Sony FE 40mm F2.5 G Prime G Lens Review

The Sony FE 40mm F2.5 G Prime G Lens is a flexible lens that was developed for use with full-frame E-mount cameras manufactured by Sony. Photographers who are looking for a high-performance lens that can be used in a variety of shooting circumstances will find it to be a practical alternative thanks to its compact and lightweight construction.

The lens has a focal length that cannot be changed, and it is set at 40 millimeters; this makes it suitable for a wide variety of applications, including street photography, portraits, and ordinary photos. This lens guarantees great image quality, dependable autofocus performance, and a variety of additional features that enhance your shooting experience. Regardless matter whether you are a professional or an enthusiast, you will benefit from using this lens. Let’s get down and dirty with the specifics to investigate what it is about the Sony FE 40mm F2.5 G Prime G Lens that makes it such a great option for photographers.

$598.00 7 used from $530.00 6 new from $598.00
in stock
Sony FE 40mm F2.5 G Full-Frame Ultra-Compact G Lens

Key Specs

  • Focal Length: 40mm
  • Maximum Aperture: f/2.5
  • Format: 35mm full frame
  • Lens Groups/Elements: 9-9
  • Maximum Magnification Ratio: 0.2x (AF), 0.23x (MF)
  • Minimum Aperture: f/22
  • Mount: Sony E-mount
  • The angle of View (35mm): 57 degrees
  • Aperture Blades: 7
  • Circular Aperture: Yes
  • Filter Diameter: 49mm
  • Hood Type: Cap type
  • Image Stabilization: Not available (body-integrated)
  • Minimum Focus Distance: 0.92 ft (AF), 0.82 ft (MF) (0.28m [AF], 0.25m [MF])
  • Teleconverter Compatibility (x1.4): Not compatible
  • Teleconverter Compatibility (x2.0): Not compatible
  • Weight: 6.2 oz (173g)
  • Dimensions (D x L): 2.75 x 1.816 in (68 x 45mm)


The Sony FE 40mm F2.5 G Prime G Lens delivers an outstanding performance, which cannot be understated in any way. Its brilliant maximum aperture of f/2.5 enables exceptional performance in low-light conditions and gives photographers enhanced control over the amount of depth of field in their photographs.

The lens utilizes cutting-edge optics, such as aspherical elements and Extra-low Dispersion (ED) glass, in order to produce a picture of exceptional quality while simultaneously reducing the amount of chromatic aberration, color fringing, and distortion. Even when shooting with the aperture wide open, the lens creates images that are clear and detailed throughout the whole frame.

Autofocus System

The autofocus technology of the Sony FE 40mm F2.5 G Prime G Lens is lightning-quick, pinpoint accurate, and completely dependable. It makes use of a linear motor to provide rapid and accurate focusing, so assuring that you will have no trouble capturing those fleeting important moments.

In addition to this, the lens is compatible with Sony’s Real-time Eye AF and Real-time Tracking technologies, both of which offer superior subject identification and tracking capabilities. The focusing feature of this lens provides a performance that is consistent and reliable, regardless of whether you are capturing people or subjects that are moving quickly.

Vibration Reduction

When shooting handheld or in low-light circumstances with the Sony FE 40mm F2.5 G Prime G Lens, you can take use of the built-in Optical SteadyShot image stabilization, which helps to reduce the amount of blur caused by camera shake.

Without the use of a tripod, you will be able to take photos that are more crisp even when the shutter speed is slower, thanks to this function. Because it has image stabilization, this lens will prevent blurring and shaking in your photographs and video recordings. You may use it for either still photography or video recording.

Build Quality

The Sony FE 40mm F2.5 G Prime G Lens has a great build quality, with a sturdy design that is able to resist the rigorous use that is required in a professional setting. It is constructed with a long-lasting metal lens barrel that has a sturdy feel in hand and exudes a feeling of trustworthiness and confidence.

Because of its resistance to dust and moisture, the lens may be used for photography in a variety of environments and climatic situations. In addition, it incorporates a ring for manual focusing that is both accurate and easy to use, making it possible to do easy and natural manual focusing whenever it is required.

Handling and Ergonomics

Ergonomics were a primary consideration in the development of the Sony FE 40mm F2.5 G Prime G Lens, which results in a more pleasant experience for the photographer. It’s small size and low weight make it extremely portable, and it maintains a good balance when used with full-frame E-mount cameras manufactured by Sony.

You can quickly access settings that you use regularly thanks to the lens’s focus hold button, which can be programmed to perform a variety of activities according to your preferences. Additionally, the aperture ring does not have any clicks, which enables smooth and silent changes. This feature is very helpful while shooting videos.

Image Stabilization

The Optical SteadyShot image stabilization that is integrated into the Sony FE 40mm F2.5 G Prime G Lens is quite good at decreasing the amount of camera shaking that occurs. It enables you to take photographs with slower shutter speeds without reducing the quality of the images.

Your still photographs and videos will maintain their clarity and steadiness thanks to the image stabilization feature, which works regardless of whether you are taking handheld pictures in low light or recording video while moving.

Shooting Experience

For photographers, working with the Sony FE 40mm F2.5 G Prime G Lens is a really enjoyable experience. Because of its extremely adaptable focal length of 40 millimeters, which gives a natural field of vision that nearly reflects the field of view seen by the human eye, this lens is perfect for everyday photography.

Because the lens provides a constant and reliable performance in terms of autofocus speed and accuracy, you are free to concentrate on capturing the moment instead of worrying about focusing the camera. The shooting experience is enhanced by the fluidity and precision of the manual focus control, which provides you with the ability to fine-tune focus whenever you so wish.

