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Sony FE 400mm F4.5 GM OSS Lens
Just launched!
Product Code: 7240602E
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The Sony FE 400mm F4.5 GM OSS Lens is the world's lightest in its class at just 994g, bringing G Master resolution, high-speed XD Linear Motor autofocus and professional handling to a remarkably portable super-telephoto prime.
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Order today to secure first available stock, First deliveries Late September.
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We Love
- Opens up serious super-telephoto prime photography without the typical size or price barrier
- Light enough to become an everyday option, rather than reserved for dedicated trips
- Bridges the gap between the flexibility of a zoom and a heavier professional prime
- A compelling balance of reach and brightness for wildlife, birds, sport and action
- G Master quality in a form that makes handheld shooting far more approachable
Key Features
- Remarkably lightweight
- G Master optics with Super ED and ED glass for outstanding clarity and detail
- Beautiful bokeh with an 11-blade circular aperture
- High-thrust XD Linear Motors for exceptionally responsive AF
- Tracks at up to 120fps with the α9 III
- Optical SteadyShot for confident handheld shooting
- Professional controls for fast, intuitive operation
- Teleconverter compatible for up to 800mm reach
*Excludes tripod foot.
Product Overview
A new generation of super-telephoto photography begins with a combination that would once have seemed improbable. This 400mm f/4.5 G Master fits serious reach into a body light enough to carry all day, without giving up the optical quality or responsive AF expected at this level.
That makes it a natural fit across the range, from an A7 V through to the high-speed A9 III. Birds in flight, wildlife across open ground, fast-moving sport: a bright aperture, Optical SteadyShot and exceptionally low weight put all three comfortably within reach handheld.
Extensive physical controls support quick adjustments in the field, and a dust and moisture-resistant build is ready for demanding conditions. Compatibility with 1.4x and 2.0x teleconverters stretches that reach further still, to 560mm or 800mm when the subject calls for it.
In More Detail
Where does it fit in the range?
Sony now offers several routes to longer reach, so the right choice comes down to how you shoot rather than which is 'best'. The 100-400mm f/4.5 GM provides zoom flexibility at a constant aperture, while this fixed 400mm trades that flexibility for a far lighter prime. The smaller 100-400mm f/5.6-8 goes further on portability still, but with a narrower maximum aperture and without the GM designation.
For low light, the FE 400mm F2.8 GM OSS is the specialist choice, gathering more light and giving greater scope for subject separation. At 2,895g it weighs almost three times as much as this f/4.5 model, making the newcomer considerably more practical for long sessions on foot.
The 600mm f/6.3 GM takes the opposite trade-off, exchanging aperture for another 200mm of native reach at a similarly low weight. It's particularly compelling for distant or small birds, while this model offers a broader balance of reach, brightness and handling across a wider range of subjects.
Unprecedented portability
At just 108 x 242mm and 994g excluding the tripod foot, this is a remarkably compact way to carry serious glass. The low weight makes quick changes of direction easier when tracking unpredictable movement, and takes the strain out of a full day in the field.
G Master detail from centre to edge
Three Super ED and one ED element sit within a 22-element, 16-group design, suppressing colour fringing while keeping the lens light. MTF data shows strong contrast and detail holding well towards the edges of the frame, genuinely impressive given the size.
Nano AR Coating II keeps flare and ghosting under control in backlit scenes, while an 11-blade circular diaphragm and carefully optimised spherical aberration deliver smooth, rounded bokeh to match the sharpness.
Autofocus engineered for extreme speed
Two high-thrust XD Linear Motors drive each focusing group for rapid, precise and quiet tracking, supporting continuous shooting at up to 120fps and following moving subjects during 4K/120p recording. Internal focusing keeps everything contained within the barrel, so nothing shifts or extends as it hunts.
Three-mode Optical SteadyShot
Mode 1 handles general camera shake, Mode 2 supports panning, Mode 3 minimises framing disturbance when tracking fast, erratic movement. Compatible E-mount camera bodies can coordinate their own stabilisation with OSS, with Active and Dynamic Active modes also available for video on supported combinations.
Controls for pro workflows
Four customisable focus-hold buttons provide access from different orientations, alongside focusing and assignable function rings. Dedicated AF/MF, Full-time DMF and SteadyShot controls join a FULL/∞-7m limiter, which prevents unnecessary hunting at closer distances. A tripod collar, removable foot and 95mm filter thread round out the setup.
Extend as far as 560mm or 800mm
Add a 1.4x TC for 560mm f/6.3 or the 2.0x for 800mm f/9, tighter framing for smaller or more distant subjects without carrying another large prime.
Protection for demanding environments
Sealed seams, silicone-rubber gaskets around buttons and switches, and a rubber ring at the mount provide dust and moisture resistance, though complete protection isn't guaranteed. A fluorine coating on the front element repels water, oil and contaminants, making fingerprints and debris easier to wipe off.
Not sure which is right for you? Read our Sony super-telephoto lens buying guide to compare primes and G Master zooms.
Lifestyle and sample images
Frequently Asked Questions
Is this better than a 100-400mm zoom?
Depends how you shoot. A zoom gives more framing flexibility as distances change; this prime trades that for a brighter f/4.5 at 400mm in a far more portable package. The fixed focal length wins out when handheld comfort matters more than zoom convenience.
Do I need an A1 or A9 III to use it?
