sony's specifications do not provide a tripod-mount-excluded weight	Approximately 2,475 g including the fixed tripod foot; separate hood, caps and strap excluded
Tripod mount
Tripod mount	Integrated tripod mount; both reviews note that its foot is not readily removable and lacks direct Arca-Swiss compatibility	Non-removable rotating tripod foot
Lens hood
Lens hood	ALC-SH187 round bayonet hood	ALC-SH181 round bayonet hood with lock button and filter-access opening
In the box
In the box	ALC-SH187 hood, ALC-F95S front cap, ALC-R1EM rear cap, soft case, lens strap, case strap and drop-in filter	ALC-SH181 hood, ALC-F105S front cap, ALC-R1EM rear cap and lens strap; no case listed by Sony Japan
Release detail
Release detail	Sony UK announced on 13 May 2026 with June 2026 availability and an approximate £4400 list price; first-sale precision remains the month. SEL100400MC is the constant-F4.5 model, distinct from the earlier variable-aperture SEL100400GM	Sony UK announced on 26 February 2025 with March 2025 availability and an approximate £2,550 list price; first-sale precision remains the month