80 Sony FE 40mm f2.5 G Lens
The Sony FE 40mm f/2.5 G is part of Sony’s "Compact Trio" (alongside the 24mm and 50mm G primes). It is designed for creators who want the premium build and optical performance of the G-series in an ultra-portable "pancake-style" form factor.
| Feature | Specification |
| Focal Length | 40mm (60mm equivalent on APS-C) |
| Aperture | $f/2.5$ to $f/22$ (7-blade rounded diaphragm) |
| Autofocus | Dual XD Linear Motors (Instant and silent) |
| Min. Focus | 0.28m (AF) / 0.25m (MF) |
| Weight | 173g (Incredibly light) |
| Filter Size | 49mm |
| Build | Aluminum exterior, Dust & Moisture resistant |
Viltrox AF 40mm f2.5 FE Lens (Sony E)
The Viltrox AF 40mm f/2.5 FE is a part of Viltrox's "Air" series, designed as an ultra-lightweight and budget-friendly prime lens for full-frame Sony E-mount cameras. It offers a unique "natural" focal length that sits right between a wide 35mm and a standard 50mm, making it a favorite for street photography and daily carry.
| Feature | Details |
| Focal Length | 40mm |
| Aperture Range | f/2.5 – f/16 |
| Lens Mount | Sony E (Full-Frame) |
| Optical Design | 10 Elements in 6 Groups (1 ED, 3 HR, 1 Aspherical) |
| Aperture Blades | 7 (rounded) |
| Minimum Focus | 0.34m (1.1 ft) |
| Focus Motor | STM + Lead Screw |
| Filter Thread | 52mm |
| Weight | Approx. 167g (Ultra-lightweight) |