No, it pairs with compatible E-mount bodies, A7-series included. Higher-end models simply unlock extra autofocus and continuous shooting performance on top.
Is it weather resistant?
Yes. Sealed seams, gaskets at the buttons and switches, and a rubber ring at the mount resist dust and moisture, though complete protection isn’t guaranteed, so normal care still applies in tough conditions.
What size filters does it take?
A 95mm front thread accepts standard screw-in filters.
Should I choose 400mm f/4.5 or 600mm f/6.3 for bird photography?
The longer lens helps most with small or distant birds where filling the frame matters. The shorter option trades some reach for a brighter aperture and wider field of view, easier for tracking movement and framing larger or closer subjects.
Specifications
|
Mount |
|
|
Format |
35mm full frame |
|
Focal length (mm) |
400 |
|
APS-C equivalent focal length |
600mm |
|
Groups / elements |
16-22 |
|
Special optical elements |
3 Super ED, 1 ED |
|
Maximum aperture (f) |
4.5 |
|
Minimum aperture (f) |
32 |
|
Aperture blades |
11 |
|
Circular aperture |
Yes |
|
Minimum focusing distance |
2.5m |
|
Maximum magnification |
0.18x |
|
Filter diameter |
95mm, non-rotating |
|
Focusing |
Internal focusing |
|
Focus drive |
XD Linear Motor |
|
Linear Response MF |
Yes |
|
Focus range limiter |
FULL / ∞-7m |
|
Image stabilisation (SteadyShot) |
Optical SteadyShot |
|
SteadyShot modes |
Mode 1 / Mode 2 / Mode 3 |
|
Teleconverter compatibility |
SEL14TC + SEL20TC |
|
Dimensions (D x L) |
108 x 242mm |
|
Weight |
994g excluding tripod foot |
|
Focus hold buttons |
4, customisable |
|
Function ring |
Yes, customisable |
|
Full-time DMF |
Yes |
|
AF/MF switch |
Yes |
|
Tripod collar ring |
Yes |
|
Tripod foot |
Removable |
|
Dust and moisture-resistant design |
Yes* |
|
Front element coating |
Fluorine |
|
Anti-reflective coating |
Nano AR Coating II |
What's in the Box
- Sony FE 400mm F4.5 GM OSS Lens
- ALC-SH189 hood
- ALC-F95S front cap
- ALC-R1EM rear cap
- Tripod mount
| Offers: Free Gift |
| Offer Category: N/A |
| Offer Product Type: N/A |
| Autofocus: N/A |
| Aperture ring: N/A |
| Constant Aperture: N/A |
| Lens CIPA Image stabilization rating: N/A |
| Colour: N/A |
| Diameter (mm): N/A |
| Length (mm): N/A |
| Weight (g): N/A |
| Distance scale: N/A |
| DoF scale: N/A |
| Elements: N/A |
| Environmental Sealing: N/A |
| Focus distance limiter: N/A |
| Focal length: N/A |
| Focus method: N/A |
| Filter Thread: N/A |
| Full time manual: N/A |
| Groups: N/A |
| Hood supplied: N/A |
| Lens Image stabilization: N/A |
| Lens mount: N/A |
| Lens Materials: N/A |
| Maximum focal length: N/A |
| Maximum magnification: N/A |
| Maximum aperture (number): N/A |
| Maximum aperture (text): N/A |
| Max Format size: N/A |
| Minimum focal length: N/A |
| Lens Minimum focus distance (m): N/A |
| Minimum aperture (number): N/A |
| Minimum aperture (text): N/A |
| Motor type: N/A |
| Number of diaphragm blades: N/A |
| Power zoom: N/A |
| Special elements / coatings: N/A |
| Tripod collar: N/A |
| Lens type: N/A |
| Wide/Tele: N/A |
| Level: N/A |
| Year Of Release: N/A |
| Best For: N/A |
| Best For Holiday and Landscape: N/A |
| Best For Interior and Architecture: N/A |
| Best For Fashion and Portrait: N/A |
| Best For Macro and Still Life: N/A |
| Best For Astro: N/A |
| Best For Street: N/A |
| Best For Wildlife and Sport: N/A |
| Zoom lock: N/A |
| Zoom method: N/A |
| Notes: N/A |
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Representative example:
Buy a £1,200.00 camera and pay a 10% deposit of £120. You'll borrow £1,080 over 24 months with an annual interest rate of 14.9% (fixed) with a first payment of £52.04 followed by 23 monthly repayments of £51.83. The total amount payable will be £1,244.13 14.9% APR Representative.
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Check your eligibility
To be considered for finance, you will need to meet all of the following criteria:
- Are at least 18 years old
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Condition guide
Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.
- Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging and accessories. The product has been fully tested and is in perfect working order. Lenses are optically clear. There may be light dust present that will not effect the imagery.
- Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
- Cameras – Should have no marks on the LCD screen
- Lenses – Should have no marks on the elements and optically clear. There may be light dust present that will not effect the imagery.
- Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes with only light signs of use and the product has been fully tested and is in great working order.
- Cameras – The LCD screen may have small signs of wear that does not affect its display
- Lenses – The mount of the lens will start to show signs of wear
- Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
- Cameras – LCD screen may have scratches or wear that is starting to affect the display.
- Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
- Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
- Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
- Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.
*All of our used items are listed with the accessories that are included. If they are not listed, then they will not be supplied at the point of purchase.
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