Image Quality

Image quality is a priority for the Sony FE 40mm F2.5 G Prime G Lens, which was developed to meet those demands. Its cutting-edge optics, which include aspherical elements and Extra-low Dispersion (ED) glass, help to reduce aberrations while simultaneously boosting picture sharpness and clarity to their utmost potential. Images created by the lens include true colors, superior contrast, and very little distortion.

The lens maintains a remarkable level of clarity over the entirety of the frame, even when used at its maximum aperture setting of f/2.5. The image quality that is produced by this lens as a whole is simply outstanding.

Teleconverter Compatibility

The adaptability and range of the Sony FE 40mm F2.5 G Prime G Lens may be expanded with the use of Sony’s teleconverters, which are compatible with the lens. You are able to expand the focal length of the lens by using the teleconverters, which essentially transform the lens into a longer lens that is better suited for shooting subjects that are further away.

Because of its adaptability, you are able to adjust the lens to various shooting settings, which makes it a versatile alternative that can be used to fulfill a broad variety of photographic requirements.

Comparison with Competitors

The Sony FE 40mm F2.5 G Prime G Lens distinguishes out from its rivals due to its exceptional mix of compactness, picture quality, and performance. This makes it one of the most desirable lenses in its class.

The Sony 40mm lens finds a compromise by delivering a compact form factor while keeping a brilliant f/2.5 aperture, in contrast to its most direct competitors, which often make size and weight sacrifices in order to achieve wider maximum apertures. Because of this, it is a lens that is quite portable and can be simply carried about for photographing in everyday situations.


35 mm equivalent focal length (APS-C)60
Angle of View (APS-C)39 degrees
Focal Length (mm)40
Format35 mm full frame
Lens Groups / Elements9-9
Maximum Magnification ratio (x)0.2 (AF), 0.23 (MF)
Maximum Aperture (F)2.5
Minimum Aperture (F)22
MountSony E-mount
Angle of View (35 mm)57 degrees
Aperture Blades7
Circular ApertureYes
Filter Diameter (mm)49
Hood TypeCap type
Image stabilization (SteadyShot)Not available (body-integrated)
Minimum Focus Distance0.92 ft (AF), 0.82 ft (MF) (0.28 m [AF], 0.25 m [MF])
Teleconverter compatibility (x1.4)
Teleconverter compatibility (x2.0)
Size & Weight
Weight6.2 oz (173 g)
Dimensions (D x L)2.75 x 1.816 in (68 x 45 mm)
At a Glance
Focal Length40mm
Max. Aperturef/2.5
Size and Weight2.75 x 1.816 in. / 6.2 oz.

Pros and Cons

Photographers can benefit from using the Sony FE 40mm F2.5 G Prime G Lens in a number of different ways. Because of its small size and low weight, it is extremely portable, making it an excellent choice for photographers who are constantly on the move. Because of the lens’s cutting-edge optics, it can produce a picture that is of exceptionally high quality, retaining its sharpness and clarity throughout the frame.

Because the focusing technology is both quick and precise, you will be able to take clear pictures even of things that are moving. The in-camera image stabilization works to mitigate the effects of camera shake, making it possible to shoot handheld, even in low-light environments. Additionally, the lens is able to work with teleconverters, which significantly broadens its application scope.

Price and Availability

The pricing of the Sony FE 40mm F2.5 G Prime G Lens is quite reasonable, making it a fantastic bargain when considering both its performance and its features.

It may be purchased through authorized merchants of Sony products both in-store and online. Photographers with full-frame Sony E-mount cameras who are interested in purchasing a prime lens that is both small and adaptable frequently go with this particular lens.

$598.00 7 used from $530.00 6 new from $598.00
in stock
Sony FE 40mm F2.5 G Full-Frame Ultra-Compact G Lens


To sum things up, the Sony FE 40mm F2.5 G Prime G Lens is a high-quality lens that packs exceptional performance, build quality, and picture quality into a package that is both compact and lightweight. This lens is a terrific option for everyone, whether you’re a professional photographer searching for a flexible lens or a photography hobbyist who places a high emphasis on mobility as well as image quality.

It offers an exceptional shooting experience across a wide range of photographic subgenres because to its large aperture, dependable autofocus, and image stabilization features. Photographers who want to take breathtaking pictures with their Sony full-frame E-mount cameras can go no further than the Sony FE 40mm F2.5 G Prime G Lens. It is, without a doubt, an outstanding option in this category.

Sony FE 40mm F2.5 G Prime G Lens FAQs

Q. Is the Sony FE 40mm F2.5 G Prime G Lens compatible with Sony E-mount cameras?
A. Yes, the Sony FE 40mm F2.5 G Prime G Lens is specifically designed for Sony’s E-mount cameras, including full-frame models.
Q. Does the lens have image stabilization?
A. No, the Sony FE 40mm F2.5 G Prime G Lens does not have built-in optical image stabilization. However, it can leverage the image stabilization capabilities of compatible Sony camera bodies if available.
Q. What is the maximum aperture of the lens?
A. The Sony FE 40mm F2.5 G Prime G Lens has a maximum aperture of f/2.5, allowing for good low-light performance and depth of field control.
Q. Does the lens support autofocus?
A. Yes, the Sony FE 40mm F2.5 G Prime G Lens features autofocus capabilities. It utilizes a linear motor for fast and accurate focusing, making it suitable for capturing both still images and videos.
Q. What is the minimum focus distance of the lens?
A. The minimum focus distance of the Sony FE 40mm F2.5 G Prime G Lens is approximately 0.92 feet (0.28 meters) when using autofocus and 0.82 feet (0.25 meters) in manual focus mode. This allows you to get close to your subjects for detailed close-up shots.


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