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Sony SEL40F25G FE 40mm f/2.5 G Full-Frame Ultra-Compact G Lens

  • mfr: SEL40F25G
  • SKU: SEL40F25G
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Product highlights

  • Focal length: 40mm
  • Aperture range: f/2.5-22
  • Sony E-mount lens
  • Full-frame and APS-C format
  • Internal focusing
  • Aspherical lens elements for corner-to-corner sharpness
  • Dual linear focus motors for fast quiet AF tracking
  • Instant auto/manual focus selection
  • Seven-blade circular diaphragm
  • Programmable focus hold button

Sony SEL40F25G FE 40mm f/2.5 G Full-Frame Ultra-Compact G Lens

The Sony FE 40mm f/2.5 G lens has clear advantages for both photographers and moviemakers. With a wide 40mm angle of view on full-frame bodies and 60mm on APS-C bodies or super 35mm cameras. Packed with features like dual linear motors for fast, precise autofocus and tracking, a bright f/2.5 maximum aperture for beautifully defocused background bokeh, excellent close-up performance, this lens has an ultra-compact and lightweight design making t ideal for all types of content creators.

High-Resolution Performance

The inclusion of three aspherical lens elements compensates for various aberrations and result in high-resolution performance from corner to corner of the image, even from the widest aperture with shallow depth of field. Additionally, the f/2.5 aperture has the maximum light gathering capability during low-light situations and also provides a shallow depth of field. It also delivers beautiful natural bokeh effect with minimal spherical aberration.

Impressive Results

The incorporation of a 7-blade circular aperture allows for round defocused light sources.  This mechanism maximizes the beauty of this large-aperture prime-lens while the wide f/2.5 aperture and circular aperture blades contribute to impressive images in which the subject stands out against a smoothly defocused foreground and background. Additionally, featuring a wide 40mm angle of view contributes in getting a unique perspective through close-up, wide angle shooting.

Dual Linear Motors and Linear Response MF

The Linear Response MF (manual focus) ensures that the focus ring responds directly and linearly to subtle control when focusing manually. The focus ring rotation translates directly to a corresponding change in focus, so control feels immediate and precise in both still and movie modes. The FE 40mm f/2.5 Lens is equipped with two linear motors for fast, precise autofocus tracking allowing you to take full advantage of the continuing rapid advances in the speed and performance of newer camera bodies. Despite instantaneous changes in subject motion, this lens delivers excellent tracking performance making it ideal for situations require tracking a moving subject.

Dust and Moisture Resistant

Designed with adventurers in mind, this ultra-compact FE 40mm f/2.5 G employs dust and moisture resistant design that makes it appropriate for outdoor use, especially when combined with a camera that employs weather-resistant measures.

Additional Features

The lens features a programmable focus-hold button for multiple custom functions. This button performs the traditional function to lock focus when recomposing and can also be customized to a number of other functions depending on your needs. You can also instantly and quickly switch between auto and manual focus, thanks to the AF/MF switch on the side of the lens. This makes operation faster and easier as you let the camera and lens focus for you or decide to take control and manually focus on the precise point you choose. Additionally, the responsive manual aperture ring offers positive action that will satisfy photographers and moviemakers alike. 

Specifications

Physical
Weight 6.2 oz (173 g)
Color Black
Mount
Lens Mount Sony E-Mount
Focus
Maximum Aperture f/2.5
Minimum Aperture f/22
Focal Length 40mm
Maximum Magnification 0.2 x (AF), 0.23 x (MF)
Angle of view 57°
Minimum Focus Distance 0.92 ft (AF), 0.82 ft (MF) (0.28 m [AF], 0.25 m [MF])
Focus Type Auto and Manual Focus
Image Stabilization Yes
Diaphragm Blades 7
Fixed Focal Length 40mm
Lens Format Full Frame Sensors
Lens Type Prime Lens

Questions

Customer Questions
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Returns

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges. 
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact [email protected] with your order number and a description of the damage. 
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at [email protected], or send us a message here.  
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead. 
If you ordered a kit, you must return all components and accessories to receive a full refund. 
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund. 
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900. 
Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping and Returns

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

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Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Ratings and reviews

Sony SEL40F25G FE 40mm f/2.5 G Full-Frame Ultra-Compact G Lens

Sony SEL40F25G FE 40mm f/2.5 G Full-Frame Ultra-Compact G Lens SKU: SEL40F25G

Rated 5 out of 5 by from Best color for a plein aire painter I'm using an Alpha 7c for its full frame and raw format. I generally paint images within a 100 feet and I'm tried of taking photos that average the color I see. With the programing in the Alpha 7c and this lens, I can capture those variations and highlights that make my paintings without a lot of notes. Lens with a lot of glass and optics don't.
Date published: 2023-10-26
Rated 4 out of 5 by from Awesome lens for when size matters [This review was collected as part of a promotion.] Build Quality: The SEL40F25G is an objectively well-built lens. The body is made out of aluminum and feels nice in the hand. The aperture ring clicks into place nicely and the focus ring is buttery smooth. For the size, it’s well put together, premium feeling lens. Performance: The SEL40F25G is a very quick lens. The autofocus is quick and works very quietly. Bokeh is nice and creamy as well. I do wish it were a bit faster, but understand that some compromises need to be made to make the lens as compact as it is. Compared to some of the Zeiss Batis primes and GM zooms I have, I do still prefer the images coming out of those lenses, but they also cost considerably more. Size: I got an a7c for the days where my a9 + GM lenses are just too heavy to lug around. The SEL40F25G is a perfect complement for the a7c. It’s a smidge taller than the a7c’s kit lens and much shorter than my 50 f/1.8. This keeps everything nice and compact while still capturing shots with excellent quality. Overall, the SEL40F25G is a great lens. There are similar lenses that are faster, smaller, or cheaper, but the SEL40F25G strikes a nice balance between build quality, speed, and size that is hard to match in the market. So why not 5 stars? It comes down to price. I understand that there is a lot of engineering that goes into making something this good and this small, but it's a pricey proposition. *Disclaimer: I received this product at a discounted price in exchange for my honest opinion
Date published: 2021-09-08
Rated 5 out of 5 by from Sony FE 40mm F2.5 G Full-frame ultra-com [This review was collected as part of a promotion.] Bought this lens for a quick lightweight prime lens. Super light and compact. 40mm is an amazing focal length too, not too wide, not too narrow. I was able to get decent landscapes and great portraits. The color and clarity of its pictures is spot on. Being able to manually set the aperture is a definite plus. The Bokeh is unreal. I see this being my go to lens for my landscape photography. The aperture ring is solid. It’s not going to move around accidentally. Auto focus is superb. Excellent walk-around lens. ** Used with a Sony a7iii mostly portrait and some landscape shots. ***disclaimer that I received this product at a discounted price in exchange for my honest opinion***
Date published: 2021-09-04
Rated 5 out of 5 by from Perfect Street Photography Lens Great lens! It pairs perfectly with my Sony a7c to make the perfect street photography setup!
Date published: 2021-07-26
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