Sony G SEL40F25G 40mm
Combining a 40mm focal length with a featherlight 173g build, this full-frame prime delivers G-series sharpness through three aspherical elements and one ED element. Its dust and moisture-resistant construction and de-clickable aperture ring offer tactile, professional-grade control in a package small enough for any bag. This lens is best for travel and street photographers who prioritize a discreet, all-day carry with a natural field of view.
Focal length 40mm
Aperture f/22
Mount Sony E
Weather Sealed Yes
Weight 173 g
af type Autofocus
lens type prime
57 Overall Score
Price €930
Snapshot
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
85/100Our AI sentiment read
Based on 63 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 40 |
| Focal Length Max | 40 |
| Elements | 9 |
| Groups | 9 |
| Aspherical Elements | 3 |
| ED Elements | 1 |
| Coating | Fluorine coating |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/2.5 |
| Constant | Yes |
| Diaphragm Blades | 7 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.2 kg / 0.4 lbs |
| Filter Thread | 49 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 250 |
| Max Magnification | 0.23x |
vs Competition
| Spec | Sony G SEL40F25G 40mm | Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic LUMIX G X VARIO II H-HSA12035 | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|---|---|---|---|
| Focal Length | 40mm | 18-50mm | 17-70mm | 17-28mm | 12-35mm | 28-70mm |
| Max Aperture | f/22 | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/22 |
| Mount | Sony E | Sony E | Sony E | Nikon Z | Micro Four Thirds | Canon RF |
| Stabilization | false | false | true | false | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 173 | 290 | 544 | 450 | 306 | 495 |
| AF Type | Autofocus | stepping motor | RXD | Stepping Motor | Linear motor | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Sony G SEL40F25G 40mm | 53.6 | 13.1 | 96 | 44.1 | 71.7 | 20 | 63.5 | 33.7 | 93 | 36.7 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.2 | 81.3 | 86.6 | 90.8 | 82.6 | 83.5 | 80.8 | 78.6 | 89.4 | 36.7 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.6 | 86.6 | 69.6 | 84.9 | 91.1 | 83.5 | 63.5 | 89.5 | 85 | 82.4 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.2 | 86.6 | 76.1 | 84.9 | 88.5 | 83.5 | 91.3 | 68.2 | 69.4 | 36.7 |
| Panasonic LUMIX G X VARIO II H-HSA12035 Compare | 98.1 | 81.3 | 86 | 67.3 | 86.8 | 83.5 | 63.5 | 80.5 | 12.9 | 96.9 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87.2 | 22.8 | 72.8 | 79.3 | 86.8 | 20 | 98.2 | 77.5 | 89.4 | 98.6 |
Price
Value & Pricing
From €930
Amazon.es 1 offer From €930
We started tracking prices for this product on Jul 18, 2026. The chart appears once we have more data.
